diff options
Diffstat (limited to 'src/test/ui/associated-types')
330 files changed, 0 insertions, 10311 deletions
diff --git a/src/test/ui/associated-types/associate-type-bound-normalization.rs b/src/test/ui/associated-types/associate-type-bound-normalization.rs deleted file mode 100644 index db092970f..000000000 --- a/src/test/ui/associated-types/associate-type-bound-normalization.rs +++ /dev/null @@ -1,25 +0,0 @@ -// Make sure that we normalize bounds on associated types before checking them -// as candidates. - -// check-pass - -trait Mul<T> { - type Output; -} - -trait Matrix: Mul<<Self as Matrix>::Row, Output = ()> { - type Row; - - type Transpose: Matrix<Row = Self::Row>; -} - -fn is_mul<S, T: Mul<S, Output = ()>>() {} - -fn f<T: Matrix>() { - // The unnormalized bound on `T::Transpose` is - // `Mul<<T::Transpose as Matrix>::Row` which has to be normalized to be - // equal to `T::Row`. - is_mul::<T::Row, T::Transpose>(); -} - -fn main() {} diff --git a/src/test/ui/associated-types/associated-item-long-paths.rs b/src/test/ui/associated-types/associated-item-long-paths.rs deleted file mode 100644 index aad8c487c..000000000 --- a/src/test/ui/associated-types/associated-item-long-paths.rs +++ /dev/null @@ -1,47 +0,0 @@ -// run-pass - -use std::mem::size_of; - -// The main point of this test is to ensure that we can parse and resolve -// associated items on associated types. - -trait Foo { - type U; -} - -trait Bar { - // Note 1: Chains of associated items in a path won't type-check. - // Note 2: Associated consts can't depend on type parameters or `Self`, - // which are the only types that an associated type can be referenced on for - // now, so we can only test methods. - fn method() -> u32; - fn generic_method<T>() -> usize; -} - -struct MyFoo; -struct MyBar; - -impl Foo for MyFoo { - type U = MyBar; -} - -impl Bar for MyBar { - fn method() -> u32 { - 2u32 - } - fn generic_method<T>() -> usize { - size_of::<T>() - } -} - -fn foo<T>() - where T: Foo, - T::U: Bar, -{ - assert_eq!(2u32, <T as Foo>::U::method()); - assert_eq!(8usize, <T as Foo>::U::generic_method::<f64>()); -} - -fn main() { - foo::<MyFoo>(); -} diff --git a/src/test/ui/associated-types/associated-type-destructuring-assignment.rs b/src/test/ui/associated-types/associated-type-destructuring-assignment.rs deleted file mode 100644 index f038c9ce7..000000000 --- a/src/test/ui/associated-types/associated-type-destructuring-assignment.rs +++ /dev/null @@ -1,10 +0,0 @@ -// check-pass - -#![feature(more_qualified_paths)] - -enum E { V() } - -fn main() { - <E>::V() = E::V(); // OK, destructuring assignment - <E>::V {} = E::V(); // OK, destructuring assignment -} diff --git a/src/test/ui/associated-types/associated-type-macro.rs b/src/test/ui/associated-types/associated-type-macro.rs deleted file mode 100644 index 22b5bca40..000000000 --- a/src/test/ui/associated-types/associated-type-macro.rs +++ /dev/null @@ -1,4 +0,0 @@ -fn main() { - #[cfg(FALSE)] - <() as module>::mac!(); //~ ERROR macros cannot use qualified paths -} diff --git a/src/test/ui/associated-types/associated-type-macro.stderr b/src/test/ui/associated-types/associated-type-macro.stderr deleted file mode 100644 index 6a4cf99c4..000000000 --- a/src/test/ui/associated-types/associated-type-macro.stderr +++ /dev/null @@ -1,8 +0,0 @@ -error: macros cannot use qualified paths - --> $DIR/associated-type-macro.rs:3:5 - | -LL | <() as module>::mac!(); - | ^^^^^^^^^^^^^^^^^^^ - -error: aborting due to previous error - diff --git a/src/test/ui/associated-types/associated-type-projection-ambig-between-bound-and-where-clause.rs b/src/test/ui/associated-types/associated-type-projection-ambig-between-bound-and-where-clause.rs deleted file mode 100644 index c85d41c7f..000000000 --- a/src/test/ui/associated-types/associated-type-projection-ambig-between-bound-and-where-clause.rs +++ /dev/null @@ -1,42 +0,0 @@ -// Test equality constraints in a where clause where the type being -// equated appears in a supertrait. - -pub trait Vehicle { - type Color; - - fn go(&self) { } -} - -pub trait Box { - type Color; - - fn mail(&self) { } -} - -fn a<C:Vehicle+Box>(_: C::Color) { - //~^ ERROR ambiguous associated type `Color` in bounds of `C` -} - -fn b<C>(_: C::Color) where C : Vehicle+Box { - //~^ ERROR ambiguous associated type `Color` in bounds of `C` -} - -fn c<C>(_: C::Color) where C : Vehicle, C : Box { - //~^ ERROR ambiguous associated type `Color` in bounds of `C` -} - -struct D<X>; -impl<X> D<X> where X : Vehicle { - fn d(&self, _: X::Color) where X : Box { } - //~^ ERROR ambiguous associated type `Color` in bounds of `X` -} - -trait E<X:Vehicle> { - fn e(&self, _: X::Color) where X : Box; - //~^ ERROR ambiguous associated type `Color` in bounds of `X` - - fn f(&self, _: X::Color) where X : Box { } - //~^ ERROR ambiguous associated type `Color` in bounds of `X` -} - -pub fn main() { } diff --git a/src/test/ui/associated-types/associated-type-projection-ambig-between-bound-and-where-clause.stderr b/src/test/ui/associated-types/associated-type-projection-ambig-between-bound-and-where-clause.stderr deleted file mode 100644 index 236552baf..000000000 --- a/src/test/ui/associated-types/associated-type-projection-ambig-between-bound-and-where-clause.stderr +++ /dev/null @@ -1,129 +0,0 @@ -error[E0221]: ambiguous associated type `Color` in bounds of `C` - --> $DIR/associated-type-projection-ambig-between-bound-and-where-clause.rs:16:24 - | -LL | type Color; - | ---------- ambiguous `Color` from `Vehicle` -... -LL | type Color; - | ---------- ambiguous `Color` from `Box` -... -LL | fn a<C:Vehicle+Box>(_: C::Color) { - | ^^^^^^^^ ambiguous associated type `Color` - | -help: use fully qualified syntax to disambiguate - | -LL | fn a<C:Vehicle+Box>(_: <C as Box>::Color) { - | ~~~~~~~~~~~~ -help: use fully qualified syntax to disambiguate - | -LL | fn a<C:Vehicle+Box>(_: <C as Vehicle>::Color) { - | ~~~~~~~~~~~~~~~~ - -error[E0221]: ambiguous associated type `Color` in bounds of `C` - --> $DIR/associated-type-projection-ambig-between-bound-and-where-clause.rs:20:12 - | -LL | type Color; - | ---------- ambiguous `Color` from `Vehicle` -... -LL | type Color; - | ---------- ambiguous `Color` from `Box` -... -LL | fn b<C>(_: C::Color) where C : Vehicle+Box { - | ^^^^^^^^ ambiguous associated type `Color` - | -help: use fully qualified syntax to disambiguate - | -LL | fn b<C>(_: <C as Box>::Color) where C : Vehicle+Box { - | ~~~~~~~~~~~~ -help: use fully qualified syntax to disambiguate - | -LL | fn b<C>(_: <C as Vehicle>::Color) where C : Vehicle+Box { - | ~~~~~~~~~~~~~~~~ - -error[E0221]: ambiguous associated type `Color` in bounds of `C` - --> $DIR/associated-type-projection-ambig-between-bound-and-where-clause.rs:24:12 - | -LL | type Color; - | ---------- ambiguous `Color` from `Vehicle` -... -LL | type Color; - | ---------- ambiguous `Color` from `Box` -... -LL | fn c<C>(_: C::Color) where C : Vehicle, C : Box { - | ^^^^^^^^ ambiguous associated type `Color` - | -help: use fully qualified syntax to disambiguate - | -LL | fn c<C>(_: <C as Box>::Color) where C : Vehicle, C : Box { - | ~~~~~~~~~~~~ -help: use fully qualified syntax to disambiguate - | -LL | fn c<C>(_: <C as Vehicle>::Color) where C : Vehicle, C : Box { - | ~~~~~~~~~~~~~~~~ - -error[E0221]: ambiguous associated type `Color` in bounds of `X` - --> $DIR/associated-type-projection-ambig-between-bound-and-where-clause.rs:35:20 - | -LL | type Color; - | ---------- ambiguous `Color` from `Vehicle` -... -LL | type Color; - | ---------- ambiguous `Color` from `Box` -... -LL | fn e(&self, _: X::Color) where X : Box; - | ^^^^^^^^ ambiguous associated type `Color` - | -help: use fully qualified syntax to disambiguate - | -LL | fn e(&self, _: <X as Box>::Color) where X : Box; - | ~~~~~~~~~~~~ -help: use fully qualified syntax to disambiguate - | -LL | fn e(&self, _: <X as Vehicle>::Color) where X : Box; - | ~~~~~~~~~~~~~~~~ - -error[E0221]: ambiguous associated type `Color` in bounds of `X` - --> $DIR/associated-type-projection-ambig-between-bound-and-where-clause.rs:38:20 - | -LL | type Color; - | ---------- ambiguous `Color` from `Vehicle` -... -LL | type Color; - | ---------- ambiguous `Color` from `Box` -... -LL | fn f(&self, _: X::Color) where X : Box { } - | ^^^^^^^^ ambiguous associated type `Color` - | -help: use fully qualified syntax to disambiguate - | -LL | fn f(&self, _: <X as Box>::Color) where X : Box { } - | ~~~~~~~~~~~~ -help: use fully qualified syntax to disambiguate - | -LL | fn f(&self, _: <X as Vehicle>::Color) where X : Box { } - | ~~~~~~~~~~~~~~~~ - -error[E0221]: ambiguous associated type `Color` in bounds of `X` - --> $DIR/associated-type-projection-ambig-between-bound-and-where-clause.rs:30:20 - | -LL | type Color; - | ---------- ambiguous `Color` from `Vehicle` -... -LL | type Color; - | ---------- ambiguous `Color` from `Box` -... -LL | fn d(&self, _: X::Color) where X : Box { } - | ^^^^^^^^ ambiguous associated type `Color` - | -help: use fully qualified syntax to disambiguate - | -LL | fn d(&self, _: <X as Box>::Color) where X : Box { } - | ~~~~~~~~~~~~ -help: use fully qualified syntax to disambiguate - | -LL | fn d(&self, _: <X as Vehicle>::Color) where X : Box { } - | ~~~~~~~~~~~~~~~~ - -error: aborting due to 6 previous errors - -For more information about this error, try `rustc --explain E0221`. diff --git a/src/test/ui/associated-types/associated-type-projection-from-multiple-supertraits.rs b/src/test/ui/associated-types/associated-type-projection-from-multiple-supertraits.rs deleted file mode 100644 index df19332b6..000000000 --- a/src/test/ui/associated-types/associated-type-projection-from-multiple-supertraits.rs +++ /dev/null @@ -1,43 +0,0 @@ -// Test equality constraints in a where clause where the type being -// equated appears in a supertrait. - -pub trait Vehicle { - type Color; - - fn go(&self) { } -} - -pub trait Box { - type Color; - // - fn mail(&self) { } -} - -pub trait BoxCar : Box + Vehicle { -} - -fn dent<C:BoxCar>(c: C, color: C::Color) { - //~^ ERROR ambiguous associated type `Color` in bounds of `C` -} - -fn dent_object<COLOR>(c: dyn BoxCar<Color=COLOR>) { - //~^ ERROR ambiguous associated type - //~| ERROR the value of the associated types -} - -fn paint<C:BoxCar>(c: C, d: C::Color) { - //~^ ERROR ambiguous associated type `Color` in bounds of `C` -} - -fn dent_object_2<COLOR>(c: dyn BoxCar) where <dyn BoxCar as Vehicle>::Color = COLOR { - //~^ ERROR the value of the associated types - //~| ERROR equality constraints are not yet supported in `where` clauses -} - -fn dent_object_3<X, COLOR>(c: X) -where X: BoxCar, - X: Vehicle<Color = COLOR>, - X: Box<Color = COLOR> -{} // OK! - -pub fn main() { } diff --git a/src/test/ui/associated-types/associated-type-projection-from-multiple-supertraits.stderr b/src/test/ui/associated-types/associated-type-projection-from-multiple-supertraits.stderr deleted file mode 100644 index e765f9323..000000000 --- a/src/test/ui/associated-types/associated-type-projection-from-multiple-supertraits.stderr +++ /dev/null @@ -1,100 +0,0 @@ -error: equality constraints are not yet supported in `where` clauses - --> $DIR/associated-type-projection-from-multiple-supertraits.rs:32:46 - | -LL | fn dent_object_2<COLOR>(c: dyn BoxCar) where <dyn BoxCar as Vehicle>::Color = COLOR { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not supported - | - = note: see issue #20041 <https://github.com/rust-lang/rust/issues/20041> for more information - -error[E0221]: ambiguous associated type `Color` in bounds of `C` - --> $DIR/associated-type-projection-from-multiple-supertraits.rs:19:32 - | -LL | type Color; - | ---------- ambiguous `Color` from `Vehicle` -... -LL | type Color; - | ---------- ambiguous `Color` from `Box` -... -LL | fn dent<C:BoxCar>(c: C, color: C::Color) { - | ^^^^^^^^ ambiguous associated type `Color` - | -help: use fully qualified syntax to disambiguate - | -LL | fn dent<C:BoxCar>(c: C, color: <C as Vehicle>::Color) { - | ~~~~~~~~~~~~~~~~ -help: use fully qualified syntax to disambiguate - | -LL | fn dent<C:BoxCar>(c: C, color: <C as Box>::Color) { - | ~~~~~~~~~~~~ - -error[E0222]: ambiguous associated type `Color` in bounds of `BoxCar` - --> $DIR/associated-type-projection-from-multiple-supertraits.rs:23:37 - | -LL | type Color; - | ---------- ambiguous `Color` from `Vehicle` -... -LL | type Color; - | ---------- ambiguous `Color` from `Box` -... -LL | fn dent_object<COLOR>(c: dyn BoxCar<Color=COLOR>) { - | ^^^^^^^^^^^ ambiguous associated type `Color` - | - = help: consider introducing a new type parameter `T` and adding `where` constraints: - where - T: BoxCar, - T: Vehicle::Color = COLOR, - T: Box::Color = COLOR - -error[E0191]: the value of the associated types `Color` (from trait `Box`), `Color` (from trait `Vehicle`) must be specified - --> $DIR/associated-type-projection-from-multiple-supertraits.rs:23:30 - | -LL | type Color; - | ---------- `Vehicle::Color` defined here -... -LL | type Color; - | ---------- `Box::Color` defined here -... -LL | fn dent_object<COLOR>(c: dyn BoxCar<Color=COLOR>) { - | ^^^^^^^^^^^^^^^^^^^ associated types `Color` (from trait `Vehicle`), `Color` (from trait `Box`) must be specified - | - = help: consider introducing a new type parameter, adding `where` constraints using the fully-qualified path to the associated types - -error[E0221]: ambiguous associated type `Color` in bounds of `C` - --> $DIR/associated-type-projection-from-multiple-supertraits.rs:28:29 - | -LL | type Color; - | ---------- ambiguous `Color` from `Vehicle` -... -LL | type Color; - | ---------- ambiguous `Color` from `Box` -... -LL | fn paint<C:BoxCar>(c: C, d: C::Color) { - | ^^^^^^^^ ambiguous associated type `Color` - | -help: use fully qualified syntax to disambiguate - | -LL | fn paint<C:BoxCar>(c: C, d: <C as Vehicle>::Color) { - | ~~~~~~~~~~~~~~~~ -help: use fully qualified syntax to disambiguate - | -LL | fn paint<C:BoxCar>(c: C, d: <C as Box>::Color) { - | ~~~~~~~~~~~~ - -error[E0191]: the value of the associated types `Color` (from trait `Box`), `Color` (from trait `Vehicle`) must be specified - --> $DIR/associated-type-projection-from-multiple-supertraits.rs:32:32 - | -LL | type Color; - | ---------- `Vehicle::Color` defined here -... -LL | type Color; - | ---------- `Box::Color` defined here -... -LL | fn dent_object_2<COLOR>(c: dyn BoxCar) where <dyn BoxCar as Vehicle>::Color = COLOR { - | ^^^^^^ associated types `Color` (from trait `Vehicle`), `Color` (from trait `Box`) must be specified - | - = help: consider introducing a new type parameter, adding `where` constraints using the fully-qualified path to the associated types - -error: aborting due to 6 previous errors - -Some errors have detailed explanations: E0191, E0221, E0222. -For more information about an error, try `rustc --explain E0191`. diff --git a/src/test/ui/associated-types/associated-type-projection-from-supertrait.rs b/src/test/ui/associated-types/associated-type-projection-from-supertrait.rs deleted file mode 100644 index 7e05bcd30..000000000 --- a/src/test/ui/associated-types/associated-type-projection-from-supertrait.rs +++ /dev/null @@ -1,36 +0,0 @@ -// Test equality constraints in a where clause where the type being -// equated appears in a supertrait. - -pub trait Vehicle { - type Color; - - fn go(&self) { } -} - -pub trait Car : Vehicle { - fn honk(&self) { } - fn chip_paint(&self, c: Self::Color) { } -} - -struct Black; -struct ModelT; -impl Vehicle for ModelT { type Color = Black; } -impl Car for ModelT { } - -struct Blue; -struct ModelU; -impl Vehicle for ModelU { type Color = Blue; } -impl Car for ModelU { } - -fn dent<C:Car>(c: C, color: C::Color) { c.chip_paint(color) } -fn a() { dent(ModelT, Black); } -fn b() { dent(ModelT, Blue); } //~ ERROR mismatched types -fn c() { dent(ModelU, Black); } //~ ERROR mismatched types -fn d() { dent(ModelU, Blue); } - -fn e() { ModelT.chip_paint(Black); } -fn f() { ModelT.chip_paint(Blue); } //~ ERROR mismatched types -fn g() { ModelU.chip_paint(Black); } //~ ERROR mismatched types -fn h() { ModelU.chip_paint(Blue); } - -pub fn main() { } diff --git a/src/test/ui/associated-types/associated-type-projection-from-supertrait.stderr b/src/test/ui/associated-types/associated-type-projection-from-supertrait.stderr deleted file mode 100644 index e761c6c62..000000000 --- a/src/test/ui/associated-types/associated-type-projection-from-supertrait.stderr +++ /dev/null @@ -1,59 +0,0 @@ -error[E0308]: mismatched types - --> $DIR/associated-type-projection-from-supertrait.rs:27:23 - | -LL | fn b() { dent(ModelT, Blue); } - | ---- ^^^^ expected struct `Black`, found struct `Blue` - | | - | arguments to this function are incorrect - | -note: function defined here - --> $DIR/associated-type-projection-from-supertrait.rs:25:4 - | -LL | fn dent<C:Car>(c: C, color: C::Color) { c.chip_paint(color) } - | ^^^^ --------------- - -error[E0308]: mismatched types - --> $DIR/associated-type-projection-from-supertrait.rs:28:23 - | -LL | fn c() { dent(ModelU, Black); } - | ---- ^^^^^ expected struct `Blue`, found struct `Black` - | | - | arguments to this function are incorrect - | -note: function defined here - --> $DIR/associated-type-projection-from-supertrait.rs:25:4 - | -LL | fn dent<C:Car>(c: C, color: C::Color) { c.chip_paint(color) } - | ^^^^ --------------- - -error[E0308]: mismatched types - --> $DIR/associated-type-projection-from-supertrait.rs:32:28 - | -LL | fn f() { ModelT.chip_paint(Blue); } - | ---------- ^^^^ expected struct `Black`, found struct `Blue` - | | - | arguments to this function are incorrect - | -note: associated function defined here - --> $DIR/associated-type-projection-from-supertrait.rs:12:8 - | -LL | fn chip_paint(&self, c: Self::Color) { } - | ^^^^^^^^^^ -------------- - -error[E0308]: mismatched types - --> $DIR/associated-type-projection-from-supertrait.rs:33:28 - | -LL | fn g() { ModelU.chip_paint(Black); } - | ---------- ^^^^^ expected struct `Blue`, found struct `Black` - | | - | arguments to this function are incorrect - | -note: associated function defined here - --> $DIR/associated-type-projection-from-supertrait.rs:12:8 - | -LL | fn chip_paint(&self, c: Self::Color) { } - | ^^^^^^^^^^ -------------- - -error: aborting due to 4 previous errors - -For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/associated-types/associated-type-struct-construction.rs b/src/test/ui/associated-types/associated-type-struct-construction.rs deleted file mode 100644 index f8f8048fb..000000000 --- a/src/test/ui/associated-types/associated-type-struct-construction.rs +++ /dev/null @@ -1,24 +0,0 @@ -// Make sure that users can construct structs through associated types -// in both expressions and patterns - -#![feature(more_qualified_paths)] - -// check-pass -fn main() { - let <Foo as A>::Assoc { br } = <Foo as A>::Assoc { br: 2 }; - assert!(br == 2); -} - -struct StructStruct { - br: i8, -} - -struct Foo; - -trait A { - type Assoc; -} - -impl A for Foo { - type Assoc = StructStruct; -} diff --git a/src/test/ui/associated-types/associated-type-tuple-struct-construction.rs b/src/test/ui/associated-types/associated-type-tuple-struct-construction.rs deleted file mode 100644 index d5809ecd5..000000000 --- a/src/test/ui/associated-types/associated-type-tuple-struct-construction.rs +++ /dev/null @@ -1,24 +0,0 @@ -// Users cannot yet construct structs through associated types -// in both expressions and patterns - -#![feature(more_qualified_paths)] - -fn main() { - let <Foo as A>::Assoc(n) = <Foo as A>::Assoc(2); - //~^ ERROR expected method or associated constant, found associated type - //~| ERROR expected method or associated constant, found associated type - assert!(n == 2); -} - -struct TupleStruct(i8); - -struct Foo; - - -trait A { - type Assoc; -} - -impl A for Foo { - type Assoc = TupleStruct; -} diff --git a/src/test/ui/associated-types/associated-type-tuple-struct-construction.stderr b/src/test/ui/associated-types/associated-type-tuple-struct-construction.stderr deleted file mode 100644 index bca7deeb5..000000000 --- a/src/test/ui/associated-types/associated-type-tuple-struct-construction.stderr +++ /dev/null @@ -1,19 +0,0 @@ -error[E0575]: expected method or associated constant, found associated type `A::Assoc` - --> $DIR/associated-type-tuple-struct-construction.rs:7:32 - | -LL | let <Foo as A>::Assoc(n) = <Foo as A>::Assoc(2); - | ^^^^^^^^^^^^^^^^^ - | - = note: can't use a type alias as a constructor - -error[E0575]: expected method or associated constant, found associated type `A::Assoc` - --> $DIR/associated-type-tuple-struct-construction.rs:7:9 - | -LL | let <Foo as A>::Assoc(n) = <Foo as A>::Assoc(2); - | ^^^^^^^^^^^^^^^^^ - | - = note: can't use a type alias as a constructor - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0575`. diff --git a/src/test/ui/associated-types/associated-types-ICE-when-projecting-out-of-err.rs b/src/test/ui/associated-types/associated-types-ICE-when-projecting-out-of-err.rs deleted file mode 100644 index 707bcac78..000000000 --- a/src/test/ui/associated-types/associated-types-ICE-when-projecting-out-of-err.rs +++ /dev/null @@ -1,25 +0,0 @@ -// Test that we do not ICE when the self type is `ty::err`, but rather -// just propagate the error. - -#![crate_type = "lib"] -#![feature(lang_items)] -#![feature(no_core)] -#![no_core] - -#[lang="sized"] -pub trait Sized { - // Empty. -} - -#[lang = "add"] -trait Add<RHS=Self> { - type Output; - - fn add(self, _: RHS) -> Self::Output; -} - -fn ice<A>(a: A) { - let r = loop {}; - r = r + a; - //~^ ERROR the trait bound `(): Add<A>` is not satisfied -} diff --git a/src/test/ui/associated-types/associated-types-ICE-when-projecting-out-of-err.stderr b/src/test/ui/associated-types/associated-types-ICE-when-projecting-out-of-err.stderr deleted file mode 100644 index 8c3463a28..000000000 --- a/src/test/ui/associated-types/associated-types-ICE-when-projecting-out-of-err.stderr +++ /dev/null @@ -1,9 +0,0 @@ -error[E0277]: the trait bound `(): Add<A>` is not satisfied - --> $DIR/associated-types-ICE-when-projecting-out-of-err.rs:23:11 - | -LL | r = r + a; - | ^ the trait `Add<A>` is not implemented for `()` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/associated-types-basic.rs b/src/test/ui/associated-types/associated-types-basic.rs deleted file mode 100644 index b7f6721ec..000000000 --- a/src/test/ui/associated-types/associated-types-basic.rs +++ /dev/null @@ -1,14 +0,0 @@ -// run-pass -trait Foo { - type T; -} - -impl Foo for i32 { - type T = isize; -} - -fn main() { - let x: <i32 as Foo>::T = 22; - let y: isize = 44; - assert_eq!(x * 2, y); -} diff --git a/src/test/ui/associated-types/associated-types-binding-in-trait.rs b/src/test/ui/associated-types/associated-types-binding-in-trait.rs deleted file mode 100644 index 2e42b3a2a..000000000 --- a/src/test/ui/associated-types/associated-types-binding-in-trait.rs +++ /dev/null @@ -1,36 +0,0 @@ -// run-pass -// Test a case where the associated type binding (to `bool`, in this -// case) is derived from the trait definition. Issue #21636. - - -use std::vec; - -pub trait BitIter { - type Iter: Iterator<Item=bool>; - fn bit_iter(self) -> <Self as BitIter>::Iter; -} - -impl BitIter for Vec<bool> { - type Iter = vec::IntoIter<bool>; - fn bit_iter(self) -> <Self as BitIter>::Iter { - self.into_iter() - } -} - -fn count<T>(arg: T) -> usize - where T: BitIter -{ - let mut sum = 0; - for i in arg.bit_iter() { - if i { - sum += 1; - } - } - sum -} - -fn main() { - let v = vec![true, false, true]; - let c = count(v); - assert_eq!(c, 2); -} diff --git a/src/test/ui/associated-types/associated-types-binding-in-where-clause.rs b/src/test/ui/associated-types/associated-types-binding-in-where-clause.rs deleted file mode 100644 index c54bc3cd6..000000000 --- a/src/test/ui/associated-types/associated-types-binding-in-where-clause.rs +++ /dev/null @@ -1,38 +0,0 @@ -// run-pass -// Test equality constraints on associated types in a where clause. - -// pretty-expanded FIXME #23616 - -pub trait Foo { - type A; - fn boo(&self) -> <Self as Foo>::A; -} - -#[derive(PartialEq)] -pub struct Bar; - -impl Foo for isize { - type A = usize; - fn boo(&self) -> usize { 42 } -} - -impl Foo for char { - type A = Bar; - fn boo(&self) -> Bar { Bar } -} - -fn foo_bar<I: Foo<A=Bar>>(x: I) -> Bar { - x.boo() -} - -fn foo_uint<I: Foo<A=usize>>(x: I) -> usize { - x.boo() -} - -pub fn main() { - let a = 42; - foo_uint(a); - - let a = 'a'; - foo_bar(a); -} diff --git a/src/test/ui/associated-types/associated-types-binding-to-type-defined-in-supertrait.rs b/src/test/ui/associated-types/associated-types-binding-to-type-defined-in-supertrait.rs deleted file mode 100644 index 6b2bbbe2e..000000000 --- a/src/test/ui/associated-types/associated-types-binding-to-type-defined-in-supertrait.rs +++ /dev/null @@ -1,35 +0,0 @@ -// Test equality constraints in a where clause where the type being -// equated appears in a supertrait. - -pub trait Vehicle { - type Color; - - fn go(&self) { } -} - -pub trait Car : Vehicle { - fn honk(&self) { } -} - -struct Black; -struct ModelT; -impl Vehicle for ModelT { type Color = Black; } -impl Car for ModelT { } - -struct Blue; -struct ModelU; -impl Vehicle for ModelU { type Color = Blue; } -impl Car for ModelU { } - -fn black_car<C:Car<Color=Black>>(c: C) { -} - -fn blue_car<C:Car<Color=Blue>>(c: C) { -} - -fn a() { black_car(ModelT); } -fn b() { blue_car(ModelT); } //~ ERROR type mismatch -fn c() { black_car(ModelU); } //~ ERROR type mismatch -fn d() { blue_car(ModelU); } - -pub fn main() { } diff --git a/src/test/ui/associated-types/associated-types-binding-to-type-defined-in-supertrait.stderr b/src/test/ui/associated-types/associated-types-binding-to-type-defined-in-supertrait.stderr deleted file mode 100644 index a777e064f..000000000 --- a/src/test/ui/associated-types/associated-types-binding-to-type-defined-in-supertrait.stderr +++ /dev/null @@ -1,41 +0,0 @@ -error[E0271]: type mismatch resolving `<ModelT as Vehicle>::Color == Blue` - --> $DIR/associated-types-binding-to-type-defined-in-supertrait.rs:31:19 - | -LL | fn b() { blue_car(ModelT); } - | -------- ^^^^^^ type mismatch resolving `<ModelT as Vehicle>::Color == Blue` - | | - | required by a bound introduced by this call - | -note: expected this to be `Blue` - --> $DIR/associated-types-binding-to-type-defined-in-supertrait.rs:16:40 - | -LL | impl Vehicle for ModelT { type Color = Black; } - | ^^^^^ -note: required by a bound in `blue_car` - --> $DIR/associated-types-binding-to-type-defined-in-supertrait.rs:27:19 - | -LL | fn blue_car<C:Car<Color=Blue>>(c: C) { - | ^^^^^^^^^^ required by this bound in `blue_car` - -error[E0271]: type mismatch resolving `<ModelU as Vehicle>::Color == Black` - --> $DIR/associated-types-binding-to-type-defined-in-supertrait.rs:32:20 - | -LL | fn c() { black_car(ModelU); } - | --------- ^^^^^^ type mismatch resolving `<ModelU as Vehicle>::Color == Black` - | | - | required by a bound introduced by this call - | -note: expected this to be `Black` - --> $DIR/associated-types-binding-to-type-defined-in-supertrait.rs:21:40 - | -LL | impl Vehicle for ModelU { type Color = Blue; } - | ^^^^ -note: required by a bound in `black_car` - --> $DIR/associated-types-binding-to-type-defined-in-supertrait.rs:24:20 - | -LL | fn black_car<C:Car<Color=Black>>(c: C) { - | ^^^^^^^^^^^ required by this bound in `black_car` - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0271`. diff --git a/src/test/ui/associated-types/associated-types-bound-ambiguity.rs b/src/test/ui/associated-types/associated-types-bound-ambiguity.rs deleted file mode 100644 index 9f179b645..000000000 --- a/src/test/ui/associated-types/associated-types-bound-ambiguity.rs +++ /dev/null @@ -1,23 +0,0 @@ -// Make sure that if there are multiple applicable bounds on a projection, we -// consider them ambiguous. In this test we are initially trying to solve -// `Self::Repr: From<_>`, which is ambiguous until we later infer `_` to -// `{integer}`. - -// check-pass - -trait PrimeField: Sized { - type Repr: From<u64> + From<Self>; - type Repr2: From<Self> + From<u64>; - - fn method() { - Self::Repr::from(10); - Self::Repr2::from(10); - } -} - -fn function<T: PrimeField>() { - T::Repr::from(10); - T::Repr2::from(10); -} - -fn main() {} diff --git a/src/test/ui/associated-types/associated-types-bound-failure.fixed b/src/test/ui/associated-types/associated-types-bound-failure.fixed deleted file mode 100644 index 68ee38d16..000000000 --- a/src/test/ui/associated-types/associated-types-bound-failure.fixed +++ /dev/null @@ -1,29 +0,0 @@ -// run-rustfix -// Test equality constraints on associated types in a where clause. -#![allow(dead_code)] - -pub trait ToInt { - fn to_int(&self) -> isize; -} - -pub trait GetToInt -{ - type R; - - fn get(&self) -> <Self as GetToInt>::R; -} - -fn foo<G>(g: G) -> isize - where G : GetToInt, <G as GetToInt>::R: ToInt -{ - ToInt::to_int(&g.get()) //~ ERROR E0277 -} - -fn bar<G : GetToInt>(g: G) -> isize - where G::R : ToInt -{ - ToInt::to_int(&g.get()) // OK -} - -pub fn main() { -} diff --git a/src/test/ui/associated-types/associated-types-bound-failure.rs b/src/test/ui/associated-types/associated-types-bound-failure.rs deleted file mode 100644 index 31e073cc7..000000000 --- a/src/test/ui/associated-types/associated-types-bound-failure.rs +++ /dev/null @@ -1,29 +0,0 @@ -// run-rustfix -// Test equality constraints on associated types in a where clause. -#![allow(dead_code)] - -pub trait ToInt { - fn to_int(&self) -> isize; -} - -pub trait GetToInt -{ - type R; - - fn get(&self) -> <Self as GetToInt>::R; -} - -fn foo<G>(g: G) -> isize - where G : GetToInt -{ - ToInt::to_int(&g.get()) //~ ERROR E0277 -} - -fn bar<G : GetToInt>(g: G) -> isize - where G::R : ToInt -{ - ToInt::to_int(&g.get()) // OK -} - -pub fn main() { -} diff --git a/src/test/ui/associated-types/associated-types-bound-failure.stderr b/src/test/ui/associated-types/associated-types-bound-failure.stderr deleted file mode 100644 index 3eda22796..000000000 --- a/src/test/ui/associated-types/associated-types-bound-failure.stderr +++ /dev/null @@ -1,16 +0,0 @@ -error[E0277]: the trait bound `<G as GetToInt>::R: ToInt` is not satisfied - --> $DIR/associated-types-bound-failure.rs:19:19 - | -LL | ToInt::to_int(&g.get()) - | ------------- ^^^^^^^^ the trait `ToInt` is not implemented for `<G as GetToInt>::R` - | | - | required by a bound introduced by this call - | -help: consider further restricting the associated type - | -LL | where G : GetToInt, <G as GetToInt>::R: ToInt - | +++++++++++++++++++++++++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/associated-types-bound.rs b/src/test/ui/associated-types/associated-types-bound.rs deleted file mode 100644 index 0e9a229a5..000000000 --- a/src/test/ui/associated-types/associated-types-bound.rs +++ /dev/null @@ -1,43 +0,0 @@ -// run-pass -// Test equality constrai32s on associated types in a where clause. - - -pub trait ToI32 { - fn to_i32(&self) -> i32; -} - -impl ToI32 for i32 { - fn to_i32(&self) -> i32 { *self } -} - -impl ToI32 for u32 { - fn to_i32(&self) -> i32 { *self as i32 } -} - -pub trait GetToI32 -{ - type R : ToI32; - - fn get(&self) -> <Self as GetToI32>::R; -} - -impl GetToI32 for i32 { - type R = i32; - fn get(&self) -> i32 { *self } -} - -impl GetToI32 for u32 { - type R = u32; - fn get(&self) -> u32 { *self } -} - -fn foo<G>(g: G) -> i32 - where G : GetToI32 -{ - ToI32::to_i32(&g.get()) -} - -pub fn main() { - assert_eq!(foo(22i32), 22); - assert_eq!(foo(22u32), 22); -} diff --git a/src/test/ui/associated-types/associated-types-cc.rs b/src/test/ui/associated-types/associated-types-cc.rs deleted file mode 100644 index 13f1d2720..000000000 --- a/src/test/ui/associated-types/associated-types-cc.rs +++ /dev/null @@ -1,18 +0,0 @@ -// run-pass -#![allow(unused_variables)] -// aux-build:associated-types-cc-lib.rs - -// Test that we are able to reference cross-crate traits that employ -// associated types. - -extern crate associated_types_cc_lib as bar; - -use bar::Bar; - -fn foo<B:Bar>(b: B) -> <B as Bar>::T { - Bar::get(None::<B>) -} - -fn main() { - println!("{}", foo(3)); -} diff --git a/src/test/ui/associated-types/associated-types-coherence-failure.rs b/src/test/ui/associated-types/associated-types-coherence-failure.rs deleted file mode 100644 index c33f2ac96..000000000 --- a/src/test/ui/associated-types/associated-types-coherence-failure.rs +++ /dev/null @@ -1,49 +0,0 @@ -// Test that coherence detects overlap when some of the types in the -// impls are projections of associated type. Issue #20624. - -use std::marker::PhantomData; -use std::ops::Deref; - -pub struct Cow<'a, B: ?Sized>(PhantomData<(&'a (),B)>); - -/// Trait for moving into a `Cow` -pub trait IntoCow<'a, B: ?Sized> { - /// Moves `self` into `Cow` - fn into_cow(self) -> Cow<'a, B>; -} - -impl<'a, B: ?Sized> IntoCow<'a, B> for <B as ToOwned>::Owned where B: ToOwned { - fn into_cow(self) -> Cow<'a, B> { - Cow(PhantomData) - } -} - -impl<'a, B: ?Sized> IntoCow<'a, B> for Cow<'a, B> where B: ToOwned { -//~^ ERROR E0119 - fn into_cow(self) -> Cow<'a, B> { - self - } -} - -impl<'a, B: ?Sized> IntoCow<'a, B> for &'a B where B: ToOwned { -//~^ ERROR E0119 - fn into_cow(self) -> Cow<'a, B> { - Cow(PhantomData) - } -} - -impl ToOwned for u8 { - type Owned = &'static u8; - fn to_owned(&self) -> &'static u8 { panic!() } -} - -/// A generalization of Clone to borrowed data. -pub trait ToOwned { - type Owned; - - /// Creates owned data from borrowed data, usually by copying. - fn to_owned(&self) -> Self::Owned; -} - - -fn main() {} diff --git a/src/test/ui/associated-types/associated-types-coherence-failure.stderr b/src/test/ui/associated-types/associated-types-coherence-failure.stderr deleted file mode 100644 index 40c02dca3..000000000 --- a/src/test/ui/associated-types/associated-types-coherence-failure.stderr +++ /dev/null @@ -1,21 +0,0 @@ -error[E0119]: conflicting implementations of trait `IntoCow<'_, _>` for type `Cow<'_, _>` - --> $DIR/associated-types-coherence-failure.rs:21:1 - | -LL | impl<'a, B: ?Sized> IntoCow<'a, B> for <B as ToOwned>::Owned where B: ToOwned { - | ------------------------------------------------------------ first implementation here -... -LL | impl<'a, B: ?Sized> IntoCow<'a, B> for Cow<'a, B> where B: ToOwned { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Cow<'_, _>` - -error[E0119]: conflicting implementations of trait `IntoCow<'_, _>` for type `&_` - --> $DIR/associated-types-coherence-failure.rs:28:1 - | -LL | impl<'a, B: ?Sized> IntoCow<'a, B> for <B as ToOwned>::Owned where B: ToOwned { - | ------------------------------------------------------------ first implementation here -... -LL | impl<'a, B: ?Sized> IntoCow<'a, B> for &'a B where B: ToOwned { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `&_` - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0119`. diff --git a/src/test/ui/associated-types/associated-types-conditional-dispatch.rs b/src/test/ui/associated-types/associated-types-conditional-dispatch.rs deleted file mode 100644 index 70ee60517..000000000 --- a/src/test/ui/associated-types/associated-types-conditional-dispatch.rs +++ /dev/null @@ -1,66 +0,0 @@ -// run-pass -// Test that we evaluate projection predicates to winnow out -// candidates during trait selection and method resolution (#20296). -// If we don't properly winnow out candidates based on the output type -// `Target=[A]`, then the impl marked with `(*)` is seen to conflict -// with all the others. - -// pretty-expanded FIXME #23616 - -use std::marker::PhantomData; -use std::ops::Deref; - -pub trait MyEq<U: ?Sized=Self> { - fn eq(&self, u: &U) -> bool; -} - -impl<A, B> MyEq<[B]> for [A] - where A : MyEq<B> -{ - fn eq(&self, other: &[B]) -> bool { - self.len() == other.len() && - self.iter().zip(other).all(|(a, b)| MyEq::eq(a, b)) - } -} - -// (*) This impl conflicts with everything unless the `Target=[A]` -// constraint is considered. -impl<'a, A, B, Lhs> MyEq<[B; 0]> for Lhs - where A: MyEq<B>, Lhs: Deref<Target=[A]> -{ - fn eq(&self, other: &[B; 0]) -> bool { - MyEq::eq(&**self, other) - } -} - -struct DerefWithHelper<H, T> { - pub helper: H, - pub marker: PhantomData<T>, -} - -trait Helper<T> { - fn helper_borrow(&self) -> &T; -} - -impl<T> Helper<T> for Option<T> { - fn helper_borrow(&self) -> &T { - self.as_ref().unwrap() - } -} - -impl<T, H: Helper<T>> Deref for DerefWithHelper<H, T> { - type Target = T; - - fn deref(&self) -> &T { - self.helper.helper_borrow() - } -} - -pub fn check<T: MyEq>(x: T, y: T) -> bool { - let d: DerefWithHelper<Option<T>, T> = DerefWithHelper { helper: Some(x), - marker: PhantomData }; - d.eq(&y) -} - -pub fn main() { -} diff --git a/src/test/ui/associated-types/associated-types-constant-type.rs b/src/test/ui/associated-types/associated-types-constant-type.rs deleted file mode 100644 index 1e4c113a5..000000000 --- a/src/test/ui/associated-types/associated-types-constant-type.rs +++ /dev/null @@ -1,31 +0,0 @@ -// run-pass - -trait SignedUnsigned { - type Opposite; - fn convert(self) -> Self::Opposite; -} - -impl SignedUnsigned for isize { - type Opposite = usize; - - fn convert(self) -> usize { - self as usize - } -} - -impl SignedUnsigned for usize { - type Opposite = isize; - - fn convert(self) -> isize { - self as isize - } -} - -fn get(x: isize) -> <isize as SignedUnsigned>::Opposite { - x.convert() -} - -fn main() { - let x = get(22); - assert_eq!(22, x); -} diff --git a/src/test/ui/associated-types/associated-types-doubleendediterator-object.rs b/src/test/ui/associated-types/associated-types-doubleendediterator-object.rs deleted file mode 100644 index 05498ba63..000000000 --- a/src/test/ui/associated-types/associated-types-doubleendediterator-object.rs +++ /dev/null @@ -1,19 +0,0 @@ -// run-pass - -fn pairwise_sub(mut t: Box<dyn DoubleEndedIterator<Item=isize>>) -> isize { - let mut result = 0; - loop { - let front = t.next(); - let back = t.next_back(); - match (front, back) { - (Some(f), Some(b)) => { result += b - f; } - _ => { return result; } - } - } -} - -fn main() { - let v = vec![1, 2, 3, 4, 5, 6]; - let r = pairwise_sub(Box::new(v.into_iter())); - assert_eq!(r, 9); -} diff --git a/src/test/ui/associated-types/associated-types-duplicate-binding-in-env-hrtb.rs b/src/test/ui/associated-types/associated-types-duplicate-binding-in-env-hrtb.rs deleted file mode 100644 index 12ca10043..000000000 --- a/src/test/ui/associated-types/associated-types-duplicate-binding-in-env-hrtb.rs +++ /dev/null @@ -1,17 +0,0 @@ -// run-pass -#![allow(dead_code)] -// Check that we do not report ambiguities when equivalent predicates -// (modulo bound lifetime names) appears in the environment -// twice. Issue #21965. - -// pretty-expanded FIXME #23616 - -fn foo<T>(t: T) -> i32 - where T : for<'a> Fn(&'a u8) -> i32, - T : for<'b> Fn(&'b u8) -> i32, -{ - t(&3) -} - -fn main() { -} diff --git a/src/test/ui/associated-types/associated-types-duplicate-binding-in-env.rs b/src/test/ui/associated-types/associated-types-duplicate-binding-in-env.rs deleted file mode 100644 index 9ffccd3d8..000000000 --- a/src/test/ui/associated-types/associated-types-duplicate-binding-in-env.rs +++ /dev/null @@ -1,21 +0,0 @@ -// run-pass -#![allow(dead_code)] -// Check that we do not report ambiguities when the same predicate -// appears in the environment twice. Issue #21965. - -// pretty-expanded FIXME #23616 - -trait Foo { - type B; - - fn get() -> Self::B; -} - -fn foo<T>() -> () - where T : Foo<B=()>, T : Foo<B=()> -{ - <T as Foo>::get() -} - -fn main() { -} diff --git a/src/test/ui/associated-types/associated-types-enum-field-named.rs b/src/test/ui/associated-types/associated-types-enum-field-named.rs deleted file mode 100644 index 896d67213..000000000 --- a/src/test/ui/associated-types/associated-types-enum-field-named.rs +++ /dev/null @@ -1,35 +0,0 @@ -// run-pass -// Test associated types appearing in struct-like enum variants. - - -use self::VarValue::*; - -pub trait UnifyKey { - type Value; - fn to_index(&self) -> usize; -} - -pub enum VarValue<K:UnifyKey> { - Redirect { to: K }, - Root { value: K::Value, rank: usize }, -} - -fn get<'a,K:UnifyKey<Value=Option<V>>,V>(table: &'a Vec<VarValue<K>>, key: &K) -> &'a Option<V> { - match table[key.to_index()] { - VarValue::Redirect { to: ref k } => get(table, k), - VarValue::Root { value: ref v, rank: _ } => v, - } -} - -impl UnifyKey for usize { - type Value = Option<char>; - fn to_index(&self) -> usize { *self } -} - -fn main() { - let table = vec![/* 0 */ Redirect { to: 1 }, - /* 1 */ Redirect { to: 3 }, - /* 2 */ Root { value: Some('x'), rank: 0 }, - /* 3 */ Redirect { to: 2 }]; - assert_eq!(get(&table, &0), &Some('x')); -} diff --git a/src/test/ui/associated-types/associated-types-enum-field-numbered.rs b/src/test/ui/associated-types/associated-types-enum-field-numbered.rs deleted file mode 100644 index 77ced3c07..000000000 --- a/src/test/ui/associated-types/associated-types-enum-field-numbered.rs +++ /dev/null @@ -1,35 +0,0 @@ -// run-pass -// Test associated types appearing in tuple-like enum variants. - - -use self::VarValue::*; - -pub trait UnifyKey { - type Value; - fn to_index(&self) -> usize; -} - -pub enum VarValue<K:UnifyKey> { - Redirect(K), - Root(K::Value, usize), -} - -fn get<'a,K:UnifyKey<Value=Option<V>>,V>(table: &'a Vec<VarValue<K>>, key: &K) -> &'a Option<V> { - match table[key.to_index()] { - VarValue::Redirect(ref k) => get(table, k), - VarValue::Root(ref v, _) => v, - } -} - -impl UnifyKey for usize { - type Value = Option<char>; - fn to_index(&self) -> usize { *self } -} - -fn main() { - let table = vec![/* 0 */ Redirect(1), - /* 1 */ Redirect(3), - /* 2 */ Root(Some('x'), 0), - /* 3 */ Redirect(2)]; - assert_eq!(get(&table, &0), &Some('x')); -} diff --git a/src/test/ui/associated-types/associated-types-eq-1.rs b/src/test/ui/associated-types/associated-types-eq-1.rs deleted file mode 100644 index c371138ff..000000000 --- a/src/test/ui/associated-types/associated-types-eq-1.rs +++ /dev/null @@ -1,13 +0,0 @@ -// Test equality constraints on associated types. Check that unsupported syntax -// does not ICE. - -pub trait Foo { - type A; - fn boo(&self) -> <Self as Foo>::A; -} - -fn foo2<I: Foo>(x: I) { - let _: A = x.boo(); //~ ERROR cannot find type `A` in this scope -} - -pub fn main() {} diff --git a/src/test/ui/associated-types/associated-types-eq-1.stderr b/src/test/ui/associated-types/associated-types-eq-1.stderr deleted file mode 100644 index e9ace7d25..000000000 --- a/src/test/ui/associated-types/associated-types-eq-1.stderr +++ /dev/null @@ -1,20 +0,0 @@ -error[E0412]: cannot find type `A` in this scope - --> $DIR/associated-types-eq-1.rs:10:12 - | -LL | fn foo2<I: Foo>(x: I) { - | - similarly named type parameter `I` defined here -LL | let _: A = x.boo(); - | ^ - | -help: a type parameter with a similar name exists - | -LL | let _: I = x.boo(); - | ~ -help: you might be missing a type parameter - | -LL | fn foo2<I: Foo, A>(x: I) { - | +++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0412`. diff --git a/src/test/ui/associated-types/associated-types-eq-2.rs b/src/test/ui/associated-types/associated-types-eq-2.rs deleted file mode 100644 index 18e38d446..000000000 --- a/src/test/ui/associated-types/associated-types-eq-2.rs +++ /dev/null @@ -1,19 +0,0 @@ -// Test equality constraints on associated types. Check we get an error when an -// equality constraint is used in a qualified path. - -pub trait Foo { - type A; - fn boo(&self) -> <Self as Foo>::A; -} - -struct Bar; - -impl Foo for isize { - type A = usize; - fn boo(&self) -> usize { 42 } -} - -fn baz<I: Foo>(x: &<I as Foo<A=Bar>>::A) {} -//~^ ERROR associated type bindings are not allowed here - -pub fn main() {} diff --git a/src/test/ui/associated-types/associated-types-eq-2.stderr b/src/test/ui/associated-types/associated-types-eq-2.stderr deleted file mode 100644 index 23ee8cd23..000000000 --- a/src/test/ui/associated-types/associated-types-eq-2.stderr +++ /dev/null @@ -1,9 +0,0 @@ -error[E0229]: associated type bindings are not allowed here - --> $DIR/associated-types-eq-2.rs:16:30 - | -LL | fn baz<I: Foo>(x: &<I as Foo<A=Bar>>::A) {} - | ^^^^^ associated type not allowed here - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0229`. diff --git a/src/test/ui/associated-types/associated-types-eq-3.rs b/src/test/ui/associated-types/associated-types-eq-3.rs deleted file mode 100644 index f6988dcf6..000000000 --- a/src/test/ui/associated-types/associated-types-eq-3.rs +++ /dev/null @@ -1,42 +0,0 @@ -// Test equality constraints on associated types. Check we get type errors -// where we should. - -pub trait Foo { - type A; - fn boo(&self) -> <Self as Foo>::A; -} - -struct Bar; - -impl Foo for isize { - type A = usize; - fn boo(&self) -> usize { - 42 - } -} - -fn foo1<I: Foo<A=Bar>>(x: I) { - let _: Bar = x.boo(); -} - -fn foo2<I: Foo>(x: I) { - let _: Bar = x.boo(); - //~^ ERROR mismatched types - //~| found associated type `<I as Foo>::A` - //~| expected struct `Bar`, found associated type - //~| expected struct `Bar` -} - - -pub fn baz(x: &dyn Foo<A=Bar>) { - let _: Bar = x.boo(); -} - - -pub fn main() { - let a = 42; - foo1(a); - //~^ ERROR type mismatch resolving - baz(&a); - //~^ ERROR type mismatch resolving -} diff --git a/src/test/ui/associated-types/associated-types-eq-3.stderr b/src/test/ui/associated-types/associated-types-eq-3.stderr deleted file mode 100644 index fbe1a1ee8..000000000 --- a/src/test/ui/associated-types/associated-types-eq-3.stderr +++ /dev/null @@ -1,51 +0,0 @@ -error[E0308]: mismatched types - --> $DIR/associated-types-eq-3.rs:23:18 - | -LL | let _: Bar = x.boo(); - | --- ^^^^^^^ expected struct `Bar`, found associated type - | | - | expected due to this - | - = note: expected struct `Bar` - found associated type `<I as Foo>::A` -help: consider constraining the associated type `<I as Foo>::A` to `Bar` - | -LL | fn foo2<I: Foo<A = Bar>>(x: I) { - | +++++++++ - -error[E0271]: type mismatch resolving `<isize as Foo>::A == Bar` - --> $DIR/associated-types-eq-3.rs:38:10 - | -LL | foo1(a); - | ---- ^ type mismatch resolving `<isize as Foo>::A == Bar` - | | - | required by a bound introduced by this call - | -note: expected this to be `Bar` - --> $DIR/associated-types-eq-3.rs:12:14 - | -LL | type A = usize; - | ^^^^^ -note: required by a bound in `foo1` - --> $DIR/associated-types-eq-3.rs:18:16 - | -LL | fn foo1<I: Foo<A=Bar>>(x: I) { - | ^^^^^ required by this bound in `foo1` - -error[E0271]: type mismatch resolving `<isize as Foo>::A == Bar` - --> $DIR/associated-types-eq-3.rs:40:9 - | -LL | baz(&a); - | ^^ type mismatch resolving `<isize as Foo>::A == Bar` - | -note: expected this to be `Bar` - --> $DIR/associated-types-eq-3.rs:12:14 - | -LL | type A = usize; - | ^^^^^ - = note: required for the cast from `isize` to the object type `dyn Foo<A = Bar>` - -error: aborting due to 3 previous errors - -Some errors have detailed explanations: E0271, E0308. -For more information about an error, try `rustc --explain E0271`. diff --git a/src/test/ui/associated-types/associated-types-eq-expr-path.rs b/src/test/ui/associated-types/associated-types-eq-expr-path.rs deleted file mode 100644 index 143992f29..000000000 --- a/src/test/ui/associated-types/associated-types-eq-expr-path.rs +++ /dev/null @@ -1,16 +0,0 @@ -// Check that an associated type cannot be bound in an expression path. - -trait Foo { - type A; - fn bar() -> isize; -} - -impl Foo for isize { - type A = usize; - fn bar() -> isize { 42 } -} - -pub fn main() { - let x: isize = Foo::<A=usize>::bar(); - //~^ ERROR associated type bindings are not allowed here -} diff --git a/src/test/ui/associated-types/associated-types-eq-expr-path.stderr b/src/test/ui/associated-types/associated-types-eq-expr-path.stderr deleted file mode 100644 index bd354cf3e..000000000 --- a/src/test/ui/associated-types/associated-types-eq-expr-path.stderr +++ /dev/null @@ -1,9 +0,0 @@ -error[E0229]: associated type bindings are not allowed here - --> $DIR/associated-types-eq-expr-path.rs:14:26 - | -LL | let x: isize = Foo::<A=usize>::bar(); - | ^^^^^^^ associated type not allowed here - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0229`. diff --git a/src/test/ui/associated-types/associated-types-eq-hr.rs b/src/test/ui/associated-types/associated-types-eq-hr.rs deleted file mode 100644 index dc653f7f2..000000000 --- a/src/test/ui/associated-types/associated-types-eq-hr.rs +++ /dev/null @@ -1,111 +0,0 @@ -// Check testing of equality constraints in a higher-ranked context. - -pub trait TheTrait<T> { - type A; - - fn get(&self, t: T) -> Self::A; -} - -struct IntStruct { - x: isize, -} - -impl<'a> TheTrait<&'a isize> for IntStruct { - type A = &'a isize; - - fn get(&self, t: &'a isize) -> &'a isize { - t - } -} - -struct UintStruct { - x: isize, -} - -impl<'a> TheTrait<&'a isize> for UintStruct { - type A = &'a usize; - - fn get(&self, t: &'a isize) -> &'a usize { - panic!() - } -} - -struct Tuple {} - -impl<'a> TheTrait<(&'a isize, &'a isize)> for Tuple { - type A = &'a isize; - - fn get(&self, t: (&'a isize, &'a isize)) -> &'a isize { - t.0 - } -} - -fn foo<T>() -where - T: for<'x> TheTrait<&'x isize, A = &'x isize>, -{ - // ok for IntStruct, but not UintStruct -} - -fn bar<T>() -where - T: for<'x> TheTrait<&'x isize, A = &'x usize>, -{ - // ok for UintStruct, but not IntStruct -} - -fn tuple_one<T>() -where - T: for<'x, 'y> TheTrait<(&'x isize, &'y isize), A = &'x isize>, -{ - // not ok for tuple, two lifetimes and we pick first -} - -fn tuple_two<T>() -where - T: for<'x, 'y> TheTrait<(&'x isize, &'y isize), A = &'y isize>, -{ - // not ok for tuple, two lifetimes and we pick second -} - -fn tuple_three<T>() -where - T: for<'x> TheTrait<(&'x isize, &'x isize), A = &'x isize>, -{ - // ok for tuple -} - -fn tuple_four<T>() -where - T: for<'x, 'y> TheTrait<(&'x isize, &'y isize)>, -{ - // not ok for tuple, two lifetimes, and lifetime matching is invariant -} - -pub fn call_foo() { - foo::<IntStruct>(); - foo::<UintStruct>(); //~ ERROR type mismatch -} - -pub fn call_bar() { - bar::<IntStruct>(); //~ ERROR type mismatch - bar::<UintStruct>(); -} - -pub fn call_tuple_one() { - tuple_one::<Tuple>(); -} - -pub fn call_tuple_two() { - tuple_two::<Tuple>(); -} - -pub fn call_tuple_three() { - tuple_three::<Tuple>(); -} - -pub fn call_tuple_four() { - tuple_four::<Tuple>(); -} - -fn main() {} diff --git a/src/test/ui/associated-types/associated-types-eq-hr.stderr b/src/test/ui/associated-types/associated-types-eq-hr.stderr deleted file mode 100644 index 6cff403b3..000000000 --- a/src/test/ui/associated-types/associated-types-eq-hr.stderr +++ /dev/null @@ -1,47 +0,0 @@ -error[E0271]: type mismatch resolving `for<'x> <UintStruct as TheTrait<&'x isize>>::A == &'x isize` - --> $DIR/associated-types-eq-hr.rs:87:11 - | -LL | foo::<UintStruct>(); - | ^^^^^^^^^^ type mismatch resolving `for<'x> <UintStruct as TheTrait<&'x isize>>::A == &'x isize` - | -note: expected this to be `&isize` - --> $DIR/associated-types-eq-hr.rs:26:14 - | -LL | type A = &'a usize; - | ^^^^^^^^^ - = note: expected reference `&isize` - found reference `&usize` -note: required by a bound in `foo` - --> $DIR/associated-types-eq-hr.rs:45:36 - | -LL | fn foo<T>() - | --- required by a bound in this -LL | where -LL | T: for<'x> TheTrait<&'x isize, A = &'x isize>, - | ^^^^^^^^^^^^^ required by this bound in `foo` - -error[E0271]: type mismatch resolving `for<'x> <IntStruct as TheTrait<&'x isize>>::A == &'x usize` - --> $DIR/associated-types-eq-hr.rs:91:11 - | -LL | bar::<IntStruct>(); - | ^^^^^^^^^ type mismatch resolving `for<'x> <IntStruct as TheTrait<&'x isize>>::A == &'x usize` - | -note: expected this to be `&usize` - --> $DIR/associated-types-eq-hr.rs:14:14 - | -LL | type A = &'a isize; - | ^^^^^^^^^ - = note: expected reference `&usize` - found reference `&isize` -note: required by a bound in `bar` - --> $DIR/associated-types-eq-hr.rs:52:36 - | -LL | fn bar<T>() - | --- required by a bound in this -LL | where -LL | T: for<'x> TheTrait<&'x isize, A = &'x usize>, - | ^^^^^^^^^^^^^ required by this bound in `bar` - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0271`. diff --git a/src/test/ui/associated-types/associated-types-eq-obj.rs b/src/test/ui/associated-types/associated-types-eq-obj.rs deleted file mode 100644 index c202c376c..000000000 --- a/src/test/ui/associated-types/associated-types-eq-obj.rs +++ /dev/null @@ -1,25 +0,0 @@ -// run-pass -// Test equality constraints on associated types inside of an object type - -// pretty-expanded FIXME #23616 - -pub trait Foo { - type A; - fn boo(&self) -> <Self as Foo>::A; -} - -pub struct Bar; - -impl Foo for char { - type A = Bar; - fn boo(&self) -> Bar { Bar } -} - -fn baz(x: &dyn Foo<A=Bar>) -> Bar { - x.boo() -} - -pub fn main() { - let a = 'a'; - baz(&a); -} diff --git a/src/test/ui/associated-types/associated-types-for-unimpl-trait.fixed b/src/test/ui/associated-types/associated-types-for-unimpl-trait.fixed deleted file mode 100644 index 80bbef174..000000000 --- a/src/test/ui/associated-types/associated-types-for-unimpl-trait.fixed +++ /dev/null @@ -1,15 +0,0 @@ -// run-rustfix -#![allow(unused_variables)] - -trait Get { - type Value; - fn get(&self) -> <Self as Get>::Value; -} - -trait Other { - fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) where Self: Get {} - //~^ ERROR the trait bound `Self: Get` is not satisfied -} - -fn main() { -} diff --git a/src/test/ui/associated-types/associated-types-for-unimpl-trait.rs b/src/test/ui/associated-types/associated-types-for-unimpl-trait.rs deleted file mode 100644 index 0f6cea8e6..000000000 --- a/src/test/ui/associated-types/associated-types-for-unimpl-trait.rs +++ /dev/null @@ -1,15 +0,0 @@ -// run-rustfix -#![allow(unused_variables)] - -trait Get { - type Value; - fn get(&self) -> <Self as Get>::Value; -} - -trait Other { - fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) {} - //~^ ERROR the trait bound `Self: Get` is not satisfied -} - -fn main() { -} diff --git a/src/test/ui/associated-types/associated-types-for-unimpl-trait.stderr b/src/test/ui/associated-types/associated-types-for-unimpl-trait.stderr deleted file mode 100644 index 389cc7bed..000000000 --- a/src/test/ui/associated-types/associated-types-for-unimpl-trait.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error[E0277]: the trait bound `Self: Get` is not satisfied - --> $DIR/associated-types-for-unimpl-trait.rs:10:5 - | -LL | fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Get` is not implemented for `Self` - | -help: consider further restricting `Self` - | -LL | fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) where Self: Get {} - | +++++++++++++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/associated-types-from-supertrait.rs b/src/test/ui/associated-types/associated-types-from-supertrait.rs deleted file mode 100644 index 8f40b94c0..000000000 --- a/src/test/ui/associated-types/associated-types-from-supertrait.rs +++ /dev/null @@ -1,8 +0,0 @@ -// run-pass - -trait Foo: Iterator<Item = i32> {} -trait Bar: Foo {} - -fn main() { - let _: &dyn Bar; -} diff --git a/src/test/ui/associated-types/associated-types-impl-redirect.rs b/src/test/ui/associated-types/associated-types-impl-redirect.rs deleted file mode 100644 index 8fa20cdf4..000000000 --- a/src/test/ui/associated-types/associated-types-impl-redirect.rs +++ /dev/null @@ -1,51 +0,0 @@ -// run-pass -#![allow(dead_code)] -#![allow(unused_mut)] -#![allow(unused_imports)] -// Test how resolving a projection interacts with inference. In this -// case, we were eagerly unifying the type variable for the iterator -// type with `I` from the where clause, ignoring the in-scope `impl` -// for `ByRef`. The right answer was to consider the result ambiguous -// until more type information was available. - -#![feature(lang_items)] -#![no_implicit_prelude] - -use std::marker::Sized; -use std::option::Option::{None, Some, self}; - -trait Iterator { - type Item; - - fn next(&mut self) -> Option<Self::Item>; -} - -trait IteratorExt: Iterator + Sized { - fn by_ref(&mut self) -> ByRef<Self> { - ByRef(self) - } -} - -impl<I> IteratorExt for I where I: Iterator {} - -struct ByRef<'a, I: 'a + Iterator>(&'a mut I); - -impl<'a, I: Iterator> Iterator for ByRef<'a, I> { - type Item = I::Item; - - fn next(&mut self) -> Option< <I as Iterator>::Item > { - self.0.next() - } -} - -fn is_iterator_of<A, I: Iterator<Item=A>>(_: &I) {} - -fn test<A, I: Iterator<Item=A>>(mut it: I) { - is_iterator_of::<A, _>(&it.by_ref()); -} - -fn test2<A, I1: Iterator<Item=A>, I2: Iterator<Item=I1::Item>>(mut it: I2) { - is_iterator_of::<A, _>(&it) -} - -fn main() { } diff --git a/src/test/ui/associated-types/associated-types-in-ambiguous-context.rs b/src/test/ui/associated-types/associated-types-in-ambiguous-context.rs deleted file mode 100644 index 51b53908f..000000000 --- a/src/test/ui/associated-types/associated-types-in-ambiguous-context.rs +++ /dev/null @@ -1,29 +0,0 @@ -trait Get { - type Value; - fn get(&self) -> <Self as Get>::Value; -} - -fn get<T:Get,U:Get>(x: T, y: U) -> Get::Value {} -//~^ ERROR ambiguous associated type - -trait Grab { - type Value; - fn grab(&self) -> Grab::Value; - //~^ ERROR ambiguous associated type - - fn get(&self) -> Get::Value; - //~^ ERROR ambiguous associated type -} - -trait Bar {} - -trait Foo where Foo::Assoc: Bar { -//~^ ERROR ambiguous associated type - type Assoc; -} - -type X = std::ops::Deref::Target; -//~^ ERROR ambiguous associated type - -fn main() { -} diff --git a/src/test/ui/associated-types/associated-types-in-ambiguous-context.stderr b/src/test/ui/associated-types/associated-types-in-ambiguous-context.stderr deleted file mode 100644 index 289911779..000000000 --- a/src/test/ui/associated-types/associated-types-in-ambiguous-context.stderr +++ /dev/null @@ -1,33 +0,0 @@ -error[E0223]: ambiguous associated type - --> $DIR/associated-types-in-ambiguous-context.rs:6:36 - | -LL | fn get<T:Get,U:Get>(x: T, y: U) -> Get::Value {} - | ^^^^^^^^^^ help: use fully-qualified syntax: `<Type as Get>::Value` - -error[E0223]: ambiguous associated type - --> $DIR/associated-types-in-ambiguous-context.rs:20:17 - | -LL | trait Foo where Foo::Assoc: Bar { - | ^^^^^^^^^^ help: use fully-qualified syntax: `<Self as Foo>::Assoc` - -error[E0223]: ambiguous associated type - --> $DIR/associated-types-in-ambiguous-context.rs:25:10 - | -LL | type X = std::ops::Deref::Target; - | ^^^^^^^^^^^^^^^^^^^^^^^ help: use fully-qualified syntax: `<Type as Deref>::Target` - -error[E0223]: ambiguous associated type - --> $DIR/associated-types-in-ambiguous-context.rs:11:23 - | -LL | fn grab(&self) -> Grab::Value; - | ^^^^^^^^^^^ help: use fully-qualified syntax: `<Self as Grab>::Value` - -error[E0223]: ambiguous associated type - --> $DIR/associated-types-in-ambiguous-context.rs:14:22 - | -LL | fn get(&self) -> Get::Value; - | ^^^^^^^^^^ help: use fully-qualified syntax: `<Type as Get>::Value` - -error: aborting due to 5 previous errors - -For more information about this error, try `rustc --explain E0223`. diff --git a/src/test/ui/associated-types/associated-types-in-bound-type-arg.rs b/src/test/ui/associated-types/associated-types-in-bound-type-arg.rs deleted file mode 100644 index 88bb5fe0a..000000000 --- a/src/test/ui/associated-types/associated-types-in-bound-type-arg.rs +++ /dev/null @@ -1,17 +0,0 @@ -// run-pass -// Test the case where we resolve `C::Result` and the trait bound -// itself includes a `Self::Item` shorthand. -// -// Regression test for issue #33425. - -trait ParallelIterator { - type Item; - fn drive_unindexed<C>(self, consumer: C) -> C::Result - where C: Consumer<Self::Item>; -} - -pub trait Consumer<ITEM> { - type Result; -} - -fn main() { } diff --git a/src/test/ui/associated-types/associated-types-in-default-method.rs b/src/test/ui/associated-types/associated-types-in-default-method.rs deleted file mode 100644 index 80ffbf585..000000000 --- a/src/test/ui/associated-types/associated-types-in-default-method.rs +++ /dev/null @@ -1,27 +0,0 @@ -// run-pass - -trait Get { - type Value; - fn get(&self) -> &<Self as Get>::Value; - fn grab(&self) -> &<Self as Get>::Value { - self.get() - } -} - -struct Struct { - x: isize, -} - -impl Get for Struct { - type Value = isize; - fn get(&self) -> &isize { - &self.x - } -} - -fn main() { - let s = Struct { - x: 100, - }; - assert_eq!(*s.grab(), 100); -} diff --git a/src/test/ui/associated-types/associated-types-in-fn.rs b/src/test/ui/associated-types/associated-types-in-fn.rs deleted file mode 100644 index 9c588a528..000000000 --- a/src/test/ui/associated-types/associated-types-in-fn.rs +++ /dev/null @@ -1,28 +0,0 @@ -// run-pass - -trait Get { - type Value; - fn get(&self) -> &<Self as Get>::Value; -} - -struct Struct { - x: isize, -} - -impl Get for Struct { - type Value = isize; - fn get(&self) -> &isize { - &self.x - } -} - -fn grab<T:Get>(x: &T) -> &<T as Get>::Value { - x.get() -} - -fn main() { - let s = Struct { - x: 100, - }; - assert_eq!(*grab(&s), 100); -} diff --git a/src/test/ui/associated-types/associated-types-in-impl-generics.rs b/src/test/ui/associated-types/associated-types-in-impl-generics.rs deleted file mode 100644 index 0ddd99cbf..000000000 --- a/src/test/ui/associated-types/associated-types-in-impl-generics.rs +++ /dev/null @@ -1,36 +0,0 @@ -// run-pass - -trait Get { - type Value; - fn get(&self) -> &<Self as Get>::Value; -} - -struct Struct { - x: isize, -} - -impl Get for Struct { - type Value = isize; - fn get(&self) -> &isize { - &self.x - } -} - -trait Grab { - type U; - fn grab(&self) -> &<Self as Grab>::U; -} - -impl<T:Get> Grab for T { - type U = <T as Get>::Value; - fn grab(&self) -> &<T as Get>::Value { - self.get() - } -} - -fn main() { - let s = Struct { - x: 100, - }; - assert_eq!(*s.grab(), 100); -} diff --git a/src/test/ui/associated-types/associated-types-in-inherent-method.rs b/src/test/ui/associated-types/associated-types-in-inherent-method.rs deleted file mode 100644 index 1f29e9668..000000000 --- a/src/test/ui/associated-types/associated-types-in-inherent-method.rs +++ /dev/null @@ -1,30 +0,0 @@ -// run-pass - -trait Get { - type Value; - fn get(&self) -> &<Self as Get>::Value; -} - -struct Struct { - x: isize, -} - -impl Get for Struct { - type Value = isize; - fn get(&self) -> &isize { - &self.x - } -} - -impl Struct { - fn grab<T:Get>(x: &T) -> &<T as Get>::Value { - x.get() - } -} - -fn main() { - let s = Struct { - x: 100, - }; - assert_eq!(*Struct::grab(&s), 100); -} diff --git a/src/test/ui/associated-types/associated-types-incomplete-object.rs b/src/test/ui/associated-types/associated-types-incomplete-object.rs deleted file mode 100644 index 4627dfd2b..000000000 --- a/src/test/ui/associated-types/associated-types-incomplete-object.rs +++ /dev/null @@ -1,31 +0,0 @@ -// Check that the user gets an error if they omit a binding from an -// object type. - -pub trait Foo { - type A; - type B; - fn boo(&self) -> <Self as Foo>::A; -} - -struct Bar; - -impl Foo for isize { - type A = usize; - type B = char; - fn boo(&self) -> usize { - 42 - } -} - -pub fn main() { - let a = &42isize as &dyn Foo<A=usize, B=char>; - - let b = &42isize as &dyn Foo<A=usize>; - //~^ ERROR the value of the associated type `B` (from trait `Foo`) must be specified - - let c = &42isize as &dyn Foo<B=char>; - //~^ ERROR the value of the associated type `A` (from trait `Foo`) must be specified - - let d = &42isize as &dyn Foo; - //~^ ERROR the value of the associated types `A` (from trait `Foo`), `B` (from trait -} diff --git a/src/test/ui/associated-types/associated-types-incomplete-object.stderr b/src/test/ui/associated-types/associated-types-incomplete-object.stderr deleted file mode 100644 index 32866c714..000000000 --- a/src/test/ui/associated-types/associated-types-incomplete-object.stderr +++ /dev/null @@ -1,32 +0,0 @@ -error[E0191]: the value of the associated type `B` (from trait `Foo`) must be specified - --> $DIR/associated-types-incomplete-object.rs:23:30 - | -LL | type B; - | ------ `B` defined here -... -LL | let b = &42isize as &dyn Foo<A=usize>; - | ^^^^^^^^^^^^ help: specify the associated type: `Foo<A=usize, B = Type>` - -error[E0191]: the value of the associated type `A` (from trait `Foo`) must be specified - --> $DIR/associated-types-incomplete-object.rs:26:30 - | -LL | type A; - | ------ `A` defined here -... -LL | let c = &42isize as &dyn Foo<B=char>; - | ^^^^^^^^^^^ help: specify the associated type: `Foo<B=char, A = Type>` - -error[E0191]: the value of the associated types `A` (from trait `Foo`), `B` (from trait `Foo`) must be specified - --> $DIR/associated-types-incomplete-object.rs:29:30 - | -LL | type A; - | ------ `A` defined here -LL | type B; - | ------ `B` defined here -... -LL | let d = &42isize as &dyn Foo; - | ^^^ help: specify the associated types: `Foo<A = Type, B = Type>` - -error: aborting due to 3 previous errors - -For more information about this error, try `rustc --explain E0191`. diff --git a/src/test/ui/associated-types/associated-types-invalid-trait-ref-issue-18865.rs b/src/test/ui/associated-types/associated-types-invalid-trait-ref-issue-18865.rs deleted file mode 100644 index 3bd3f3a75..000000000 --- a/src/test/ui/associated-types/associated-types-invalid-trait-ref-issue-18865.rs +++ /dev/null @@ -1,14 +0,0 @@ -// Test that we report an error if the trait ref in a qualified type -// uses invalid type arguments. - -trait Foo<T> { - type Bar; - fn get_bar(&self) -> Self::Bar; -} - -fn f<T:Foo<isize>>(t: &T) { - let u: <T as Foo<usize>>::Bar = t.get_bar(); - //~^ ERROR the trait bound `T: Foo<usize>` is not satisfied -} - -fn main() { } diff --git a/src/test/ui/associated-types/associated-types-invalid-trait-ref-issue-18865.stderr b/src/test/ui/associated-types/associated-types-invalid-trait-ref-issue-18865.stderr deleted file mode 100644 index 8fecfdf7b..000000000 --- a/src/test/ui/associated-types/associated-types-invalid-trait-ref-issue-18865.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error[E0277]: the trait bound `T: Foo<usize>` is not satisfied - --> $DIR/associated-types-invalid-trait-ref-issue-18865.rs:10:12 - | -LL | let u: <T as Foo<usize>>::Bar = t.get_bar(); - | ^^^^^^^^^^^^^^^^^^^^^^ the trait `Foo<usize>` is not implemented for `T` - | -help: consider further restricting this bound - | -LL | fn f<T:Foo<isize> + Foo<usize>>(t: &T) { - | ++++++++++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/associated-types-issue-17359.rs b/src/test/ui/associated-types/associated-types-issue-17359.rs deleted file mode 100644 index 88a8a6490..000000000 --- a/src/test/ui/associated-types/associated-types-issue-17359.rs +++ /dev/null @@ -1,10 +0,0 @@ -// Test that we do not ICE when an impl is missing an associated type (and that we report -// a useful error, of course). - -trait Trait { - type Type; -} - -impl Trait for isize {} //~ ERROR missing: `Type` - -fn main() {} diff --git a/src/test/ui/associated-types/associated-types-issue-17359.stderr b/src/test/ui/associated-types/associated-types-issue-17359.stderr deleted file mode 100644 index 9e40d8095..000000000 --- a/src/test/ui/associated-types/associated-types-issue-17359.stderr +++ /dev/null @@ -1,12 +0,0 @@ -error[E0046]: not all trait items implemented, missing: `Type` - --> $DIR/associated-types-issue-17359.rs:8:1 - | -LL | type Type; - | --------- `Type` from trait -... -LL | impl Trait for isize {} - | ^^^^^^^^^^^^^^^^^^^^ missing `Type` in implementation - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0046`. diff --git a/src/test/ui/associated-types/associated-types-issue-20220.rs b/src/test/ui/associated-types/associated-types-issue-20220.rs deleted file mode 100644 index 19fa7a608..000000000 --- a/src/test/ui/associated-types/associated-types-issue-20220.rs +++ /dev/null @@ -1,28 +0,0 @@ -// run-pass -// Test references to `Self::Item` in the trait. Issue #20220. - - -use std::vec; - -trait IntoIteratorX { - type Item; - type IntoIter: Iterator<Item=Self::Item>; - - fn into_iter_x(self) -> Self::IntoIter; -} - -impl<T> IntoIteratorX for Vec<T> { - type Item = T; - type IntoIter = vec::IntoIter<T>; - - fn into_iter_x(self) -> vec::IntoIter<T> { - self.into_iter() - } -} - -fn main() { - let vec = vec![1, 2, 3]; - for (i, e) in vec.into_iter().enumerate() { - assert_eq!(i+1, e); - } -} diff --git a/src/test/ui/associated-types/associated-types-issue-20346.rs b/src/test/ui/associated-types/associated-types-issue-20346.rs deleted file mode 100644 index 0cce847e1..000000000 --- a/src/test/ui/associated-types/associated-types-issue-20346.rs +++ /dev/null @@ -1,35 +0,0 @@ -// Test that we reliably check the value of the associated type. - -#![crate_type = "lib"] -#![no_implicit_prelude] - -use std::option::Option::{self, None, Some}; -use std::vec::Vec; - -trait Iterator { - type Item; - - fn next(&mut self) -> Option<Self::Item>; -} - -fn is_iterator_of<A, I: Iterator<Item=A>>(_: &I) {} - -struct Adapter<I> { - iter: I, - found_none: bool, -} - -impl<T, I> Iterator for Adapter<I> where I: Iterator<Item=Option<T>> { - type Item = T; - - fn next(&mut self) -> Option<T> { - loop {} - } -} - -fn test_adapter<T, I: Iterator<Item=Option<T>>>(it: I) { - is_iterator_of::<Option<T>, _>(&it); // Sanity check - let adapter = Adapter { iter: it, found_none: false }; - is_iterator_of::<T, _>(&adapter); // OK - is_iterator_of::<Option<T>, _>(&adapter); //~ ERROR type mismatch -} diff --git a/src/test/ui/associated-types/associated-types-issue-20346.stderr b/src/test/ui/associated-types/associated-types-issue-20346.stderr deleted file mode 100644 index b1708b96e..000000000 --- a/src/test/ui/associated-types/associated-types-issue-20346.stderr +++ /dev/null @@ -1,27 +0,0 @@ -error[E0271]: type mismatch resolving `<Adapter<I> as Iterator>::Item == Option<T>` - --> $DIR/associated-types-issue-20346.rs:34:36 - | -LL | fn test_adapter<T, I: Iterator<Item=Option<T>>>(it: I) { - | - this type parameter -... -LL | is_iterator_of::<Option<T>, _>(&adapter); - | ------------------------------ ^^^^^^^^ type mismatch resolving `<Adapter<I> as Iterator>::Item == Option<T>` - | | - | required by a bound introduced by this call - | -note: expected this to be `Option<T>` - --> $DIR/associated-types-issue-20346.rs:23:17 - | -LL | type Item = T; - | ^ - = note: expected enum `Option<T>` - found type parameter `T` -note: required by a bound in `is_iterator_of` - --> $DIR/associated-types-issue-20346.rs:15:34 - | -LL | fn is_iterator_of<A, I: Iterator<Item=A>>(_: &I) {} - | ^^^^^^ required by this bound in `is_iterator_of` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0271`. diff --git a/src/test/ui/associated-types/associated-types-issue-20371.rs b/src/test/ui/associated-types/associated-types-issue-20371.rs deleted file mode 100644 index ae8a8767d..000000000 --- a/src/test/ui/associated-types/associated-types-issue-20371.rs +++ /dev/null @@ -1,9 +0,0 @@ -// run-pass -// Test that we are able to have an impl that defines an associated type -// before the actual trait. - -// pretty-expanded FIXME #23616 - -impl X for f64 { type Y = isize; } -trait X { type Y; } -fn main() {} diff --git a/src/test/ui/associated-types/associated-types-issue-21212.rs b/src/test/ui/associated-types/associated-types-issue-21212.rs deleted file mode 100644 index ce27eac4d..000000000 --- a/src/test/ui/associated-types/associated-types-issue-21212.rs +++ /dev/null @@ -1,22 +0,0 @@ -// run-pass -#![allow(unused_variables)] -// Regression test for #21212: an overflow occurred during trait -// checking where normalizing `Self::Input` led to normalizing the -// where clauses in the environment which in turn required normalizing -// `Self::Input`. - - -pub trait Parser { - type Input; - - fn parse(input: <Self as Parser>::Input) { - panic!() - } -} - -impl <P> Parser for P { - type Input = (); -} - -fn main() { -} diff --git a/src/test/ui/associated-types/associated-types-iterator-binding.rs b/src/test/ui/associated-types/associated-types-iterator-binding.rs deleted file mode 100644 index 7c5528c98..000000000 --- a/src/test/ui/associated-types/associated-types-iterator-binding.rs +++ /dev/null @@ -1,19 +0,0 @@ -// run-pass - -fn pairwise_sub<T:DoubleEndedIterator<Item=isize>>(mut t: T) -> isize { - let mut result = 0; - loop { - let front = t.next(); - let back = t.next_back(); - match (front, back) { - (Some(f), Some(b)) => { result += b - f; } - _ => { return result; } - } - } -} - -fn main() { - let v = vec![1, 2, 3, 4, 5, 6]; - let r = pairwise_sub(v.into_iter()); - assert_eq!(r, 9); -} diff --git a/src/test/ui/associated-types/associated-types-method.rs b/src/test/ui/associated-types/associated-types-method.rs deleted file mode 100644 index 45df3ac20..000000000 --- a/src/test/ui/associated-types/associated-types-method.rs +++ /dev/null @@ -1,28 +0,0 @@ -// run-pass -// Test that methods whose impl-trait-ref contains associated types -// are supported. - -trait Device { - type Resources; -} -#[allow(unused_tuple_struct_fields)] -struct Foo<D, R>(D, R); - -trait Tr { - fn present(&self) {} -} - -impl<D: Device> Tr for Foo<D, D::Resources> { - fn present(&self) {} -} - -struct Res; -struct Dev; -impl Device for Dev { - type Resources = Res; -} - -fn main() { - let foo = Foo(Dev, Res); - foo.present(); -} diff --git a/src/test/ui/associated-types/associated-types-multiple-types-one-trait.rs b/src/test/ui/associated-types/associated-types-multiple-types-one-trait.rs deleted file mode 100644 index daeaf9011..000000000 --- a/src/test/ui/associated-types/associated-types-multiple-types-one-trait.rs +++ /dev/null @@ -1,46 +0,0 @@ -trait Foo { - type X; - type Y; -} - -fn have_x_want_x<T:Foo<X=u32>>(t: &T) -{ - want_x(t); -} - -fn have_x_want_y<T:Foo<X=u32>>(t: &T) -{ - want_y(t); //~ ERROR type mismatch -} - -fn have_y_want_x<T:Foo<Y=i32>>(t: &T) -{ - want_x(t); //~ ERROR type mismatch -} - -fn have_y_want_y<T:Foo<Y=i32>>(t: &T) -{ - want_y(t); -} - -fn have_xy_want_x<T:Foo<X=u32,Y=i32>>(t: &T) -{ - want_x(t); -} - -fn have_xy_want_y<T:Foo<X=u32,Y=i32>>(t: &T) -{ - want_y(t); -} - -fn have_xy_want_xy<T:Foo<X=u32,Y=i32>>(t: &T) -{ - want_x(t); - want_y(t); -} - -fn want_x<T:Foo<X=u32>>(t: &T) { } - -fn want_y<T:Foo<Y=i32>>(t: &T) { } - -fn main() { } diff --git a/src/test/ui/associated-types/associated-types-multiple-types-one-trait.stderr b/src/test/ui/associated-types/associated-types-multiple-types-one-trait.stderr deleted file mode 100644 index 89cdba524..000000000 --- a/src/test/ui/associated-types/associated-types-multiple-types-one-trait.stderr +++ /dev/null @@ -1,43 +0,0 @@ -error[E0271]: type mismatch resolving `<T as Foo>::Y == i32` - --> $DIR/associated-types-multiple-types-one-trait.rs:13:12 - | -LL | want_y(t); - | ------ ^ expected `i32`, found associated type - | | - | required by a bound introduced by this call - | - = note: expected type `i32` - found associated type `<T as Foo>::Y` -note: required by a bound in `want_y` - --> $DIR/associated-types-multiple-types-one-trait.rs:44:17 - | -LL | fn want_y<T:Foo<Y=i32>>(t: &T) { } - | ^^^^^ required by this bound in `want_y` -help: consider constraining the associated type `<T as Foo>::Y` to `i32` - | -LL | fn have_x_want_y<T:Foo<X=u32, Y = i32>>(t: &T) - | +++++++++ - -error[E0271]: type mismatch resolving `<T as Foo>::X == u32` - --> $DIR/associated-types-multiple-types-one-trait.rs:18:12 - | -LL | want_x(t); - | ------ ^ expected `u32`, found associated type - | | - | required by a bound introduced by this call - | - = note: expected type `u32` - found associated type `<T as Foo>::X` -note: required by a bound in `want_x` - --> $DIR/associated-types-multiple-types-one-trait.rs:42:17 - | -LL | fn want_x<T:Foo<X=u32>>(t: &T) { } - | ^^^^^ required by this bound in `want_x` -help: consider constraining the associated type `<T as Foo>::X` to `u32` - | -LL | fn have_y_want_x<T:Foo<Y=i32, X = u32>>(t: &T) - | +++++++++ - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0271`. diff --git a/src/test/ui/associated-types/associated-types-nested-projections.rs b/src/test/ui/associated-types/associated-types-nested-projections.rs deleted file mode 100644 index 76ba74962..000000000 --- a/src/test/ui/associated-types/associated-types-nested-projections.rs +++ /dev/null @@ -1,44 +0,0 @@ -// run-pass -#![allow(unused_variables)] -// Test that we can resolve nested projection types. Issue #20666. - -// pretty-expanded FIXME #23616 - -use std::slice; - -trait Bound {} - -impl<'a> Bound for &'a i32 {} - -trait IntoIterator { - type Iter: Iterator; - - fn into_iter(self) -> Self::Iter; -} - -impl<'a, T> IntoIterator for &'a [T; 3] { - type Iter = slice::Iter<'a, T>; - - fn into_iter(self) -> slice::Iter<'a, T> { - self.iter() - } -} - -fn foo<X>(x: X) where - X: IntoIterator, - <<X as IntoIterator>::Iter as Iterator>::Item: Bound, -{ -} - -fn bar<T, I, X>(x: X) where - T: Bound, - I: Iterator<Item=T>, - X: IntoIterator<Iter=I>, -{ - -} - -fn main() { - foo(&[0, 1, 2]); - bar(&[0, 1, 2]); -} diff --git a/src/test/ui/associated-types/associated-types-no-suitable-bound.rs b/src/test/ui/associated-types/associated-types-no-suitable-bound.rs deleted file mode 100644 index d42460a4c..000000000 --- a/src/test/ui/associated-types/associated-types-no-suitable-bound.rs +++ /dev/null @@ -1,16 +0,0 @@ -trait Get { - type Value; - fn get(&self) -> <Self as Get>::Value; -} - -struct Struct { - x: isize, -} - -impl Struct { - fn uhoh<T>(foo: <T as Get>::Value) {} - //~^ ERROR the trait bound `T: Get` is not satisfied -} - -fn main() { -} diff --git a/src/test/ui/associated-types/associated-types-no-suitable-bound.stderr b/src/test/ui/associated-types/associated-types-no-suitable-bound.stderr deleted file mode 100644 index 1feaa612e..000000000 --- a/src/test/ui/associated-types/associated-types-no-suitable-bound.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error[E0277]: the trait bound `T: Get` is not satisfied - --> $DIR/associated-types-no-suitable-bound.rs:11:5 - | -LL | fn uhoh<T>(foo: <T as Get>::Value) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Get` is not implemented for `T` - | -help: consider restricting type parameter `T` - | -LL | fn uhoh<T: Get>(foo: <T as Get>::Value) {} - | +++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/associated-types-no-suitable-supertrait-2.rs b/src/test/ui/associated-types/associated-types-no-suitable-supertrait-2.rs deleted file mode 100644 index 17dfa1773..000000000 --- a/src/test/ui/associated-types/associated-types-no-suitable-supertrait-2.rs +++ /dev/null @@ -1,21 +0,0 @@ -// Check that we get an error when you use `<Self as Get>::Value` in -// the trait definition but `Self` does not, in fact, implement `Get`. -// -// See also associated-types-no-suitable-supertrait.rs, which checks -// that we see the same error when making this mistake on an impl -// rather than the default method impl. -// -// See also run-pass/associated-types-projection-to-unrelated-trait.rs, -// which checks that the trait interface itself is not considered an -// error as long as all impls satisfy the constraint. - -trait Get { - type Value; -} - -trait Other { - fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) {} - //~^ ERROR the trait bound `Self: Get` is not satisfied -} - -fn main() { } diff --git a/src/test/ui/associated-types/associated-types-no-suitable-supertrait-2.stderr b/src/test/ui/associated-types/associated-types-no-suitable-supertrait-2.stderr deleted file mode 100644 index cc3ed5561..000000000 --- a/src/test/ui/associated-types/associated-types-no-suitable-supertrait-2.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error[E0277]: the trait bound `Self: Get` is not satisfied - --> $DIR/associated-types-no-suitable-supertrait-2.rs:17:5 - | -LL | fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Get` is not implemented for `Self` - | -help: consider further restricting `Self` - | -LL | fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) where Self: Get {} - | +++++++++++++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/associated-types-no-suitable-supertrait.rs b/src/test/ui/associated-types/associated-types-no-suitable-supertrait.rs deleted file mode 100644 index c373c5855..000000000 --- a/src/test/ui/associated-types/associated-types-no-suitable-supertrait.rs +++ /dev/null @@ -1,26 +0,0 @@ -// Check that we get an error when you use `<Self as Get>::Value` in -// the trait definition but `Self` does not, in fact, implement `Get`. -// -// See also associated-types-no-suitable-supertrait-2.rs, which checks -// that we see the same error if we get around to checking the default -// method body. -// -// See also run-pass/associated-types-projection-to-unrelated-trait.rs, -// which checks that the trait interface itself is not considered an -// error as long as all impls satisfy the constraint. - -trait Get { - type Value; -} - -trait Other { - fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) {} - //~^ ERROR the trait bound `Self: Get` is not satisfied -} - -impl<T:Get> Other for T { - fn uhoh<U:Get>(&self, foo: U, bar: <(T, U) as Get>::Value) {} - //~^ ERROR the trait bound `(T, U): Get` is not satisfied -} - -fn main() { } diff --git a/src/test/ui/associated-types/associated-types-no-suitable-supertrait.stderr b/src/test/ui/associated-types/associated-types-no-suitable-supertrait.stderr deleted file mode 100644 index 18f2830d8..000000000 --- a/src/test/ui/associated-types/associated-types-no-suitable-supertrait.stderr +++ /dev/null @@ -1,20 +0,0 @@ -error[E0277]: the trait bound `(T, U): Get` is not satisfied - --> $DIR/associated-types-no-suitable-supertrait.rs:22:5 - | -LL | fn uhoh<U:Get>(&self, foo: U, bar: <(T, U) as Get>::Value) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Get` is not implemented for `(T, U)` - -error[E0277]: the trait bound `Self: Get` is not satisfied - --> $DIR/associated-types-no-suitable-supertrait.rs:17:5 - | -LL | fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Get` is not implemented for `Self` - | -help: consider further restricting `Self` - | -LL | fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) where Self: Get {} - | +++++++++++++++ - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/associated-types-normalize-in-bounds-binding.rs b/src/test/ui/associated-types/associated-types-normalize-in-bounds-binding.rs deleted file mode 100644 index 7c54efb83..000000000 --- a/src/test/ui/associated-types/associated-types-normalize-in-bounds-binding.rs +++ /dev/null @@ -1,38 +0,0 @@ -// run-pass -#![allow(unused_variables)] -// Test that we normalize associated types that appear in a bound that -// contains a binding. Issue #21664. - -// pretty-expanded FIXME #23616 - -#![allow(dead_code)] - -pub trait Integral { - type Opposite; -} - -impl Integral for i32 { - type Opposite = u32; -} - -impl Integral for u32 { - type Opposite = i32; -} - -pub trait FnLike<A> { - type R; - - fn dummy(&self, a: A) -> Self::R { loop { } } -} - -fn foo<T>() - where T : FnLike<<i32 as Integral>::Opposite, R=bool> -{ - bar::<T>(); -} - -fn bar<T>() - where T : FnLike<u32, R=bool> -{} - -fn main() { } diff --git a/src/test/ui/associated-types/associated-types-normalize-in-bounds-ufcs.rs b/src/test/ui/associated-types/associated-types-normalize-in-bounds-ufcs.rs deleted file mode 100644 index e09aa3663..000000000 --- a/src/test/ui/associated-types/associated-types-normalize-in-bounds-ufcs.rs +++ /dev/null @@ -1,35 +0,0 @@ -// run-pass -#![allow(unused_variables)] -// Test that we normalize associated types that appear in bounds; if -// we didn't, the call to `self.split2()` fails to type check. - -// pretty-expanded FIXME #23616 - -use std::marker::PhantomData; - -struct Splits<'a, T:'a, P>(PhantomData<(&'a T, P)>); -struct SplitsN<I>(PhantomData<I>); - -trait SliceExt2 { - type Item; - - fn split2<'a, P>(&'a self, pred: P) -> Splits<'a, Self::Item, P> - where P: FnMut(&Self::Item) -> bool; - fn splitn2<'a, P>(&'a self, n: u32, pred: P) -> SplitsN<Splits<'a, Self::Item, P>> - where P: FnMut(&Self::Item) -> bool; -} - -impl<T> SliceExt2 for [T] { - type Item = T; - - fn split2<P>(&self, pred: P) -> Splits<T, P> where P: FnMut(&T) -> bool { - loop {} - } - - fn splitn2<P>(&self, n: u32, pred: P) -> SplitsN<Splits<T, P>> where P: FnMut(&T) -> bool { - SliceExt2::split2(self, pred); - loop {} - } -} - -fn main() { } diff --git a/src/test/ui/associated-types/associated-types-normalize-in-bounds.rs b/src/test/ui/associated-types/associated-types-normalize-in-bounds.rs deleted file mode 100644 index dcfae0f37..000000000 --- a/src/test/ui/associated-types/associated-types-normalize-in-bounds.rs +++ /dev/null @@ -1,35 +0,0 @@ -// run-pass -#![allow(unused_variables)] -// Test that we normalize associated types that appear in bounds; if -// we didn't, the call to `self.split2()` fails to type check. - -// pretty-expanded FIXME #23616 - -use std::marker::PhantomData; - -struct Splits<'a, T, P>(PhantomData<(&'a(),T,P)>); -struct SplitsN<I>(PhantomData<I>); - -trait SliceExt2 { - type Item; - - fn split2<'a, P>(&'a self, pred: P) -> Splits<'a, Self::Item, P> - where P: FnMut(&Self::Item) -> bool; - fn splitn2<'a, P>(&'a self, n: usize, pred: P) -> SplitsN<Splits<'a, Self::Item, P>> - where P: FnMut(&Self::Item) -> bool; -} - -impl<T> SliceExt2 for [T] { - type Item = T; - - fn split2<P>(&self, pred: P) -> Splits<T, P> where P: FnMut(&T) -> bool { - loop {} - } - - fn splitn2<P>(&self, n: usize, pred: P) -> SplitsN<Splits<T, P>> where P: FnMut(&T) -> bool { - self.split2(pred); - loop {} - } -} - -fn main() { } diff --git a/src/test/ui/associated-types/associated-types-normalize-unifield-struct.rs b/src/test/ui/associated-types/associated-types-normalize-unifield-struct.rs deleted file mode 100644 index a04525dcd..000000000 --- a/src/test/ui/associated-types/associated-types-normalize-unifield-struct.rs +++ /dev/null @@ -1,24 +0,0 @@ -// run-pass -// Regression test for issue #21010: Normalize associated types in -// various special paths in the `type_is_immediate` function. - -pub trait OffsetState: Sized {} -pub trait Offset { - type State: OffsetState; - fn dummy(&self) { } -} - -#[derive(Copy, Clone)] pub struct X; -impl Offset for X { type State = Y; } - -#[derive(Copy, Clone)] pub struct Y; -impl OffsetState for Y {} - -pub fn now() -> DateTime<X> { from_utc(Y) } - -pub struct DateTime<Off: Offset> { pub offset: Off::State } -pub fn from_utc<Off: Offset>(offset: Off::State) -> DateTime<Off> { DateTime { offset: offset } } - -pub fn main() { - let _x = now(); -} diff --git a/src/test/ui/associated-types/associated-types-outlives.rs b/src/test/ui/associated-types/associated-types-outlives.rs deleted file mode 100644 index 55c276280..000000000 --- a/src/test/ui/associated-types/associated-types-outlives.rs +++ /dev/null @@ -1,28 +0,0 @@ -// Regression test for issue #24622. The older associated types code -// was erroneously assuming that all projections outlived the current -// fn body, causing this (invalid) code to be accepted. - -pub trait Foo<'a> { - type Bar; -} - -impl<'a, T:'a> Foo<'a> for T { - type Bar = &'a T; -} - -fn denormalise<'a, T>(t: &'a T) -> <T as Foo<'a>>::Bar { - t -} - -pub fn free_and_use<T: for<'a> Foo<'a>, - F: for<'a> FnOnce(<T as Foo<'a>>::Bar)>(x: T, f: F) { - let y; - 'body: loop { // lifetime annotations added for clarity - 's: loop { y = denormalise(&x); break } - drop(x); //~ ERROR cannot move out of `x` because it is borrowed - return f(y); - } -} - -pub fn main() { -} diff --git a/src/test/ui/associated-types/associated-types-outlives.stderr b/src/test/ui/associated-types/associated-types-outlives.stderr deleted file mode 100644 index 840e33b4b..000000000 --- a/src/test/ui/associated-types/associated-types-outlives.stderr +++ /dev/null @@ -1,13 +0,0 @@ -error[E0505]: cannot move out of `x` because it is borrowed - --> $DIR/associated-types-outlives.rs:22:14 - | -LL | 's: loop { y = denormalise(&x); break } - | -- borrow of `x` occurs here -LL | drop(x); - | ^ move out of `x` occurs here -LL | return f(y); - | - borrow later used here - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0505`. diff --git a/src/test/ui/associated-types/associated-types-overridden-binding-2.rs b/src/test/ui/associated-types/associated-types-overridden-binding-2.rs deleted file mode 100644 index 26b9f4b3a..000000000 --- a/src/test/ui/associated-types/associated-types-overridden-binding-2.rs +++ /dev/null @@ -1,8 +0,0 @@ -#![feature(trait_alias)] - -trait I32Iterator = Iterator<Item = i32>; - -fn main() { - let _: &dyn I32Iterator<Item = u32> = &vec![42].into_iter(); - //~^ ERROR expected `std::vec::IntoIter<u32>` to be an iterator that yields `i32`, but it yields `u32` -} diff --git a/src/test/ui/associated-types/associated-types-overridden-binding-2.stderr b/src/test/ui/associated-types/associated-types-overridden-binding-2.stderr deleted file mode 100644 index 2d25f68de..000000000 --- a/src/test/ui/associated-types/associated-types-overridden-binding-2.stderr +++ /dev/null @@ -1,11 +0,0 @@ -error[E0271]: expected `std::vec::IntoIter<u32>` to be an iterator that yields `i32`, but it yields `u32` - --> $DIR/associated-types-overridden-binding-2.rs:6:43 - | -LL | let _: &dyn I32Iterator<Item = u32> = &vec![42].into_iter(); - | ^^^^^^^^^^^^^^^^^^^^^ expected `i32`, found `u32` - | - = note: required for the cast from `std::vec::IntoIter<u32>` to the object type `dyn Iterator<Item = u32, Item = i32>` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0271`. diff --git a/src/test/ui/associated-types/associated-types-overridden-binding.rs b/src/test/ui/associated-types/associated-types-overridden-binding.rs deleted file mode 100644 index 9a64a06c3..000000000 --- a/src/test/ui/associated-types/associated-types-overridden-binding.rs +++ /dev/null @@ -1,11 +0,0 @@ -#![feature(trait_alias)] - -trait Foo: Iterator<Item = i32> {} -trait Bar: Foo<Item = u32> {} //~ ERROR type annotations needed - -trait I32Iterator = Iterator<Item = i32>; -trait U32Iterator = I32Iterator<Item = u32>; //~ ERROR type annotations needed - -fn main() { - let _: &dyn I32Iterator<Item = u32>; -} diff --git a/src/test/ui/associated-types/associated-types-overridden-binding.stderr b/src/test/ui/associated-types/associated-types-overridden-binding.stderr deleted file mode 100644 index dc087e418..000000000 --- a/src/test/ui/associated-types/associated-types-overridden-binding.stderr +++ /dev/null @@ -1,27 +0,0 @@ -error[E0284]: type annotations needed: cannot satisfy `<Self as Iterator>::Item == i32` - --> $DIR/associated-types-overridden-binding.rs:4:12 - | -LL | trait Bar: Foo<Item = u32> {} - | ^^^^^^^^^^^^^^^ cannot satisfy `<Self as Iterator>::Item == i32` - | -note: required by a bound in `Foo` - --> $DIR/associated-types-overridden-binding.rs:3:21 - | -LL | trait Foo: Iterator<Item = i32> {} - | ^^^^^^^^^^ required by this bound in `Foo` - -error[E0284]: type annotations needed: cannot satisfy `<Self as Iterator>::Item == i32` - --> $DIR/associated-types-overridden-binding.rs:7:21 - | -LL | trait U32Iterator = I32Iterator<Item = u32>; - | ^^^^^^^^^^^^^^^^^^^^^^^ cannot satisfy `<Self as Iterator>::Item == i32` - | -note: required by a bound in `I32Iterator` - --> $DIR/associated-types-overridden-binding.rs:6:30 - | -LL | trait I32Iterator = Iterator<Item = i32>; - | ^^^^^^^^^^ required by this bound in `I32Iterator` - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0284`. diff --git a/src/test/ui/associated-types/associated-types-overridden-default.rs b/src/test/ui/associated-types/associated-types-overridden-default.rs deleted file mode 100644 index 3e12c9228..000000000 --- a/src/test/ui/associated-types/associated-types-overridden-default.rs +++ /dev/null @@ -1,22 +0,0 @@ -// check-pass - -// Before RFC 2532, overriding one assoc. type default required overriding all -// provided defaults. - -#![feature(associated_type_defaults)] - -pub trait Tr { - type Assoc = u8; - type Assoc2 = Self::Assoc; - const C: u8 = 11; - fn foo(&self) {} -} - -impl Tr for () { - type Assoc = (); -} - -fn main() { - let _: <() as Tr>::Assoc = (); - let _: <() as Tr>::Assoc2 = (); -} diff --git a/src/test/ui/associated-types/associated-types-path-1.rs b/src/test/ui/associated-types/associated-types-path-1.rs deleted file mode 100644 index 46a5c9e7c..000000000 --- a/src/test/ui/associated-types/associated-types-path-1.rs +++ /dev/null @@ -1,13 +0,0 @@ -// Test that we have one and only one associated type per ref. - -pub trait Foo { - type A; -} -pub trait Bar { - type A; -} - -pub fn f1<T>(a: T, x: T::A) {} //~ERROR associated type `A` not found -pub fn f2<T: Foo + Bar>(a: T, x: T::A) {} //~ERROR ambiguous associated type `A` - -pub fn main() {} diff --git a/src/test/ui/associated-types/associated-types-path-1.stderr b/src/test/ui/associated-types/associated-types-path-1.stderr deleted file mode 100644 index a67f77e37..000000000 --- a/src/test/ui/associated-types/associated-types-path-1.stderr +++ /dev/null @@ -1,31 +0,0 @@ -error[E0220]: associated type `A` not found for `T` - --> $DIR/associated-types-path-1.rs:10:26 - | -LL | pub fn f1<T>(a: T, x: T::A) {} - | ^ associated type `A` not found - -error[E0221]: ambiguous associated type `A` in bounds of `T` - --> $DIR/associated-types-path-1.rs:11:34 - | -LL | type A; - | ------ ambiguous `A` from `Foo` -... -LL | type A; - | ------ ambiguous `A` from `Bar` -... -LL | pub fn f2<T: Foo + Bar>(a: T, x: T::A) {} - | ^^^^ ambiguous associated type `A` - | -help: use fully qualified syntax to disambiguate - | -LL | pub fn f2<T: Foo + Bar>(a: T, x: <T as Bar>::A) {} - | ~~~~~~~~~~~~ -help: use fully qualified syntax to disambiguate - | -LL | pub fn f2<T: Foo + Bar>(a: T, x: <T as Foo>::A) {} - | ~~~~~~~~~~~~ - -error: aborting due to 2 previous errors - -Some errors have detailed explanations: E0220, E0221. -For more information about an error, try `rustc --explain E0220`. diff --git a/src/test/ui/associated-types/associated-types-path-2.rs b/src/test/ui/associated-types/associated-types-path-2.rs deleted file mode 100644 index 00066efcc..000000000 --- a/src/test/ui/associated-types/associated-types-path-2.rs +++ /dev/null @@ -1,48 +0,0 @@ -// Test type checking of uses of associated types via sugary paths. - -pub trait Foo { - type A; - - fn dummy(&self) { } -} - -impl Foo for i32 { - type A = u32; -} - -pub fn f1<T: Foo>(a: T, x: T::A) {} -pub fn f2<T: Foo>(a: T) -> T::A { - panic!(); -} - -pub fn f1_int_int() { - f1(2i32, 4i32); - //~^ ERROR mismatched types - //~| expected `u32`, found `i32` -} - -pub fn f1_int_uint() { - f1(2i32, 4u32); -} - -pub fn f1_uint_uint() { - f1(2u32, 4u32); - //~^ ERROR `u32: Foo` is not satisfied - //~| ERROR `u32: Foo` is not satisfied - //~| ERROR `u32: Foo` is not satisfied -} - -pub fn f1_uint_int() { - f1(2u32, 4i32); - //~^ ERROR `u32: Foo` is not satisfied - //~| ERROR `u32: Foo` is not satisfied - //~| ERROR `u32: Foo` is not satisfied -} - -pub fn f2_int() { - let _: i32 = f2(2i32); - //~^ ERROR mismatched types - //~| expected `i32`, found `u32` -} - -pub fn main() { } diff --git a/src/test/ui/associated-types/associated-types-path-2.stderr b/src/test/ui/associated-types/associated-types-path-2.stderr deleted file mode 100644 index 206f49024..000000000 --- a/src/test/ui/associated-types/associated-types-path-2.stderr +++ /dev/null @@ -1,97 +0,0 @@ -error[E0308]: mismatched types - --> $DIR/associated-types-path-2.rs:19:14 - | -LL | f1(2i32, 4i32); - | -- ^^^^ expected `u32`, found `i32` - | | - | arguments to this function are incorrect - | -note: function defined here - --> $DIR/associated-types-path-2.rs:13:8 - | -LL | pub fn f1<T: Foo>(a: T, x: T::A) {} - | ^^ ------- -help: change the type of the numeric literal from `i32` to `u32` - | -LL | f1(2i32, 4u32); - | ~~~ - -error[E0277]: the trait bound `u32: Foo` is not satisfied - --> $DIR/associated-types-path-2.rs:29:8 - | -LL | f1(2u32, 4u32); - | -- ^^^^ the trait `Foo` is not implemented for `u32` - | | - | required by a bound introduced by this call - | - = help: the trait `Foo` is implemented for `i32` -note: required by a bound in `f1` - --> $DIR/associated-types-path-2.rs:13:14 - | -LL | pub fn f1<T: Foo>(a: T, x: T::A) {} - | ^^^ required by this bound in `f1` - -error[E0277]: the trait bound `u32: Foo` is not satisfied - --> $DIR/associated-types-path-2.rs:29:5 - | -LL | f1(2u32, 4u32); - | ^^^^^^^^^^^^^^ the trait `Foo` is not implemented for `u32` - | - = help: the trait `Foo` is implemented for `i32` - -error[E0277]: the trait bound `u32: Foo` is not satisfied - --> $DIR/associated-types-path-2.rs:29:14 - | -LL | f1(2u32, 4u32); - | ^^^^ the trait `Foo` is not implemented for `u32` - | - = help: the trait `Foo` is implemented for `i32` - -error[E0277]: the trait bound `u32: Foo` is not satisfied - --> $DIR/associated-types-path-2.rs:36:8 - | -LL | f1(2u32, 4i32); - | -- ^^^^ the trait `Foo` is not implemented for `u32` - | | - | required by a bound introduced by this call - | - = help: the trait `Foo` is implemented for `i32` -note: required by a bound in `f1` - --> $DIR/associated-types-path-2.rs:13:14 - | -LL | pub fn f1<T: Foo>(a: T, x: T::A) {} - | ^^^ required by this bound in `f1` - -error[E0277]: the trait bound `u32: Foo` is not satisfied - --> $DIR/associated-types-path-2.rs:36:5 - | -LL | f1(2u32, 4i32); - | ^^^^^^^^^^^^^^ the trait `Foo` is not implemented for `u32` - | - = help: the trait `Foo` is implemented for `i32` - -error[E0277]: the trait bound `u32: Foo` is not satisfied - --> $DIR/associated-types-path-2.rs:36:14 - | -LL | f1(2u32, 4i32); - | ^^^^ the trait `Foo` is not implemented for `u32` - | - = help: the trait `Foo` is implemented for `i32` - -error[E0308]: mismatched types - --> $DIR/associated-types-path-2.rs:43:18 - | -LL | let _: i32 = f2(2i32); - | --- ^^^^^^^^ expected `i32`, found `u32` - | | - | expected due to this - | -help: you can convert a `u32` to an `i32` and panic if the converted value doesn't fit - | -LL | let _: i32 = f2(2i32).try_into().unwrap(); - | ++++++++++++++++++++ - -error: aborting due to 8 previous errors - -Some errors have detailed explanations: E0277, E0308. -For more information about an error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/associated-types-project-from-hrtb-in-fn-body.rs b/src/test/ui/associated-types/associated-types-project-from-hrtb-in-fn-body.rs deleted file mode 100644 index 069bf5600..000000000 --- a/src/test/ui/associated-types/associated-types-project-from-hrtb-in-fn-body.rs +++ /dev/null @@ -1,27 +0,0 @@ -// Check projection of an associated type out of a higher-ranked -// trait-bound in the context of a function body. - -pub trait Foo<T> { - type A; - - fn get(&self, t: T) -> Self::A; -} - -fn foo<'a, I : for<'x> Foo<&'x isize>>( - x: <I as Foo<&'a isize>>::A) -{ - let y: I::A = x; -} - -fn bar<'a, 'b, I : for<'x> Foo<&'x isize>>( - x: <I as Foo<&'a isize>>::A, - y: <I as Foo<&'b isize>>::A, - cond: bool) -{ - // x and y here have two distinct lifetimes: - let z: I::A = if cond { x } else { y }; - //~^ ERROR lifetime may not live long enough - //~| ERROR lifetime may not live long enough -} - -pub fn main() {} diff --git a/src/test/ui/associated-types/associated-types-project-from-hrtb-in-fn-body.stderr b/src/test/ui/associated-types/associated-types-project-from-hrtb-in-fn-body.stderr deleted file mode 100644 index e12d42e5e..000000000 --- a/src/test/ui/associated-types/associated-types-project-from-hrtb-in-fn-body.stderr +++ /dev/null @@ -1,30 +0,0 @@ -error: lifetime may not live long enough - --> $DIR/associated-types-project-from-hrtb-in-fn-body.rs:22:29 - | -LL | fn bar<'a, 'b, I : for<'x> Foo<&'x isize>>( - | -- -- lifetime `'b` defined here - | | - | lifetime `'a` defined here -... -LL | let z: I::A = if cond { x } else { y }; - | ^ assignment requires that `'a` must outlive `'b` - | - = help: consider adding the following bound: `'a: 'b` - -error: lifetime may not live long enough - --> $DIR/associated-types-project-from-hrtb-in-fn-body.rs:22:40 - | -LL | fn bar<'a, 'b, I : for<'x> Foo<&'x isize>>( - | -- -- lifetime `'b` defined here - | | - | lifetime `'a` defined here -... -LL | let z: I::A = if cond { x } else { y }; - | ^ assignment requires that `'b` must outlive `'a` - | - = help: consider adding the following bound: `'b: 'a` - -help: `'a` and `'b` must be the same: replace one with the other - -error: aborting due to 2 previous errors - diff --git a/src/test/ui/associated-types/associated-types-project-from-hrtb-in-fn.fixed b/src/test/ui/associated-types/associated-types-project-from-hrtb-in-fn.fixed deleted file mode 100644 index bca69a976..000000000 --- a/src/test/ui/associated-types/associated-types-project-from-hrtb-in-fn.fixed +++ /dev/null @@ -1,37 +0,0 @@ -#![allow(dead_code, unused_variables)] -// run-rustfix -// Check projection of an associated type out of a higher-ranked trait-bound -// in the context of a function signature. - -pub trait Foo<T> { - type A; - - fn get(&self, t: T) -> Self::A; -} - -fn foo2<I : for<'x> Foo<&'x isize>>( - x: <I as Foo<&isize>>::A) - //~^ ERROR cannot use the associated type of a trait with uninferred generic parameters -{ - // This case is illegal because we have to instantiate `'x`, and - // we don't know what region to instantiate it with. - // - // This could perhaps be made equivalent to the examples below, - // specifically for fn signatures. -} - -fn foo3<I : for<'x> Foo<&'x isize>>( - x: <I as Foo<&isize>>::A) -{ - // OK, in this case we spelled out the precise regions involved, though we left one of - // them anonymous. -} - -fn foo4<'a, I : for<'x> Foo<&'x isize>>( - x: <I as Foo<&'a isize>>::A) -{ - // OK, in this case we spelled out the precise regions involved. -} - - -pub fn main() {} diff --git a/src/test/ui/associated-types/associated-types-project-from-hrtb-in-fn.rs b/src/test/ui/associated-types/associated-types-project-from-hrtb-in-fn.rs deleted file mode 100644 index 1e23dd889..000000000 --- a/src/test/ui/associated-types/associated-types-project-from-hrtb-in-fn.rs +++ /dev/null @@ -1,37 +0,0 @@ -#![allow(dead_code, unused_variables)] -// run-rustfix -// Check projection of an associated type out of a higher-ranked trait-bound -// in the context of a function signature. - -pub trait Foo<T> { - type A; - - fn get(&self, t: T) -> Self::A; -} - -fn foo2<I : for<'x> Foo<&'x isize>>( - x: I::A) - //~^ ERROR cannot use the associated type of a trait with uninferred generic parameters -{ - // This case is illegal because we have to instantiate `'x`, and - // we don't know what region to instantiate it with. - // - // This could perhaps be made equivalent to the examples below, - // specifically for fn signatures. -} - -fn foo3<I : for<'x> Foo<&'x isize>>( - x: <I as Foo<&isize>>::A) -{ - // OK, in this case we spelled out the precise regions involved, though we left one of - // them anonymous. -} - -fn foo4<'a, I : for<'x> Foo<&'x isize>>( - x: <I as Foo<&'a isize>>::A) -{ - // OK, in this case we spelled out the precise regions involved. -} - - -pub fn main() {} diff --git a/src/test/ui/associated-types/associated-types-project-from-hrtb-in-fn.stderr b/src/test/ui/associated-types/associated-types-project-from-hrtb-in-fn.stderr deleted file mode 100644 index c508006c3..000000000 --- a/src/test/ui/associated-types/associated-types-project-from-hrtb-in-fn.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error[E0212]: cannot use the associated type of a trait with uninferred generic parameters - --> $DIR/associated-types-project-from-hrtb-in-fn.rs:13:8 - | -LL | x: I::A) - | ^^^^ - | -help: use a fully qualified path with inferred lifetimes - | -LL | x: <I as Foo<&isize>>::A) - | ~~~~~~~~~~~~~~~~~~~~ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0212`. diff --git a/src/test/ui/associated-types/associated-types-project-from-hrtb-in-struct.rs b/src/test/ui/associated-types/associated-types-project-from-hrtb-in-struct.rs deleted file mode 100644 index ed30d86cb..000000000 --- a/src/test/ui/associated-types/associated-types-project-from-hrtb-in-struct.rs +++ /dev/null @@ -1,39 +0,0 @@ -// Check projection of an associated type out of a higher-ranked trait-bound -// in the context of a struct definition. - -pub trait Foo<T> { - type A; - - fn get(&self, t: T) -> Self::A; -} - -struct SomeStruct<I: for<'x> Foo<&'x isize>> { - field: I::A - //~^ ERROR cannot use the associated type of a trait with uninferred generic parameters -} - -enum SomeEnum<'b, I: for<'a> Foo<&'a isize>> { - TupleVariant(I::A), - //~^ ERROR cannot use the associated type of a trait with uninferred generic parameters - StructVariant { field: I::A }, - //~^ ERROR cannot use the associated type of a trait with uninferred generic parameters - OkVariant(&'b usize), -} - -// FIXME(eddyb) This one doesn't even compile because of the unsupported syntax. - -// struct AnotherStruct<I : for<'x> Foo<&'x isize>> { -// field: <I as for<'y> Foo<&'y isize>>::A -// } - -struct YetAnotherStruct<'a, I: for<'x> Foo<&'x isize>> { - field: <I as Foo<&'a isize>>::A, -} - -struct Why<'a, 'b, 'c, 'd, 'e, 'f, 'g, 'h, 'i, 'j, 'k, 'n, 'o, 'p, 'q, 'r, 's, 't, 'u, 'v, 'w, 'x, - 'y, 'z, 'aa, I: for<'l, 'm> Foo<&'l &'m isize>> { - field: I::A, - //~^ ERROR cannot use the associated type of a trait with uninferred generic parameters -} - -pub fn main() {} diff --git a/src/test/ui/associated-types/associated-types-project-from-hrtb-in-struct.stderr b/src/test/ui/associated-types/associated-types-project-from-hrtb-in-struct.stderr deleted file mode 100644 index 62a619723..000000000 --- a/src/test/ui/associated-types/associated-types-project-from-hrtb-in-struct.stderr +++ /dev/null @@ -1,54 +0,0 @@ -error[E0212]: cannot use the associated type of a trait with uninferred generic parameters - --> $DIR/associated-types-project-from-hrtb-in-struct.rs:11:12 - | -LL | field: I::A - | ^^^^ - | -help: use a fully qualified path with explicit lifetimes - | -LL ~ struct SomeStruct<'a, I: for<'x> Foo<&'x isize>> { -LL ~ field: <I as Foo<&'a isize>>::A - | - -error[E0212]: cannot use the associated type of a trait with uninferred generic parameters - --> $DIR/associated-types-project-from-hrtb-in-struct.rs:16:18 - | -LL | TupleVariant(I::A), - | ^^^^ - | -help: use a fully qualified path with explicit lifetimes - | -LL ~ enum SomeEnum<'c, 'b, I: for<'a> Foo<&'a isize>> { -LL ~ TupleVariant(<I as Foo<&'c isize>>::A), - | - -error[E0212]: cannot use the associated type of a trait with uninferred generic parameters - --> $DIR/associated-types-project-from-hrtb-in-struct.rs:18:28 - | -LL | StructVariant { field: I::A }, - | ^^^^ - | -help: use a fully qualified path with explicit lifetimes - | -LL ~ enum SomeEnum<'c, 'b, I: for<'a> Foo<&'a isize>> { -LL | TupleVariant(I::A), -LL | -LL ~ StructVariant { field: <I as Foo<&'c isize>>::A }, - | - -error[E0212]: cannot use the associated type of a trait with uninferred generic parameters - --> $DIR/associated-types-project-from-hrtb-in-struct.rs:35:12 - | -LL | field: I::A, - | ^^^^ - | -help: use a fully qualified path with explicit lifetimes - | -LL ~ struct Why<'bb, 'a, 'b, 'c, 'd, 'e, 'f, 'g, 'h, 'i, 'j, 'k, 'n, 'o, 'p, 'q, 'r, 's, 't, 'u, 'v, 'w, 'x, -LL | 'y, 'z, 'aa, I: for<'l, 'm> Foo<&'l &'m isize>> { -LL ~ field: <I as Foo<&'bb &'bb isize>>::A, - | - -error: aborting due to 4 previous errors - -For more information about this error, try `rustc --explain E0212`. diff --git a/src/test/ui/associated-types/associated-types-project-from-hrtb-in-trait-method.fixed b/src/test/ui/associated-types/associated-types-project-from-hrtb-in-trait-method.fixed deleted file mode 100644 index 66d8613f1..000000000 --- a/src/test/ui/associated-types/associated-types-project-from-hrtb-in-trait-method.fixed +++ /dev/null @@ -1,38 +0,0 @@ -#![allow(dead_code)] -// run-rustfix -// Check projection of an associated type out of a higher-ranked trait-bound -// in the context of a method definition in a trait. - -pub trait Foo<T> { - type A; - - fn get(&self, t: T) -> Self::A; -} - -trait SomeTrait<I : for<'x> Foo<&'x isize>> { - fn some_method(&self, arg: <I as Foo<&isize>>::A); - //~^ ERROR cannot use the associated type of a trait with uninferred generic parameters -} - -trait AnotherTrait<I : for<'x> Foo<&'x isize>> { - fn some_method(&self, arg: <I as Foo<&isize>>::A); -} - -trait YetAnotherTrait<I : for<'x> Foo<&'x isize>> { - fn some_method<'a>(&self, arg: <I as Foo<&'a isize>>::A); -} - -trait Banana<'a> { - type Assoc: Default; -} - -struct Peach<X>(std::marker::PhantomData<X>); - -impl<X: for<'a> Banana<'a>> Peach<X> { - fn mango(&self) -> <X as Banana<'_>>::Assoc { - //~^ ERROR cannot use the associated type of a trait with uninferred generic parameters - Default::default() - } -} - -pub fn main() {} diff --git a/src/test/ui/associated-types/associated-types-project-from-hrtb-in-trait-method.rs b/src/test/ui/associated-types/associated-types-project-from-hrtb-in-trait-method.rs deleted file mode 100644 index 0a1b29de1..000000000 --- a/src/test/ui/associated-types/associated-types-project-from-hrtb-in-trait-method.rs +++ /dev/null @@ -1,38 +0,0 @@ -#![allow(dead_code)] -// run-rustfix -// Check projection of an associated type out of a higher-ranked trait-bound -// in the context of a method definition in a trait. - -pub trait Foo<T> { - type A; - - fn get(&self, t: T) -> Self::A; -} - -trait SomeTrait<I : for<'x> Foo<&'x isize>> { - fn some_method(&self, arg: I::A); - //~^ ERROR cannot use the associated type of a trait with uninferred generic parameters -} - -trait AnotherTrait<I : for<'x> Foo<&'x isize>> { - fn some_method(&self, arg: <I as Foo<&isize>>::A); -} - -trait YetAnotherTrait<I : for<'x> Foo<&'x isize>> { - fn some_method<'a>(&self, arg: <I as Foo<&'a isize>>::A); -} - -trait Banana<'a> { - type Assoc: Default; -} - -struct Peach<X>(std::marker::PhantomData<X>); - -impl<X: for<'a> Banana<'a>> Peach<X> { - fn mango(&self) -> X::Assoc { - //~^ ERROR cannot use the associated type of a trait with uninferred generic parameters - Default::default() - } -} - -pub fn main() {} diff --git a/src/test/ui/associated-types/associated-types-project-from-hrtb-in-trait-method.stderr b/src/test/ui/associated-types/associated-types-project-from-hrtb-in-trait-method.stderr deleted file mode 100644 index 48433b152..000000000 --- a/src/test/ui/associated-types/associated-types-project-from-hrtb-in-trait-method.stderr +++ /dev/null @@ -1,25 +0,0 @@ -error[E0212]: cannot use the associated type of a trait with uninferred generic parameters - --> $DIR/associated-types-project-from-hrtb-in-trait-method.rs:13:32 - | -LL | fn some_method(&self, arg: I::A); - | ^^^^ - | -help: use a fully qualified path with inferred lifetimes - | -LL | fn some_method(&self, arg: <I as Foo<&isize>>::A); - | ~~~~~~~~~~~~~~~~~~~~ - -error[E0212]: cannot use the associated type of a trait with uninferred generic parameters - --> $DIR/associated-types-project-from-hrtb-in-trait-method.rs:32:24 - | -LL | fn mango(&self) -> X::Assoc { - | ^^^^^^^^ - | -help: use a fully qualified path with inferred lifetimes - | -LL | fn mango(&self) -> <X as Banana<'_>>::Assoc { - | ~~~~~~~~~~~~~~~~~~~ - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0212`. diff --git a/src/test/ui/associated-types/associated-types-project-from-type-param-via-bound-in-where.rs b/src/test/ui/associated-types/associated-types-project-from-type-param-via-bound-in-where.rs deleted file mode 100644 index fc1dba97d..000000000 --- a/src/test/ui/associated-types/associated-types-project-from-type-param-via-bound-in-where.rs +++ /dev/null @@ -1,98 +0,0 @@ -// run-pass -// Various uses of `T::Item` syntax where the bound that supplies -// `Item` originates in a where-clause, not the declaration of -// `T`. Issue #20300. - -use std::marker::{PhantomData}; -use std::sync::atomic::{AtomicUsize}; -use std::sync::atomic::Ordering::SeqCst; - -static COUNTER: AtomicUsize = AtomicUsize::new(0); - -// Preamble. -trait Trait { type Item; } -struct Struct; -impl Trait for Struct { - type Item = u32; -} - -// Where-clause attached on the method which declares `T`. -struct A; -impl A { - fn foo<T>(_x: T::Item) where T: Trait { - COUNTER.fetch_add(1, SeqCst); - } -} - -// Where-clause attached on the method to a parameter from the struct. -struct B<T>(PhantomData<T>); -impl<T> B<T> { - fn foo(_x: T::Item) where T: Trait { - COUNTER.fetch_add(10, SeqCst); - } -} - -// Where-clause attached to free fn. -fn c<T>(_: T::Item) where T : Trait { - COUNTER.fetch_add(100, SeqCst); -} - -// Where-clause attached to defaulted and non-defaulted trait method. -trait AnotherTrait { - fn method<T>(&self, _: T::Item) where T: Trait; - fn default_method<T>(&self, _: T::Item) where T: Trait { - COUNTER.fetch_add(1000, SeqCst); - } -} -struct D; -impl AnotherTrait for D { - fn method<T>(&self, _: T::Item) where T: Trait { - COUNTER.fetch_add(10000, SeqCst); - } -} - -// Where-clause attached to trait and impl containing the method. -trait YetAnotherTrait<T> - where T : Trait -{ - fn method(&self, _: T::Item); - fn default_method(&self, _: T::Item) { - COUNTER.fetch_add(100000, SeqCst); - } -} -struct E<T>(PhantomData<T>); -impl<T> YetAnotherTrait<T> for E<T> - where T : Trait -{ - fn method(&self, _: T::Item) { - COUNTER.fetch_add(1000000, SeqCst); - } -} - -// Where-clause attached to inherent impl containing the method. -struct F<T>(PhantomData<T>); -impl<T> F<T> where T : Trait { - fn method(&self, _: T::Item) { - COUNTER.fetch_add(10000000, SeqCst); - } -} - -// Where-clause attached to struct. -#[allow(dead_code)] -struct G<T> where T : Trait { - data: T::Item, - phantom: PhantomData<T>, -} - -fn main() { - A::foo::<Struct>(22); - B::<Struct>::foo(22); - c::<Struct>(22); - D.method::<Struct>(22); - D.default_method::<Struct>(22); - E(PhantomData::<Struct>).method(22); - E(PhantomData::<Struct>).default_method(22); - F(PhantomData::<Struct>).method(22); - G::<Struct> { data: 22, phantom: PhantomData }; - assert_eq!(COUNTER.load(SeqCst), 11111111); -} diff --git a/src/test/ui/associated-types/associated-types-projection-bound-ambiguity.rs b/src/test/ui/associated-types/associated-types-projection-bound-ambiguity.rs deleted file mode 100644 index 353f82e7c..000000000 --- a/src/test/ui/associated-types/associated-types-projection-bound-ambiguity.rs +++ /dev/null @@ -1,16 +0,0 @@ -// Check that if we have multiple applicable projection bounds we pick one (for -// backwards compatibility reasons). - -// check-pass -use std::ops::Mul; - -trait A { - type V; - type U: Mul<Self::V, Output = ()> + Mul<(), Output = ()>; -} - -fn g<T: A<V = ()>>() { - let y: <T::U as Mul<()>>::Output = (); -} - -fn main() {} diff --git a/src/test/ui/associated-types/associated-types-projection-bound-in-supertraits.rs b/src/test/ui/associated-types/associated-types-projection-bound-in-supertraits.rs deleted file mode 100644 index 107e6b4ce..000000000 --- a/src/test/ui/associated-types/associated-types-projection-bound-in-supertraits.rs +++ /dev/null @@ -1,23 +0,0 @@ -// run-pass -#![allow(unused_variables)] -// Test that we correctly handle projection bounds appearing in the -// supertrait list (and in conjunction with overloaded operators). In -// this case, the `Result=Self` binding in the supertrait listing of -// `Int` was being ignored. - -trait Not { - type Result; - - fn not(self) -> Self::Result; -} - -trait Int: Not<Result=Self> + Sized { - fn count_ones(self) -> usize; - fn count_zeros(self) -> usize { - // neither works - let x: Self = self.not(); - 0 - } -} - -fn main() { } diff --git a/src/test/ui/associated-types/associated-types-projection-from-known-type-in-impl.rs b/src/test/ui/associated-types/associated-types-projection-from-known-type-in-impl.rs deleted file mode 100644 index a59c327be..000000000 --- a/src/test/ui/associated-types/associated-types-projection-from-known-type-in-impl.rs +++ /dev/null @@ -1,38 +0,0 @@ -// run-pass -// Test where the impl self type uses a projection from a constant type. - - -trait Int -{ - type T; - - fn dummy(&self) { } -} - -trait NonZero -{ - fn non_zero(self) -> bool; -} - -impl Int for i32 { type T = i32; } -impl Int for i64 { type T = i64; } -impl Int for u32 { type T = u32; } -impl Int for u64 { type T = u64; } - -impl NonZero for <i32 as Int>::T { fn non_zero(self) -> bool { self != 0 } } -impl NonZero for <i64 as Int>::T { fn non_zero(self) -> bool { self != 0 } } -impl NonZero for <u32 as Int>::T { fn non_zero(self) -> bool { self != 0 } } -impl NonZero for <u64 as Int>::T { fn non_zero(self) -> bool { self != 0 } } - -fn main () -{ - assert!(NonZero::non_zero(22_i32)); - assert!(NonZero::non_zero(22_i64)); - assert!(NonZero::non_zero(22_u32)); - assert!(NonZero::non_zero(22_u64)); - - assert!(!NonZero::non_zero(0_i32)); - assert!(!NonZero::non_zero(0_i64)); - assert!(!NonZero::non_zero(0_u32)); - assert!(!NonZero::non_zero(0_u64)); -} diff --git a/src/test/ui/associated-types/associated-types-projection-in-object-type.rs b/src/test/ui/associated-types/associated-types-projection-in-object-type.rs deleted file mode 100644 index eec95a141..000000000 --- a/src/test/ui/associated-types/associated-types-projection-in-object-type.rs +++ /dev/null @@ -1,40 +0,0 @@ -// run-pass -#![allow(dead_code)] -#![allow(unused_imports)] -// Corrected regression test for #20831. The original did not compile. -// When fixed, it revealed another problem concerning projections that -// appear in associated type bindings in object types, which were not -// being properly flagged. - -// pretty-expanded FIXME #23616 - -use std::ops::{Shl, Shr}; -use std::cell::RefCell; - -pub trait Subscriber { - type Input; - - fn dummy(&self) { } -} - -pub trait Publisher<'a> { - type Output; - fn subscribe(&mut self, _: Box<dyn Subscriber<Input=Self::Output> + 'a>); -} - -pub trait Processor<'a> : Subscriber + Publisher<'a> { } - -impl<'a, P> Processor<'a> for P where P : Subscriber + Publisher<'a> { } - -struct MyStruct<'a> { - sub: Box<dyn Subscriber<Input=u64> + 'a> -} - -impl<'a> Publisher<'a> for MyStruct<'a> { - type Output = u64; - fn subscribe(&mut self, t : Box<dyn Subscriber<Input=u64> + 'a>) { - self.sub = t; - } -} - -fn main() {} diff --git a/src/test/ui/associated-types/associated-types-projection-in-supertrait.rs b/src/test/ui/associated-types/associated-types-projection-in-supertrait.rs deleted file mode 100644 index ead405fcf..000000000 --- a/src/test/ui/associated-types/associated-types-projection-in-supertrait.rs +++ /dev/null @@ -1,45 +0,0 @@ -// run-pass -#![allow(dead_code)] -// Test that we are handle to correctly handle a projection type -// that appears in a supertrait bound. Issue #20559. - - -trait A -{ - type TA; - - fn dummy(&self) { } -} - -trait B<TB> -{ - fn foo (&self, t : TB) -> String; -} - -trait C<TC : A> : B<<TC as A>::TA> { } - -struct X; - -impl A for X -{ - type TA = i32; -} - -struct Y; - -impl C<X> for Y { } - -// Both of these impls are required for successful compilation -impl B<i32> for Y -{ - fn foo (&self, t : i32) -> String - { - format!("First {}", t) - } -} - -fn main () -{ - let y = Y; - assert_eq!(y.foo(5), format!("First 5")); -} diff --git a/src/test/ui/associated-types/associated-types-projection-in-where-clause.rs b/src/test/ui/associated-types/associated-types-projection-in-where-clause.rs deleted file mode 100644 index e9a26e53c..000000000 --- a/src/test/ui/associated-types/associated-types-projection-in-where-clause.rs +++ /dev/null @@ -1,31 +0,0 @@ -// run-pass -#![allow(dead_code)] -#![allow(unused_variables)] -// Test a where clause that uses a non-normalized projection type. - -// pretty-expanded FIXME #23616 - -trait Int -{ - type T; - - fn dummy(&self) { } -} - -trait NonZero -{ - fn non_zero(self) -> bool; -} - -fn foo<I:Int<T=J>,J>(t: I) -> bool - where <I as Int>::T : NonZero - // ^~~~~~~~~~~~~ canonical form is just J -{ - bar::<J>() -} - -fn bar<NZ:NonZero>() -> bool { true } - -fn main () -{ -} diff --git a/src/test/ui/associated-types/associated-types-projection-to-unrelated-trait-in-method-without-default.fixed b/src/test/ui/associated-types/associated-types-projection-to-unrelated-trait-in-method-without-default.fixed deleted file mode 100644 index 9bc308465..000000000 --- a/src/test/ui/associated-types/associated-types-projection-to-unrelated-trait-in-method-without-default.fixed +++ /dev/null @@ -1,30 +0,0 @@ -// run-rustfix -// Check that we get an error when you use `<Self as Get>::Value` in -// the trait definition even if there is no default method. - -trait Get { - type Value; -} - -trait Other { - fn okay<U:Get>(&self, foo: U, bar: <Self as Get>::Value) where Self: Get; - //~^ ERROR E0277 -} - -impl Get for () { - type Value = f32; -} - -impl Get for f64 { - type Value = u32; -} - -impl Other for () { - fn okay<U:Get>(&self, _foo: U, _bar: <Self as Get>::Value) { } -} - -impl Other for f64 { - fn okay<U:Get>(&self, _foo: U, _bar: <Self as Get>::Value) { } -} - -fn main() { } diff --git a/src/test/ui/associated-types/associated-types-projection-to-unrelated-trait-in-method-without-default.rs b/src/test/ui/associated-types/associated-types-projection-to-unrelated-trait-in-method-without-default.rs deleted file mode 100644 index 549fc8fc6..000000000 --- a/src/test/ui/associated-types/associated-types-projection-to-unrelated-trait-in-method-without-default.rs +++ /dev/null @@ -1,30 +0,0 @@ -// run-rustfix -// Check that we get an error when you use `<Self as Get>::Value` in -// the trait definition even if there is no default method. - -trait Get { - type Value; -} - -trait Other { - fn okay<U:Get>(&self, foo: U, bar: <Self as Get>::Value); - //~^ ERROR E0277 -} - -impl Get for () { - type Value = f32; -} - -impl Get for f64 { - type Value = u32; -} - -impl Other for () { - fn okay<U:Get>(&self, _foo: U, _bar: <Self as Get>::Value) { } -} - -impl Other for f64 { - fn okay<U:Get>(&self, _foo: U, _bar: <Self as Get>::Value) { } -} - -fn main() { } diff --git a/src/test/ui/associated-types/associated-types-projection-to-unrelated-trait-in-method-without-default.stderr b/src/test/ui/associated-types/associated-types-projection-to-unrelated-trait-in-method-without-default.stderr deleted file mode 100644 index 66d59bccd..000000000 --- a/src/test/ui/associated-types/associated-types-projection-to-unrelated-trait-in-method-without-default.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error[E0277]: the trait bound `Self: Get` is not satisfied - --> $DIR/associated-types-projection-to-unrelated-trait-in-method-without-default.rs:10:5 - | -LL | fn okay<U:Get>(&self, foo: U, bar: <Self as Get>::Value); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Get` is not implemented for `Self` - | -help: consider further restricting `Self` - | -LL | fn okay<U:Get>(&self, foo: U, bar: <Self as Get>::Value) where Self: Get; - | +++++++++++++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/associated-types-projection-to-unrelated-trait.rs b/src/test/ui/associated-types/associated-types-projection-to-unrelated-trait.rs deleted file mode 100644 index 3b8c8c019..000000000 --- a/src/test/ui/associated-types/associated-types-projection-to-unrelated-trait.rs +++ /dev/null @@ -1,35 +0,0 @@ -// run-pass -// Check that we do not get an error when you use `<Self as Get>::Value` in -// the trait definition if there is no default method and for every impl, -// `Self` does implement `Get`. -// -// See also tests associated-types-no-suitable-supertrait -// and associated-types-no-suitable-supertrait-2, which show how small -// variants of the code below can fail. - -trait Get { - type Value; -} - -trait Other { - fn okay<U:Get>(&self, foo: U, bar: <Self as Get>::Value) - where Self: Get; -} - -impl Get for () { - type Value = f32; -} - -impl Get for f64 { - type Value = u32; -} - -impl Other for () { - fn okay<U:Get>(&self, _foo: U, _bar: <Self as Get>::Value) { } -} - -impl Other for f64 { - fn okay<U:Get>(&self, _foo: U, _bar: <Self as Get>::Value) { } -} - -fn main() { } diff --git a/src/test/ui/associated-types/associated-types-qualified-path-with-trait-with-type-parameters.rs b/src/test/ui/associated-types/associated-types-qualified-path-with-trait-with-type-parameters.rs deleted file mode 100644 index 3c830d370..000000000 --- a/src/test/ui/associated-types/associated-types-qualified-path-with-trait-with-type-parameters.rs +++ /dev/null @@ -1,9 +0,0 @@ -// run-pass -// pretty-expanded FIXME #23616 - -trait Foo<T> { - type Bar; - fn get_bar() -> <Self as Foo<T>>::Bar; -} - -fn main() { } diff --git a/src/test/ui/associated-types/associated-types-ref-from-struct.rs b/src/test/ui/associated-types/associated-types-ref-from-struct.rs deleted file mode 100644 index c89f6046e..000000000 --- a/src/test/ui/associated-types/associated-types-ref-from-struct.rs +++ /dev/null @@ -1,51 +0,0 @@ -// run-pass -// Test associated type references in structure fields. - -// pretty-expanded FIXME #23616 - -trait Test { - type V; - - fn test(&self, value: &Self::V) -> bool; -} - -struct TesterPair<T:Test> { - tester: T, - value: T::V, -} - -impl<T:Test> TesterPair<T> { - fn new(tester: T, value: T::V) -> TesterPair<T> { - TesterPair { tester: tester, value: value } - } - - fn test(&self) -> bool { - self.tester.test(&self.value) - } -} - -struct EqU32(u32); -impl Test for EqU32 { - type V = u32; - - fn test(&self, value: &u32) -> bool { - self.0 == *value - } -} - -struct EqI32(i32); -impl Test for EqI32 { - type V = i32; - - fn test(&self, value: &i32) -> bool { - self.0 == *value - } -} - -fn main() { - let tester = TesterPair::new(EqU32(22), 23); - tester.test(); - - let tester = TesterPair::new(EqI32(22), 23); - tester.test(); -} diff --git a/src/test/ui/associated-types/associated-types-ref-in-struct-literal.rs b/src/test/ui/associated-types/associated-types-ref-in-struct-literal.rs deleted file mode 100644 index 4a490ed03..000000000 --- a/src/test/ui/associated-types/associated-types-ref-in-struct-literal.rs +++ /dev/null @@ -1,23 +0,0 @@ -// run-pass -// Test associated type references in a struct literal. Issue #20535. - - -pub trait Foo { - type Bar; - - fn dummy(&self) { } -} - -impl Foo for isize { - type Bar = isize; -} - -struct Thing<F: Foo> { - a: F, - b: F::Bar, -} - -fn main() { - let thing = Thing{a: 1, b: 2}; - assert_eq!(thing.a + 1, thing.b); -} diff --git a/src/test/ui/associated-types/associated-types-region-erasure-issue-20582.rs b/src/test/ui/associated-types/associated-types-region-erasure-issue-20582.rs deleted file mode 100644 index b722506db..000000000 --- a/src/test/ui/associated-types/associated-types-region-erasure-issue-20582.rs +++ /dev/null @@ -1,21 +0,0 @@ -// run-pass -#![allow(dead_code)] -// Regression test for #20582. This test caused an ICE related to -// inconsistent region erasure in codegen. - -// pretty-expanded FIXME #23616 - -struct Foo<'a> { - buf: &'a[u8] -} - -impl<'a> Iterator for Foo<'a> { - type Item = &'a[u8]; - - fn next(&mut self) -> Option<<Self as Iterator>::Item> { - Some(self.buf) - } -} - -fn main() { -} diff --git a/src/test/ui/associated-types/associated-types-resolve-lifetime.rs b/src/test/ui/associated-types/associated-types-resolve-lifetime.rs deleted file mode 100644 index 52f2324d7..000000000 --- a/src/test/ui/associated-types/associated-types-resolve-lifetime.rs +++ /dev/null @@ -1,15 +0,0 @@ -// run-pass -// pretty-expanded FIXME #23616 - -trait Get<T> { - fn get(&self) -> T; -} - -trait Trait<'a> { - type T: 'static; - type U: Get<&'a isize>; - - fn dummy(&'a self) { } -} - -fn main() {} diff --git a/src/test/ui/associated-types/associated-types-return.rs b/src/test/ui/associated-types/associated-types-return.rs deleted file mode 100644 index 997a48b03..000000000 --- a/src/test/ui/associated-types/associated-types-return.rs +++ /dev/null @@ -1,46 +0,0 @@ -// run-pass -// Test equality constraints on associated types in a where clause. - - -pub trait Foo { - type A; - fn boo(&self) -> <Self as Foo>::A; -} - -#[derive(PartialEq, Debug)] -pub struct Bar; - -impl Foo for isize { - type A = usize; - fn boo(&self) -> usize { 42 } -} - -impl Foo for Bar { - type A = isize; - fn boo(&self) -> isize { 43 } -} - -impl Foo for char { - type A = Bar; - fn boo(&self) -> Bar { Bar } -} - -fn foo1<I: Foo<A=Bar>>(x: I) -> Bar { - x.boo() -} - -fn foo2<I: Foo>(x: I) -> <I as Foo>::A { - x.boo() -} - -pub fn main() { - let a = 42; - assert_eq!(foo2(a), 42); - - let a = Bar; - assert_eq!(foo2(a), 43); - - let a = 'a'; - foo1(a); - assert_eq!(foo2(a), Bar); -} diff --git a/src/test/ui/associated-types/associated-types-simple.rs b/src/test/ui/associated-types/associated-types-simple.rs deleted file mode 100644 index 2e2dfd807..000000000 --- a/src/test/ui/associated-types/associated-types-simple.rs +++ /dev/null @@ -1,24 +0,0 @@ -// run-pass - -trait Get { - type Value; - fn get(&self) -> &<Self as Get>::Value; -} - -struct Struct { - x: isize, -} - -impl Get for Struct { - type Value = isize; - fn get(&self) -> &isize { - &self.x - } -} - -fn main() { - let s = Struct { - x: 100, - }; - assert_eq!(*s.get(), 100); -} diff --git a/src/test/ui/associated-types/associated-types-stream.rs b/src/test/ui/associated-types/associated-types-stream.rs deleted file mode 100644 index c9b302b96..000000000 --- a/src/test/ui/associated-types/associated-types-stream.rs +++ /dev/null @@ -1,38 +0,0 @@ -// run-pass -// Test references to the trait `Stream` in the bounds for associated -// types defined on `Stream`. Issue #20551. - -trait Stream { - type Car; - type Cdr: Stream; - - fn car(&self) -> Self::Car; - fn cdr(self) -> Self::Cdr; -} - -impl Stream for () { - type Car = (); - type Cdr = (); - fn car(&self) -> () { () } - fn cdr(self) -> () { self } -} - -impl<T,U> Stream for (T, U) - where T : Clone, U : Stream -{ - type Car = T; - type Cdr = U; - fn car(&self) -> T { self.0.clone() } - fn cdr(self) -> U { self.1 } -} - -fn main() { - let p = (22, (44, (66, ()))); - assert_eq!(p.car(), 22); - - let p = p.cdr(); - assert_eq!(p.car(), 44); - - let p = p.cdr(); - assert_eq!(p.car(), 66); -} diff --git a/src/test/ui/associated-types/associated-types-struct-field-named.rs b/src/test/ui/associated-types/associated-types-struct-field-named.rs deleted file mode 100644 index c400bf943..000000000 --- a/src/test/ui/associated-types/associated-types-struct-field-named.rs +++ /dev/null @@ -1,35 +0,0 @@ -// run-pass -// Test that we correctly normalize the type of a struct field -// which has an associated type. - - -pub trait UnifyKey { - type Value; - - fn dummy(&self) { } -} - -pub struct Node<K:UnifyKey> { - pub key: K, - pub value: K::Value, -} - -fn foo<K : UnifyKey<Value=Option<V>>,V : Clone>(node: &Node<K>) -> Option<V> { - node.value.clone() -} - -impl UnifyKey for i32 { - type Value = Option<u32>; -} - -impl UnifyKey for u32 { - type Value = Option<i32>; -} - -pub fn main() { - let node: Node<i32> = Node { key: 1, value: Some(22) }; - assert_eq!(foo(&node), Some(22)); - - let node: Node<u32> = Node { key: 1, value: Some(22) }; - assert_eq!(foo(&node), Some(22)); -} diff --git a/src/test/ui/associated-types/associated-types-struct-field-numbered.rs b/src/test/ui/associated-types/associated-types-struct-field-numbered.rs deleted file mode 100644 index 8612911d8..000000000 --- a/src/test/ui/associated-types/associated-types-struct-field-numbered.rs +++ /dev/null @@ -1,32 +0,0 @@ -// run-pass -// Test that we correctly normalize the type of a struct field -// which has an associated type. - - -pub trait UnifyKey { - type Value; - - fn dummy(&self) { } -} - -pub struct Node<K:UnifyKey>(#[allow(unused_tuple_struct_fields)] K, K::Value); - -fn foo<K : UnifyKey<Value=Option<V>>,V : Clone>(node: &Node<K>) -> Option<V> { - node.1.clone() -} - -impl UnifyKey for i32 { - type Value = Option<u32>; -} - -impl UnifyKey for u32 { - type Value = Option<i32>; -} - -pub fn main() { - let node: Node<i32> = Node(1, Some(22)); - assert_eq!(foo(&node), Some(22)); - - let node: Node<u32> = Node(1, Some(22)); - assert_eq!(foo(&node), Some(22)); -} diff --git a/src/test/ui/associated-types/associated-types-subtyping-1.rs b/src/test/ui/associated-types/associated-types-subtyping-1.rs deleted file mode 100644 index c4758f255..000000000 --- a/src/test/ui/associated-types/associated-types-subtyping-1.rs +++ /dev/null @@ -1,49 +0,0 @@ -#![allow(unused_variables)] - -fn make_any<T>() -> T { loop {} } - -trait Trait<'a> { - type Type; - - fn method(&'a self) { } -} - -fn method1<'a,'b,T>(x: &'a T, y: &'b T) - where T : for<'z> Trait<'z>, 'a : 'b -{ - // Note that &'static T <: &'a T. - let a: <T as Trait<'a>>::Type = make_any(); - let b: <T as Trait<'b>>::Type = make_any(); - let _c: <T as Trait<'a>>::Type = a; -} - -fn method2<'a,'b,T>(x: &'a T, y: &'b T) - where T : for<'z> Trait<'z>, 'a : 'b -{ - // Note that &'static T <: &'a T. - let a: <T as Trait<'a>>::Type = make_any(); - //~^ ERROR lifetime may not live long enough - let b: <T as Trait<'b>>::Type = make_any(); - let _c: <T as Trait<'b>>::Type = a; -} - -fn method3<'a,'b,T>(x: &'a T, y: &'b T) - where T : for<'z> Trait<'z>, 'a : 'b -{ - // Note that &'static T <: &'a T. - let a: <T as Trait<'a>>::Type = make_any(); - let b: <T as Trait<'b>>::Type = make_any(); - let _c: <T as Trait<'a>>::Type = b; - //~^ ERROR lifetime may not live long enough -} - -fn method4<'a,'b,T>(x: &'a T, y: &'b T) - where T : for<'z> Trait<'z>, 'a : 'b -{ - // Note that &'static T <: &'a T. - let a: <T as Trait<'a>>::Type = make_any(); - let b: <T as Trait<'b>>::Type = make_any(); - let _c: <T as Trait<'b>>::Type = b; -} - -fn main() { } diff --git a/src/test/ui/associated-types/associated-types-subtyping-1.stderr b/src/test/ui/associated-types/associated-types-subtyping-1.stderr deleted file mode 100644 index 414bc048a..000000000 --- a/src/test/ui/associated-types/associated-types-subtyping-1.stderr +++ /dev/null @@ -1,28 +0,0 @@ -error: lifetime may not live long enough - --> $DIR/associated-types-subtyping-1.rs:24:12 - | -LL | fn method2<'a,'b,T>(x: &'a T, y: &'b T) - | -- -- lifetime `'b` defined here - | | - | lifetime `'a` defined here -... -LL | let a: <T as Trait<'a>>::Type = make_any(); - | ^^^^^^^^^^^^^^^^^^^^^^ type annotation requires that `'b` must outlive `'a` - | - = help: consider adding the following bound: `'b: 'a` - -error: lifetime may not live long enough - --> $DIR/associated-types-subtyping-1.rs:36:13 - | -LL | fn method3<'a,'b,T>(x: &'a T, y: &'b T) - | -- -- lifetime `'b` defined here - | | - | lifetime `'a` defined here -... -LL | let _c: <T as Trait<'a>>::Type = b; - | ^^^^^^^^^^^^^^^^^^^^^^ type annotation requires that `'b` must outlive `'a` - | - = help: consider adding the following bound: `'b: 'a` - -error: aborting due to 2 previous errors - diff --git a/src/test/ui/associated-types/associated-types-sugar-path.rs b/src/test/ui/associated-types/associated-types-sugar-path.rs deleted file mode 100644 index 66f7672aa..000000000 --- a/src/test/ui/associated-types/associated-types-sugar-path.rs +++ /dev/null @@ -1,41 +0,0 @@ -// run-pass -#![allow(dead_code)] -#![allow(unused_variables)] -#![allow(unused_imports)] -// Test paths to associated types using the type-parameter-only sugar. - -use std::ops::Deref; - -pub trait Foo { - type A; - fn boo(&self) -> Self::A; -} - -impl Foo for isize { - type A = usize; - fn boo(&self) -> usize { - 5 - } -} - -// Using a type via a function. -pub fn bar<T: Foo>(a: T, x: T::A) -> T::A { - let _: T::A = a.boo(); - x -} - -// Using a type via an impl. -trait C { - fn f(); - fn g(&self) { } -} -struct B<X>(X); -impl<T: Foo> C for B<T> { - fn f() { - let x: T::A = panic!(); - } -} - -pub fn main() { - let z: usize = bar(2, 4); -} diff --git a/src/test/ui/associated-types/associated-types-unconstrained.rs b/src/test/ui/associated-types/associated-types-unconstrained.rs deleted file mode 100644 index 2fb27bf3c..000000000 --- a/src/test/ui/associated-types/associated-types-unconstrained.rs +++ /dev/null @@ -1,16 +0,0 @@ -// Check that an associated type cannot be bound in an expression path. - -trait Foo { - type A; - fn bar() -> isize; -} - -impl Foo for isize { - type A = usize; - fn bar() -> isize { 42 } -} - -pub fn main() { - let x: isize = Foo::bar(); - //~^ ERROR E0790 -} diff --git a/src/test/ui/associated-types/associated-types-unconstrained.stderr b/src/test/ui/associated-types/associated-types-unconstrained.stderr deleted file mode 100644 index e51a8f3bd..000000000 --- a/src/test/ui/associated-types/associated-types-unconstrained.stderr +++ /dev/null @@ -1,12 +0,0 @@ -error[E0790]: cannot call associated function on trait without specifying the corresponding `impl` type - --> $DIR/associated-types-unconstrained.rs:14:20 - | -LL | fn bar() -> isize; - | ------------------ `Foo::bar` defined here -... -LL | let x: isize = Foo::bar(); - | ^^^^^^^^ cannot call associated function of trait - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0790`. diff --git a/src/test/ui/associated-types/associated-types-unsized.fixed b/src/test/ui/associated-types/associated-types-unsized.fixed deleted file mode 100644 index 328c8f944..000000000 --- a/src/test/ui/associated-types/associated-types-unsized.fixed +++ /dev/null @@ -1,14 +0,0 @@ -// run-rustfix -#![allow(dead_code, unused_variables)] - -trait Get { - type Value: ?Sized; - fn get(&self) -> <Self as Get>::Value; -} - -fn foo<T:Get>(t: T) where <T as Get>::Value: Sized { - let x = t.get(); //~ ERROR the size for values of type -} - -fn main() { -} diff --git a/src/test/ui/associated-types/associated-types-unsized.rs b/src/test/ui/associated-types/associated-types-unsized.rs deleted file mode 100644 index bdba4c7ff..000000000 --- a/src/test/ui/associated-types/associated-types-unsized.rs +++ /dev/null @@ -1,14 +0,0 @@ -// run-rustfix -#![allow(dead_code, unused_variables)] - -trait Get { - type Value: ?Sized; - fn get(&self) -> <Self as Get>::Value; -} - -fn foo<T:Get>(t: T) { - let x = t.get(); //~ ERROR the size for values of type -} - -fn main() { -} diff --git a/src/test/ui/associated-types/associated-types-unsized.stderr b/src/test/ui/associated-types/associated-types-unsized.stderr deleted file mode 100644 index bec9b1500..000000000 --- a/src/test/ui/associated-types/associated-types-unsized.stderr +++ /dev/null @@ -1,17 +0,0 @@ -error[E0277]: the size for values of type `<T as Get>::Value` cannot be known at compilation time - --> $DIR/associated-types-unsized.rs:10:9 - | -LL | let x = t.get(); - | ^ doesn't have a size known at compile-time - | - = help: the trait `Sized` is not implemented for `<T as Get>::Value` - = note: all local variables must have a statically known size - = help: unsized locals are gated as an unstable feature -help: consider further restricting the associated type - | -LL | fn foo<T:Get>(t: T) where <T as Get>::Value: Sized { - | ++++++++++++++++++++++++++++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/associated-types-where-clause-impl-ambiguity.rs b/src/test/ui/associated-types/associated-types-where-clause-impl-ambiguity.rs deleted file mode 100644 index f2a4c6e42..000000000 --- a/src/test/ui/associated-types/associated-types-where-clause-impl-ambiguity.rs +++ /dev/null @@ -1,46 +0,0 @@ -// run-pass -#![allow(dead_code)] -#![allow(unused_imports)] -// Test how resolving a projection interacts with inference. In this -// case, we were eagerly unifying the type variable for the iterator -// type with `I` from the where clause, ignoring the in-scope `impl` -// for `ByRef`. The right answer was to consider the result ambiguous -// until more type information was available. - -#![feature(lang_items)] -#![no_implicit_prelude] - -use std::marker::Sized; -use std::option::Option::{None, Some, self}; - -trait Iterator { - type Item; - - fn next(&mut self) -> Option<Self::Item>; -} - -trait IteratorExt: Iterator + Sized { - fn by_ref(&mut self) -> ByRef<Self> { - ByRef(self) - } -} - -impl<I> IteratorExt for I where I: Iterator {} - -struct ByRef<'a, I: 'a + Iterator>(&'a mut I); - -impl<'a, A, I> Iterator for ByRef<'a, I> where I: Iterator<Item=A> { - type Item = A; - - fn next(&mut self) -> Option< <I as Iterator>::Item > { - self.0.next() - } -} - -fn is_iterator_of<A, I: Iterator<Item=A>>(_: &I) {} - -fn test<A, I: Iterator<Item=A>>(mut it: I) { - is_iterator_of::<A, _>(&it.by_ref()); -} - -fn main() { } diff --git a/src/test/ui/associated-types/auxiliary/associated-types-cc-lib.rs b/src/test/ui/associated-types/auxiliary/associated-types-cc-lib.rs deleted file mode 100644 index b67853587..000000000 --- a/src/test/ui/associated-types/auxiliary/associated-types-cc-lib.rs +++ /dev/null @@ -1,16 +0,0 @@ -// Helper for test issue-18048, which tests associated types in a -// cross-crate scenario. - -#![crate_type="lib"] - -pub trait Bar: Sized { - type T; - - fn get(x: Option<Self>) -> <Self as Bar>::T; -} - -impl Bar for isize { - type T = usize; - - fn get(_: Option<isize>) -> usize { 22 } -} diff --git a/src/test/ui/associated-types/bound-lifetime-constrained.clause.stderr b/src/test/ui/associated-types/bound-lifetime-constrained.clause.stderr deleted file mode 100644 index f089f27f0..000000000 --- a/src/test/ui/associated-types/bound-lifetime-constrained.clause.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error[E0582]: binding for associated type `Output` references lifetime `'a`, which does not appear in the trait input types - --> $DIR/bound-lifetime-constrained.rs:38:63 - | -LL | fn clause1<T>() where T: for<'a> Fn(<() as Foo<'a>>::Item) -> &'a i32 { - | ^^^^^^^ - -error[E0582]: binding for associated type `Output` references lifetime `'a`, which does not appear in the trait input types - --> $DIR/bound-lifetime-constrained.rs:43:42 - | -LL | fn clause2<T>() where T: for<'a> Fn() -> <() as Foo<'a>>::Item { - | ^^^^^^^^^^^^^^^^^^^^^ - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0582`. diff --git a/src/test/ui/associated-types/bound-lifetime-constrained.func.stderr b/src/test/ui/associated-types/bound-lifetime-constrained.func.stderr deleted file mode 100644 index 88d15a171..000000000 --- a/src/test/ui/associated-types/bound-lifetime-constrained.func.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error[E0581]: return type references lifetime `'a`, which is not constrained by the fn input types - --> $DIR/bound-lifetime-constrained.rs:16:50 - | -LL | fn func1(_: for<'a> fn(<() as Foo<'a>>::Item) -> &'a i32) { - | ^^^^^^^ - -error[E0581]: return type references lifetime `'a`, which is not constrained by the fn input types - --> $DIR/bound-lifetime-constrained.rs:23:29 - | -LL | fn func2(_: for<'a> fn() -> <() as Foo<'a>>::Item) { - | ^^^^^^^^^^^^^^^^^^^^^ - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0581`. diff --git a/src/test/ui/associated-types/bound-lifetime-constrained.object.stderr b/src/test/ui/associated-types/bound-lifetime-constrained.object.stderr deleted file mode 100644 index 36fa06cce..000000000 --- a/src/test/ui/associated-types/bound-lifetime-constrained.object.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error[E0582]: binding for associated type `Output` references lifetime `'a`, which does not appear in the trait input types - --> $DIR/bound-lifetime-constrained.rs:28:60 - | -LL | fn object1(_: Box<dyn for<'a> Fn(<() as Foo<'a>>::Item) -> &'a i32>) { - | ^^^^^^^ - -error[E0582]: binding for associated type `Output` references lifetime `'a`, which does not appear in the trait input types - --> $DIR/bound-lifetime-constrained.rs:33:39 - | -LL | fn object2(_: Box<dyn for<'a> Fn() -> <() as Foo<'a>>::Item>) { - | ^^^^^^^^^^^^^^^^^^^^^ - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0582`. diff --git a/src/test/ui/associated-types/bound-lifetime-constrained.rs b/src/test/ui/associated-types/bound-lifetime-constrained.rs deleted file mode 100644 index 4e6754c86..000000000 --- a/src/test/ui/associated-types/bound-lifetime-constrained.rs +++ /dev/null @@ -1,48 +0,0 @@ -// revisions: func object clause - -#![allow(dead_code)] -#![feature(rustc_attrs)] - -trait Foo<'a> { - type Item; -} - -impl<'a> Foo<'a> for() { - type Item = (); -} - -// Check that appearing in a projection input in the argument is not enough: -#[cfg(func)] -fn func1(_: for<'a> fn(<() as Foo<'a>>::Item) -> &'a i32) { - //[func]~^ ERROR E0581 -} - -// Check that appearing in a projection input in the return still -// causes an error: -#[cfg(func)] -fn func2(_: for<'a> fn() -> <() as Foo<'a>>::Item) { - //[func]~^ ERROR E0581 -} - -#[cfg(object)] -fn object1(_: Box<dyn for<'a> Fn(<() as Foo<'a>>::Item) -> &'a i32>) { - //[object]~^ ERROR E0582 -} - -#[cfg(object)] -fn object2(_: Box<dyn for<'a> Fn() -> <() as Foo<'a>>::Item>) { - //[object]~^ ERROR E0582 -} - -#[cfg(clause)] -fn clause1<T>() where T: for<'a> Fn(<() as Foo<'a>>::Item) -> &'a i32 { - //[clause]~^ ERROR `Output` references lifetime `'a` -} - -#[cfg(clause)] -fn clause2<T>() where T: for<'a> Fn() -> <() as Foo<'a>>::Item { - //[clause]~^ ERROR `Output` references lifetime `'a` -} - -#[rustc_error] -fn main() { } //[ok]~ ERROR fatal error triggered by #[rustc_error] diff --git a/src/test/ui/associated-types/bound-lifetime-in-binding-only.angle.stderr b/src/test/ui/associated-types/bound-lifetime-in-binding-only.angle.stderr deleted file mode 100644 index 54f4bb907..000000000 --- a/src/test/ui/associated-types/bound-lifetime-in-binding-only.angle.stderr +++ /dev/null @@ -1,27 +0,0 @@ -error[E0582]: binding for associated type `Item` references lifetime `'a`, which does not appear in the trait input types - --> $DIR/bound-lifetime-in-binding-only.rs:12:25 - | -LL | fn angle<T: for<'a> Foo<Item=&'a i32>>() { - | ^^^^^^^^^^^^ - -error[E0582]: binding for associated type `Item` references lifetime `'a`, which does not appear in the trait input types - --> $DIR/bound-lifetime-in-binding-only.rs:17:37 - | -LL | fn angle1<T>() where T: for<'a> Foo<Item=&'a i32> { - | ^^^^^^^^^^^^ - -error[E0582]: binding for associated type `Item` references lifetime `'a`, which does not appear in the trait input types - --> $DIR/bound-lifetime-in-binding-only.rs:22:37 - | -LL | fn angle2<T>() where for<'a> T: Foo<Item=&'a i32> { - | ^^^^^^^^^^^^ - -error[E0582]: binding for associated type `Item` references lifetime `'a`, which does not appear in the trait input types - --> $DIR/bound-lifetime-in-binding-only.rs:27:31 - | -LL | fn angle3(_: &dyn for<'a> Foo<Item=&'a i32>) { - | ^^^^^^^^^^^^ - -error: aborting due to 4 previous errors - -For more information about this error, try `rustc --explain E0582`. diff --git a/src/test/ui/associated-types/bound-lifetime-in-binding-only.elision.stderr b/src/test/ui/associated-types/bound-lifetime-in-binding-only.elision.stderr deleted file mode 100644 index 4de4afb6e..000000000 --- a/src/test/ui/associated-types/bound-lifetime-in-binding-only.elision.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error[E0106]: missing lifetime specifier - --> $DIR/bound-lifetime-in-binding-only.rs:52:23 - | -LL | fn elision<T: Fn() -> &i32>() { - | ^ expected named lifetime parameter - | - = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from -help: consider using the `'static` lifetime - | -LL | fn elision<T: Fn() -> &'static i32>() { - | +++++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0106`. diff --git a/src/test/ui/associated-types/bound-lifetime-in-binding-only.ok.stderr b/src/test/ui/associated-types/bound-lifetime-in-binding-only.ok.stderr deleted file mode 100644 index b709fae5a..000000000 --- a/src/test/ui/associated-types/bound-lifetime-in-binding-only.ok.stderr +++ /dev/null @@ -1,8 +0,0 @@ -error: fatal error triggered by #[rustc_error] - --> $DIR/bound-lifetime-in-binding-only.rs:71:1 - | -LL | fn main() { } - | ^^^^^^^^^ - -error: aborting due to previous error - diff --git a/src/test/ui/associated-types/bound-lifetime-in-binding-only.paren.stderr b/src/test/ui/associated-types/bound-lifetime-in-binding-only.paren.stderr deleted file mode 100644 index 74bc84c22..000000000 --- a/src/test/ui/associated-types/bound-lifetime-in-binding-only.paren.stderr +++ /dev/null @@ -1,27 +0,0 @@ -error[E0582]: binding for associated type `Output` references lifetime `'a`, which does not appear in the trait input types - --> $DIR/bound-lifetime-in-binding-only.rs:32:29 - | -LL | fn paren<T: for<'a> Fn() -> &'a i32>() { - | ^^^^^^^ - -error[E0582]: binding for associated type `Output` references lifetime `'a`, which does not appear in the trait input types - --> $DIR/bound-lifetime-in-binding-only.rs:37:41 - | -LL | fn paren1<T>() where T: for<'a> Fn() -> &'a i32 { - | ^^^^^^^ - -error[E0582]: binding for associated type `Output` references lifetime `'a`, which does not appear in the trait input types - --> $DIR/bound-lifetime-in-binding-only.rs:42:41 - | -LL | fn paren2<T>() where for<'a> T: Fn() -> &'a i32 { - | ^^^^^^^ - -error[E0582]: binding for associated type `Output` references lifetime `'a`, which does not appear in the trait input types - --> $DIR/bound-lifetime-in-binding-only.rs:47:35 - | -LL | fn paren3(_: &dyn for<'a> Fn() -> &'a i32) { - | ^^^^^^^ - -error: aborting due to 4 previous errors - -For more information about this error, try `rustc --explain E0582`. diff --git a/src/test/ui/associated-types/bound-lifetime-in-binding-only.rs b/src/test/ui/associated-types/bound-lifetime-in-binding-only.rs deleted file mode 100644 index e714457ef..000000000 --- a/src/test/ui/associated-types/bound-lifetime-in-binding-only.rs +++ /dev/null @@ -1,71 +0,0 @@ -// revisions: angle paren ok elision - -#![allow(dead_code)] -#![feature(rustc_attrs)] -#![feature(unboxed_closures)] - -trait Foo { - type Item; -} - -#[cfg(angle)] -fn angle<T: for<'a> Foo<Item=&'a i32>>() { - //[angle]~^ ERROR binding for associated type `Item` references lifetime `'a` -} - -#[cfg(angle)] -fn angle1<T>() where T: for<'a> Foo<Item=&'a i32> { - //[angle]~^ ERROR binding for associated type `Item` references lifetime `'a` -} - -#[cfg(angle)] -fn angle2<T>() where for<'a> T: Foo<Item=&'a i32> { - //[angle]~^ ERROR binding for associated type `Item` references lifetime `'a` -} - -#[cfg(angle)] -fn angle3(_: &dyn for<'a> Foo<Item=&'a i32>) { - //[angle]~^ ERROR binding for associated type `Item` references lifetime `'a` -} - -#[cfg(paren)] -fn paren<T: for<'a> Fn() -> &'a i32>() { - //[paren]~^ ERROR binding for associated type `Output` references lifetime `'a` -} - -#[cfg(paren)] -fn paren1<T>() where T: for<'a> Fn() -> &'a i32 { - //[paren]~^ ERROR binding for associated type `Output` references lifetime `'a` -} - -#[cfg(paren)] -fn paren2<T>() where for<'a> T: Fn() -> &'a i32 { - //[paren]~^ ERROR binding for associated type `Output` references lifetime `'a` -} - -#[cfg(paren)] -fn paren3(_: &dyn for<'a> Fn() -> &'a i32) { - //[paren]~^ ERROR binding for associated type `Output` references lifetime `'a` -} - -#[cfg(elision)] -fn elision<T: Fn() -> &i32>() { - //[elision]~^ ERROR E0106 -} - -struct Parameterized<'a> { x: &'a str } - -#[cfg(ok)] -fn ok1<T: for<'a> Fn(&Parameterized<'a>) -> &'a i32>() { -} - -#[cfg(ok)] -fn ok2<T: for<'a,'b> Fn<(&'b Parameterized<'a>,), Output=&'a i32>>() { -} - -#[cfg(ok)] -fn ok3<T>() where for<'a> Parameterized<'a>: Foo<Item=&'a i32> { -} - -#[rustc_error] -fn main() { } //[ok]~ ERROR fatal error triggered by #[rustc_error] diff --git a/src/test/ui/associated-types/bound-lifetime-in-return-only.elision.stderr b/src/test/ui/associated-types/bound-lifetime-in-return-only.elision.stderr deleted file mode 100644 index 7753d1865..000000000 --- a/src/test/ui/associated-types/bound-lifetime-in-return-only.elision.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error[E0106]: missing lifetime specifier - --> $DIR/bound-lifetime-in-return-only.rs:34:23 - | -LL | fn elision(_: fn() -> &i32) { - | ^ expected named lifetime parameter - | - = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from -help: consider using the `'static` lifetime - | -LL | fn elision(_: fn() -> &'static i32) { - | +++++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0106`. diff --git a/src/test/ui/associated-types/bound-lifetime-in-return-only.local.stderr b/src/test/ui/associated-types/bound-lifetime-in-return-only.local.stderr deleted file mode 100644 index 788cf667c..000000000 --- a/src/test/ui/associated-types/bound-lifetime-in-return-only.local.stderr +++ /dev/null @@ -1,9 +0,0 @@ -error[E0581]: return type references lifetime `'a`, which is not constrained by the fn input types - --> $DIR/bound-lifetime-in-return-only.rs:23:28 - | -LL | let _: for<'a> fn() -> &'a i32 = loop { }; - | ^^^^^^^ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0581`. diff --git a/src/test/ui/associated-types/bound-lifetime-in-return-only.ok.stderr b/src/test/ui/associated-types/bound-lifetime-in-return-only.ok.stderr deleted file mode 100644 index 1c0d3ac10..000000000 --- a/src/test/ui/associated-types/bound-lifetime-in-return-only.ok.stderr +++ /dev/null @@ -1,8 +0,0 @@ -error: fatal error triggered by #[rustc_error] - --> $DIR/bound-lifetime-in-return-only.rs:49:1 - | -LL | fn main() { } - | ^^^^^^^^^ - -error: aborting due to previous error - diff --git a/src/test/ui/associated-types/bound-lifetime-in-return-only.rs b/src/test/ui/associated-types/bound-lifetime-in-return-only.rs deleted file mode 100644 index a60ccb6c4..000000000 --- a/src/test/ui/associated-types/bound-lifetime-in-return-only.rs +++ /dev/null @@ -1,49 +0,0 @@ -// revisions: sig local structure ok elision - -#![allow(dead_code)] -#![feature(rustc_attrs)] -#![feature(unboxed_closures)] - -trait Foo { - type Item; -} - -#[cfg(sig)] -fn sig1(_: for<'a> fn() -> &'a i32) { - //[sig]~^ ERROR return type references lifetime `'a` -} - -#[cfg(sig)] -fn sig2(_: for<'a, 'b> fn(&'b i32) -> &'a i32) { - //[sig]~^ ERROR return type references lifetime `'a` -} - -#[cfg(local)] -fn local1() { - let _: for<'a> fn() -> &'a i32 = loop { }; - //[local]~^ ERROR return type references lifetime `'a` -} - -#[cfg(structure)] -struct Struct1 { - x: for<'a> fn() -> &'a i32 - //[structure]~^ ERROR return type references lifetime `'a` -} - -#[cfg(elision)] -fn elision(_: fn() -> &i32) { - //[elision]~^ ERROR E0106 -} - -struct Parameterized<'a> { x: &'a str } - -#[cfg(ok)] -fn ok1(_: &dyn for<'a> Fn(&Parameterized<'a>) -> &'a i32) { -} - -#[cfg(ok)] -fn ok2(_: &dyn for<'a,'b> Fn<(&'b Parameterized<'a>,), Output=&'a i32>) { -} - -#[rustc_error] -fn main() { } //[ok]~ ERROR fatal error triggered by #[rustc_error] diff --git a/src/test/ui/associated-types/bound-lifetime-in-return-only.sig.stderr b/src/test/ui/associated-types/bound-lifetime-in-return-only.sig.stderr deleted file mode 100644 index 64dad4619..000000000 --- a/src/test/ui/associated-types/bound-lifetime-in-return-only.sig.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error[E0581]: return type references lifetime `'a`, which is not constrained by the fn input types - --> $DIR/bound-lifetime-in-return-only.rs:12:28 - | -LL | fn sig1(_: for<'a> fn() -> &'a i32) { - | ^^^^^^^ - -error[E0581]: return type references lifetime `'a`, which is not constrained by the fn input types - --> $DIR/bound-lifetime-in-return-only.rs:17:39 - | -LL | fn sig2(_: for<'a, 'b> fn(&'b i32) -> &'a i32) { - | ^^^^^^^ - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0581`. diff --git a/src/test/ui/associated-types/bound-lifetime-in-return-only.structure.stderr b/src/test/ui/associated-types/bound-lifetime-in-return-only.structure.stderr deleted file mode 100644 index f7833500d..000000000 --- a/src/test/ui/associated-types/bound-lifetime-in-return-only.structure.stderr +++ /dev/null @@ -1,9 +0,0 @@ -error[E0581]: return type references lifetime `'a`, which is not constrained by the fn input types - --> $DIR/bound-lifetime-in-return-only.rs:29:24 - | -LL | x: for<'a> fn() -> &'a i32 - | ^^^^^^^ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0581`. diff --git a/src/test/ui/associated-types/cache/chrono-scan.rs b/src/test/ui/associated-types/cache/chrono-scan.rs deleted file mode 100644 index 964ddc9b6..000000000 --- a/src/test/ui/associated-types/cache/chrono-scan.rs +++ /dev/null @@ -1,30 +0,0 @@ -// check-pass - -#![allow(deprecated)] - -pub type ParseResult<T> = Result<T, ()>; - -pub enum Item<'a> { - Literal(&'a str) -} - -pub fn colon_or_space(s: &str) -> ParseResult<&str> { - unimplemented!() -} - -pub fn timezone_offset_zulu<F>(s: &str, colon: F) -> ParseResult<(&str, i32)> - where F: FnMut(&str) -> ParseResult<&str> { - unimplemented!() -} - -pub fn parse<'a, I>(mut s: &str, items: I) -> ParseResult<()> - where I: Iterator<Item=Item<'a>> { - macro_rules! try_consume { - ($e:expr) => ({ let (s_, v) = try!($e); s = s_; v }) - } - let offset = try_consume!(timezone_offset_zulu(s.trim_start(), colon_or_space)); - let offset = try_consume!(timezone_offset_zulu(s.trim_start(), colon_or_space)); - Ok(()) -} - -fn main() {} diff --git a/src/test/ui/associated-types/cache/elision.rs b/src/test/ui/associated-types/cache/elision.rs deleted file mode 100644 index b3e1ec8ad..000000000 --- a/src/test/ui/associated-types/cache/elision.rs +++ /dev/null @@ -1,23 +0,0 @@ -// Check that you are allowed to implement using elision but write -// trait without elision (a bug in this cropped up during -// bootstrapping, so this is a regression test). - -// check-pass - -pub struct SplitWhitespace<'a> { - x: &'a u8 -} - -pub trait UnicodeStr { - fn split_whitespace<'a>(&'a self) -> SplitWhitespace<'a>; -} - -impl UnicodeStr for str { - #[inline] - fn split_whitespace(&self) -> SplitWhitespace { - unimplemented!() - } -} - - -fn main() { } diff --git a/src/test/ui/associated-types/cache/project-fn-ret-contravariant.krisskross.stderr b/src/test/ui/associated-types/cache/project-fn-ret-contravariant.krisskross.stderr deleted file mode 100644 index 2ecee1341..000000000 --- a/src/test/ui/associated-types/cache/project-fn-ret-contravariant.krisskross.stderr +++ /dev/null @@ -1,30 +0,0 @@ -error: lifetime may not live long enough - --> $DIR/project-fn-ret-contravariant.rs:46:4 - | -LL | fn transmute<'a,'b>(x: &'a u32, y: &'b u32) -> (&'a u32, &'b u32) { - | -- -- lifetime `'b` defined here - | | - | lifetime `'a` defined here -... -LL | (a, b) - | ^^^^^^ function was supposed to return data with lifetime `'b` but it is returning data with lifetime `'a` - | - = help: consider adding the following bound: `'a: 'b` - -error: lifetime may not live long enough - --> $DIR/project-fn-ret-contravariant.rs:46:4 - | -LL | fn transmute<'a,'b>(x: &'a u32, y: &'b u32) -> (&'a u32, &'b u32) { - | -- -- lifetime `'b` defined here - | | - | lifetime `'a` defined here -... -LL | (a, b) - | ^^^^^^ function was supposed to return data with lifetime `'a` but it is returning data with lifetime `'b` - | - = help: consider adding the following bound: `'b: 'a` - -help: `'a` and `'b` must be the same: replace one with the other - -error: aborting due to 2 previous errors - diff --git a/src/test/ui/associated-types/cache/project-fn-ret-contravariant.rs b/src/test/ui/associated-types/cache/project-fn-ret-contravariant.rs deleted file mode 100644 index f1ea6627a..000000000 --- a/src/test/ui/associated-types/cache/project-fn-ret-contravariant.rs +++ /dev/null @@ -1,50 +0,0 @@ -#![feature(unboxed_closures)] - -// Test for projection cache. We should be able to project distinct -// lifetimes from `foo` as we reinstantiate it multiple times, but not -// if we do it just once. In this variant, the region `'a` is used in -// an contravariant position, which affects the results. - -// revisions: ok oneuse transmute krisskross -//[ok] check-pass -//[oneuse] check-pass - -#![allow(dead_code, unused_variables)] - -fn foo<'a>() -> &'a u32 { loop { } } - -fn bar<T>(t: T, x: T::Output) -> T::Output - where T: FnOnce<()> -{ - t() -} - -#[cfg(ok)] // two instantiations: OK -fn baz<'a,'b>(x: &'a u32, y: &'b u32) -> (&'a u32, &'b u32) { - let a = bar(foo, x); - let b = bar(foo, y); - (a, b) -} - -#[cfg(oneuse)] // one instantiation: OK (surprisingly) -fn baz<'a,'b>(x: &'a u32, y: &'b u32) -> (&'a u32, &'b u32) { - let f /* : fn() -> &'static u32 */ = foo; // <-- inferred type annotated - let a = bar(f, x); // this is considered ok because fn args are contravariant... - let b = bar(f, y); // ...and hence we infer T to distinct values in each call. - (a, b) -} - -#[cfg(transmute)] // one instantiations: BAD -fn baz<'a,'b>(x: &'a u32) -> &'static u32 { - bar(foo, x) //[transmute]~ ERROR lifetime may not live long enough -} - -#[cfg(krisskross)] // two instantiations, mixing and matching: BAD -fn transmute<'a,'b>(x: &'a u32, y: &'b u32) -> (&'a u32, &'b u32) { - let a = bar(foo, y); - let b = bar(foo, x); - (a, b) //[krisskross]~ ERROR lifetime may not live long enough - //[krisskross]~^ ERROR lifetime may not live long enough -} - -fn main() { } diff --git a/src/test/ui/associated-types/cache/project-fn-ret-contravariant.transmute.stderr b/src/test/ui/associated-types/cache/project-fn-ret-contravariant.transmute.stderr deleted file mode 100644 index 6d8ab2c3f..000000000 --- a/src/test/ui/associated-types/cache/project-fn-ret-contravariant.transmute.stderr +++ /dev/null @@ -1,10 +0,0 @@ -error: lifetime may not live long enough - --> $DIR/project-fn-ret-contravariant.rs:39:4 - | -LL | fn baz<'a,'b>(x: &'a u32) -> &'static u32 { - | -- lifetime `'a` defined here -LL | bar(foo, x) - | ^^^^^^^^^^^ returning this value requires that `'a` must outlive `'static` - -error: aborting due to previous error - diff --git a/src/test/ui/associated-types/cache/project-fn-ret-invariant.krisskross.stderr b/src/test/ui/associated-types/cache/project-fn-ret-invariant.krisskross.stderr deleted file mode 100644 index ada12c7ee..000000000 --- a/src/test/ui/associated-types/cache/project-fn-ret-invariant.krisskross.stderr +++ /dev/null @@ -1,36 +0,0 @@ -error: lifetime may not live long enough - --> $DIR/project-fn-ret-invariant.rs:59:5 - | -LL | fn transmute<'a, 'b>(x: Type<'a>, y: Type<'b>) -> (Type<'a>, Type<'b>) { - | -- -- lifetime `'b` defined here - | | - | lifetime `'a` defined here -... -LL | (a, b) - | ^^^^^^ function was supposed to return data with lifetime `'b` but it is returning data with lifetime `'a` - | - = help: consider adding the following bound: `'a: 'b` - = note: requirement occurs because of the type `Type<'_>`, which makes the generic argument `'_` invariant - = note: the struct `Type<'a>` is invariant over the parameter `'a` - = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance - -error: lifetime may not live long enough - --> $DIR/project-fn-ret-invariant.rs:59:5 - | -LL | fn transmute<'a, 'b>(x: Type<'a>, y: Type<'b>) -> (Type<'a>, Type<'b>) { - | -- -- lifetime `'b` defined here - | | - | lifetime `'a` defined here -... -LL | (a, b) - | ^^^^^^ function was supposed to return data with lifetime `'a` but it is returning data with lifetime `'b` - | - = help: consider adding the following bound: `'b: 'a` - = note: requirement occurs because of the type `Type<'_>`, which makes the generic argument `'_` invariant - = note: the struct `Type<'a>` is invariant over the parameter `'a` - = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance - -help: `'a` and `'b` must be the same: replace one with the other - -error: aborting due to 2 previous errors - diff --git a/src/test/ui/associated-types/cache/project-fn-ret-invariant.oneuse.stderr b/src/test/ui/associated-types/cache/project-fn-ret-invariant.oneuse.stderr deleted file mode 100644 index 77841780f..000000000 --- a/src/test/ui/associated-types/cache/project-fn-ret-invariant.oneuse.stderr +++ /dev/null @@ -1,36 +0,0 @@ -error: lifetime may not live long enough - --> $DIR/project-fn-ret-invariant.rs:40:13 - | -LL | fn baz<'a, 'b>(x: Type<'a>, y: Type<'b>) -> (Type<'a>, Type<'b>) { - | -- -- lifetime `'b` defined here - | | - | lifetime `'a` defined here -LL | let f = foo; // <-- No consistent type can be inferred for `f` here. -LL | let a = bar(f, x); - | ^^^^^^^^^ argument requires that `'a` must outlive `'b` - | - = help: consider adding the following bound: `'a: 'b` - = note: requirement occurs because of the type `Type<'_>`, which makes the generic argument `'_` invariant - = note: the struct `Type<'a>` is invariant over the parameter `'a` - = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance - -error: lifetime may not live long enough - --> $DIR/project-fn-ret-invariant.rs:42:13 - | -LL | fn baz<'a, 'b>(x: Type<'a>, y: Type<'b>) -> (Type<'a>, Type<'b>) { - | -- -- lifetime `'b` defined here - | | - | lifetime `'a` defined here -... -LL | let b = bar(f, y); - | ^^^^^^^^^ argument requires that `'b` must outlive `'a` - | - = help: consider adding the following bound: `'b: 'a` - = note: requirement occurs because of the type `Type<'_>`, which makes the generic argument `'_` invariant - = note: the struct `Type<'a>` is invariant over the parameter `'a` - = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance - -help: `'a` and `'b` must be the same: replace one with the other - -error: aborting due to 2 previous errors - diff --git a/src/test/ui/associated-types/cache/project-fn-ret-invariant.rs b/src/test/ui/associated-types/cache/project-fn-ret-invariant.rs deleted file mode 100644 index e04337913..000000000 --- a/src/test/ui/associated-types/cache/project-fn-ret-invariant.rs +++ /dev/null @@ -1,64 +0,0 @@ -#![feature(unboxed_closures)] -// Test for projection cache. We should be able to project distinct -// lifetimes from `foo` as we reinstantiate it multiple times, but not -// if we do it just once. In this variant, the region `'a` is used in -// an invariant position, which affects the results. - -// revisions: ok oneuse transmute krisskross -//[ok] check-pass - -#![allow(dead_code, unused_variables)] - -use std::marker::PhantomData; - -struct Type<'a> { - // Invariant - data: PhantomData<fn(&'a u32) -> &'a u32>, -} - -fn foo<'a>() -> Type<'a> { - loop {} -} - -fn bar<T>(t: T, x: T::Output) -> T::Output -where - T: FnOnce<()>, -{ - t() -} - -#[cfg(ok)] // two instantiations: OK -fn baz<'a, 'b>(x: Type<'a>, y: Type<'b>) -> (Type<'a>, Type<'b>) { - let a = bar(foo, x); - let b = bar(foo, y); - (a, b) -} - -#[cfg(oneuse)] // one instantiation: BAD -fn baz<'a, 'b>(x: Type<'a>, y: Type<'b>) -> (Type<'a>, Type<'b>) { - let f = foo; // <-- No consistent type can be inferred for `f` here. - let a = bar(f, x); - //[oneuse]~^ ERROR lifetime may not live long enough - let b = bar(f, y); - //[oneuse]~^ ERROR lifetime may not live long enough - (a, b) -} - -#[cfg(transmute)] // one instantiations: BAD -fn baz<'a, 'b>(x: Type<'a>) -> Type<'static> { - // Cannot instantiate `foo` with any lifetime other than `'a`, - // since it is provided as input. - - bar(foo, x) //[transmute]~ ERROR lifetime may not live long enough -} - -#[cfg(krisskross)] // two instantiations, mixing and matching: BAD -fn transmute<'a, 'b>(x: Type<'a>, y: Type<'b>) -> (Type<'a>, Type<'b>) { - let a = bar(foo, y); - let b = bar(foo, x); - (a, b) - //[krisskross]~^ ERROR lifetime may not live long enough - //[krisskross]~| ERROR lifetime may not live long enough -} - -fn main() {} diff --git a/src/test/ui/associated-types/cache/project-fn-ret-invariant.transmute.stderr b/src/test/ui/associated-types/cache/project-fn-ret-invariant.transmute.stderr deleted file mode 100644 index b64cb2c3d..000000000 --- a/src/test/ui/associated-types/cache/project-fn-ret-invariant.transmute.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error: lifetime may not live long enough - --> $DIR/project-fn-ret-invariant.rs:52:5 - | -LL | fn baz<'a, 'b>(x: Type<'a>) -> Type<'static> { - | -- lifetime `'a` defined here -... -LL | bar(foo, x) - | ^^^^^^^^^^^ returning this value requires that `'a` must outlive `'static` - | - = note: requirement occurs because of the type `Type<'_>`, which makes the generic argument `'_` invariant - = note: the struct `Type<'a>` is invariant over the parameter `'a` - = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance - -error: aborting due to previous error - diff --git a/src/test/ui/associated-types/default-associated-types.rs b/src/test/ui/associated-types/default-associated-types.rs deleted file mode 100644 index aae70bffa..000000000 --- a/src/test/ui/associated-types/default-associated-types.rs +++ /dev/null @@ -1,23 +0,0 @@ -// run-pass - -#![feature(associated_type_defaults)] - -trait Foo<T: Default + ToString> { - type Out: Default + ToString = T; -} - -impl Foo<u32> for () { -} - -impl Foo<u64> for () { - type Out = bool; -} - -fn main() { - assert_eq!( - <() as Foo<u32>>::Out::default().to_string(), - "0"); - assert_eq!( - <() as Foo<u64>>::Out::default().to_string(), - "false"); -} diff --git a/src/test/ui/associated-types/defaults-cyclic-fail-1.rs b/src/test/ui/associated-types/defaults-cyclic-fail-1.rs deleted file mode 100644 index 61ef01323..000000000 --- a/src/test/ui/associated-types/defaults-cyclic-fail-1.rs +++ /dev/null @@ -1,40 +0,0 @@ -#![feature(associated_type_defaults)] - -// Having a cycle in assoc. type defaults is okay... -trait Tr { - type A = Self::B; - type B = Self::A; -} - -impl Tr for () {} - -impl Tr for u8 { - type A = u8; -} - -impl Tr for u16 { - type B = (); -} - -impl Tr for u32 { - type A = (); - type B = u8; -} - -// ...but not in an impl that redefines one of the types. -impl Tr for bool { - type A = Box<Self::B>; - //~^ ERROR overflow evaluating the requirement `<bool as Tr>::B == _` -} -// (the error is shown twice for some reason) - -impl Tr for usize { - type B = &'static Self::A; - //~^ ERROR overflow evaluating the requirement `<usize as Tr>::A == _` -} - -fn main() { - // We don't check that the types project correctly because the cycle errors stop compilation - // before `main` is type-checked. - // `defaults-cyclic-pass-1.rs` does this. -} diff --git a/src/test/ui/associated-types/defaults-cyclic-fail-1.stderr b/src/test/ui/associated-types/defaults-cyclic-fail-1.stderr deleted file mode 100644 index 008eddcb2..000000000 --- a/src/test/ui/associated-types/defaults-cyclic-fail-1.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error[E0275]: overflow evaluating the requirement `<bool as Tr>::B == _` - --> $DIR/defaults-cyclic-fail-1.rs:26:14 - | -LL | type A = Box<Self::B>; - | ^^^^^^^^^^^^ - -error[E0275]: overflow evaluating the requirement `<usize as Tr>::A == _` - --> $DIR/defaults-cyclic-fail-1.rs:32:14 - | -LL | type B = &'static Self::A; - | ^^^^^^^^^^^^^^^^ - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0275`. diff --git a/src/test/ui/associated-types/defaults-cyclic-fail-2.rs b/src/test/ui/associated-types/defaults-cyclic-fail-2.rs deleted file mode 100644 index e91c9f2d2..000000000 --- a/src/test/ui/associated-types/defaults-cyclic-fail-2.rs +++ /dev/null @@ -1,41 +0,0 @@ -#![feature(associated_type_defaults)] - -// A more complex version of `defaults-cyclic-fail-1.rs`, with non-trivial defaults. - -// Having a cycle in assoc. type defaults is okay... -trait Tr { - type A = Vec<Self::B>; - type B = Box<Self::A>; -} - -impl Tr for () {} - -impl Tr for u8 { - type A = u8; -} - -impl Tr for u16 { - type B = (); -} - -impl Tr for u32 { - type A = (); - type B = u8; -} - -impl Tr for bool { - type A = Box<Self::B>; - //~^ ERROR overflow evaluating the requirement `<bool as Tr>::B == _` -} -// (the error is shown twice for some reason) - -impl Tr for usize { - type B = &'static Self::A; - //~^ ERROR overflow evaluating the requirement `<usize as Tr>::A == _` -} - -fn main() { - // We don't check that the types project correctly because the cycle errors stop compilation - // before `main` is type-checked. - // `defaults-cyclic-pass-2.rs` does this. -} diff --git a/src/test/ui/associated-types/defaults-cyclic-fail-2.stderr b/src/test/ui/associated-types/defaults-cyclic-fail-2.stderr deleted file mode 100644 index d0fbab077..000000000 --- a/src/test/ui/associated-types/defaults-cyclic-fail-2.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error[E0275]: overflow evaluating the requirement `<bool as Tr>::B == _` - --> $DIR/defaults-cyclic-fail-2.rs:27:14 - | -LL | type A = Box<Self::B>; - | ^^^^^^^^^^^^ - -error[E0275]: overflow evaluating the requirement `<usize as Tr>::A == _` - --> $DIR/defaults-cyclic-fail-2.rs:33:14 - | -LL | type B = &'static Self::A; - | ^^^^^^^^^^^^^^^^ - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0275`. diff --git a/src/test/ui/associated-types/defaults-cyclic-pass-1.rs b/src/test/ui/associated-types/defaults-cyclic-pass-1.rs deleted file mode 100644 index 97c6e5bad..000000000 --- a/src/test/ui/associated-types/defaults-cyclic-pass-1.rs +++ /dev/null @@ -1,56 +0,0 @@ -// check-pass - -#![feature(associated_type_defaults)] - -// Having a cycle in assoc. type defaults is okay, as long as there's no impl -// that retains it. -trait Tr { - type A = Self::B; - type B = Self::A; - - fn f(); -} - -// An impl has to break the cycle to be accepted. -impl Tr for u8 { - type A = u8; - - fn f() { - // Check that the type propagates as expected (seen from inside the impl) - let _: Self::A = 0u8; - let _: Self::B = 0u8; - } -} - -impl Tr for String { - type B = (); - - fn f() { - // Check that the type propagates as expected (seen from inside the impl) - let _: Self::A = (); - let _: Self::B = (); - } -} - -impl Tr for () { - type A = Vec<()>; - type B = u8; - - fn f() { - // Check that the type propagates as expected (seen from inside the impl) - let _: Self::A = Vec::<()>::new(); - let _: Self::B = 0u8; - } -} - -fn main() { - // Check that both impls now have the right types (seen from outside the impls) - let _: <u8 as Tr>::A = 0u8; - let _: <u8 as Tr>::B = 0u8; - - let _: <String as Tr>::A = (); - let _: <String as Tr>::B = (); - - let _: <() as Tr>::A = Vec::<()>::new(); - let _: <() as Tr>::B = 0u8; -} diff --git a/src/test/ui/associated-types/defaults-cyclic-pass-2.rs b/src/test/ui/associated-types/defaults-cyclic-pass-2.rs deleted file mode 100644 index 69315a022..000000000 --- a/src/test/ui/associated-types/defaults-cyclic-pass-2.rs +++ /dev/null @@ -1,56 +0,0 @@ -// check-pass - -#![feature(associated_type_defaults)] - -// Having a cycle in assoc. type defaults is okay, as long as there's no impl -// that retains it. -trait Tr { - type A = Vec<Self::B>; - type B = Box<Self::A>; - - fn f(); -} - -// An impl has to break the cycle to be accepted. -impl Tr for u8 { - type A = u8; - - fn f() { - // Check that the type propagates as expected (seen from inside the impl) - let _: Self::A = 0u8; - let _: Self::B = Box::new(0u8); - } -} - -impl Tr for String { - type B = (); - - fn f() { - // Check that the type propagates as expected (seen from inside the impl) - let _: Self::A = Vec::<()>::new(); - let _: Self::B = (); - } -} - -impl Tr for () { - type A = Vec<()>; - type B = u8; - - fn f() { - // Check that the type propagates as expected (seen from inside the impl) - let _: Self::A = Vec::<()>::new(); - let _: Self::B = 0u8; - } -} - -fn main() { - // Check that both impls now have the right types (seen from outside the impls) - let _: <u8 as Tr>::A = 0u8; - let _: <u8 as Tr>::B = Box::new(0u8); - - let _: <String as Tr>::A = Vec::<()>::new(); - let _: <String as Tr>::B = (); - - let _: <() as Tr>::A = Vec::<()>::new(); - let _: <() as Tr>::B = 0u8; -} diff --git a/src/test/ui/associated-types/defaults-in-other-trait-items-pass.rs b/src/test/ui/associated-types/defaults-in-other-trait-items-pass.rs deleted file mode 100644 index a3bfcd8ef..000000000 --- a/src/test/ui/associated-types/defaults-in-other-trait-items-pass.rs +++ /dev/null @@ -1,37 +0,0 @@ -// check-pass - -#![feature(associated_type_defaults)] - -trait Tr { - type Item = u8; - type Container = Vec<Self::Item>; -} - -impl Tr for () {} - -impl Tr for u16 { - type Item = u16; -} - -impl Tr for String { - type Container = String; -} - -impl Tr for usize { - type Item = u32; - type Container = Vec<()>; -} - -fn main() { - let _container: <() as Tr>::Container = Vec::<u8>::new(); - let _item: <() as Tr>::Item = 0u8; - - let _container: <u16 as Tr>::Container = Vec::<u16>::new(); - let _item: <u16 as Tr>::Item = 0u16; - - let _container: <String as Tr>::Container = String::new(); - let _item: <String as Tr>::Item = 0u8; - - let _container: <usize as Tr>::Container = Vec::<()>::new(); - let _item: <usize as Tr>::Item = 0u32; -} diff --git a/src/test/ui/associated-types/defaults-in-other-trait-items.rs b/src/test/ui/associated-types/defaults-in-other-trait-items.rs deleted file mode 100644 index 505751969..000000000 --- a/src/test/ui/associated-types/defaults-in-other-trait-items.rs +++ /dev/null @@ -1,47 +0,0 @@ -#![feature(associated_type_defaults)] - -// Associated type defaults may not be assumed inside the trait defining them. -// ie. they only resolve to `<Self as Tr>::A`, not the actual type `()` -trait Tr { - type A = (); //~ NOTE associated type defaults can't be assumed inside the trait defining them - - fn f(p: Self::A) { - let () = p; - //~^ ERROR mismatched types - //~| NOTE expected associated type, found `()` - //~| NOTE expected associated type `<Self as Tr>::A` - //~| NOTE this expression has type `<Self as Tr>::A` - } -} - -// An impl that doesn't override the type *can* assume the default. -impl Tr for () { - fn f(p: Self::A) { - let () = p; - } -} - -impl Tr for u8 { - type A = (); - - fn f(p: Self::A) { - let () = p; - } -} - -trait AssocConst { - type Ty = u8; //~ NOTE associated type defaults can't be assumed inside the trait defining them - - // Assoc. consts also cannot assume that default types hold - const C: Self::Ty = 0u8; - //~^ ERROR mismatched types - //~| NOTE expected associated type, found `u8` - //~| NOTE expected associated type `<Self as AssocConst>::Ty` -} - -// An impl can, however -impl AssocConst for () { - const C: Self::Ty = 0u8; -} - -fn main() {} diff --git a/src/test/ui/associated-types/defaults-in-other-trait-items.stderr b/src/test/ui/associated-types/defaults-in-other-trait-items.stderr deleted file mode 100644 index 71d421926..000000000 --- a/src/test/ui/associated-types/defaults-in-other-trait-items.stderr +++ /dev/null @@ -1,29 +0,0 @@ -error[E0308]: mismatched types - --> $DIR/defaults-in-other-trait-items.rs:9:13 - | -LL | type A = (); - | ------------ associated type defaults can't be assumed inside the trait defining them -... -LL | let () = p; - | ^^ - this expression has type `<Self as Tr>::A` - | | - | expected associated type, found `()` - | - = note: expected associated type `<Self as Tr>::A` - found unit type `()` - -error[E0308]: mismatched types - --> $DIR/defaults-in-other-trait-items.rs:36:25 - | -LL | type Ty = u8; - | ------------- associated type defaults can't be assumed inside the trait defining them -... -LL | const C: Self::Ty = 0u8; - | ^^^ expected associated type, found `u8` - | - = note: expected associated type `<Self as AssocConst>::Ty` - found type `u8` - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/associated-types/defaults-mixed.rs b/src/test/ui/associated-types/defaults-mixed.rs deleted file mode 100644 index c91b8de39..000000000 --- a/src/test/ui/associated-types/defaults-mixed.rs +++ /dev/null @@ -1,34 +0,0 @@ -#![feature(associated_type_defaults)] - -// Tests that a trait with one defaulted and one non-defaulted assoc. type behaves properly. - -trait Trait { - type Foo = u8; - type Bar; -} - -// `Bar` must be specified -impl Trait for () {} -//~^ error: not all trait items implemented, missing: `Bar` - -impl Trait for bool { -//~^ error: not all trait items implemented, missing: `Bar` - type Foo = (); -} - -impl Trait for u8 { - type Bar = (); -} - -impl Trait for u16 { - type Foo = String; - type Bar = bool; -} - -fn main() { - let _: <u8 as Trait>::Foo = 0u8; - let _: <u8 as Trait>::Bar = (); - - let _: <u16 as Trait>::Foo = String::new(); - let _: <u16 as Trait>::Bar = true; -} diff --git a/src/test/ui/associated-types/defaults-mixed.stderr b/src/test/ui/associated-types/defaults-mixed.stderr deleted file mode 100644 index 0f4a6968c..000000000 --- a/src/test/ui/associated-types/defaults-mixed.stderr +++ /dev/null @@ -1,21 +0,0 @@ -error[E0046]: not all trait items implemented, missing: `Bar` - --> $DIR/defaults-mixed.rs:11:1 - | -LL | type Bar; - | -------- `Bar` from trait -... -LL | impl Trait for () {} - | ^^^^^^^^^^^^^^^^^ missing `Bar` in implementation - -error[E0046]: not all trait items implemented, missing: `Bar` - --> $DIR/defaults-mixed.rs:14:1 - | -LL | type Bar; - | -------- `Bar` from trait -... -LL | impl Trait for bool { - | ^^^^^^^^^^^^^^^^^^^ missing `Bar` in implementation - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0046`. diff --git a/src/test/ui/associated-types/defaults-specialization.rs b/src/test/ui/associated-types/defaults-specialization.rs deleted file mode 100644 index 553705b2a..000000000 --- a/src/test/ui/associated-types/defaults-specialization.rs +++ /dev/null @@ -1,96 +0,0 @@ -//! Tests the interaction of associated type defaults and specialization. - -#![feature(associated_type_defaults, specialization)] -//~^ WARN the feature `specialization` is incomplete - -trait Tr { - type Ty = u8; - - fn make() -> Self::Ty { - 0u8 - //~^ error: mismatched types - } -} - -struct A<T>(T); -// In a `default impl`, assoc. types are defaulted as well, -// so their values can't be assumed. -default impl<T> Tr for A<T> { - fn make() -> u8 { 0 } - //~^ ERROR method `make` has an incompatible type for trait -} - -struct A2<T>(T); -// ...same, but in the method body -default impl<T> Tr for A2<T> { - fn make() -> Self::Ty { 0u8 } - //~^ ERROR mismatched types -} - -struct B<T>(T); -// Explicitly defaulting the type does the same. -impl<T> Tr for B<T> { - default type Ty = bool; - - fn make() -> bool { true } - //~^ ERROR method `make` has an incompatible type for trait -} - -struct B2<T>(T); -// ...same, but in the method body -impl<T> Tr for B2<T> { - default type Ty = bool; - - fn make() -> Self::Ty { true } - //~^ ERROR mismatched types -} - -struct C<T>(T); -// Only the method is defaulted, so this is fine. -impl<T> Tr for C<T> { - type Ty = bool; - - default fn make() -> bool { true } -} - -// Defaulted method *can* assume the type, if the default is kept. -struct D<T>(T); -impl<T> Tr for D<T> { - default fn make() -> u8 { 0 } -} - -impl Tr for D<bool> { - fn make() -> u8 { 255 } -} - -struct E<T>(T); -impl<T> Tr for E<T> { - default type Ty = bool; - default fn make() -> Self::Ty { panic!(); } -} - -// This impl specializes and sets `Ty`, it can rely on `Ty=String`. -impl Tr for E<bool> { - type Ty = String; - - fn make() -> String { String::new() } -} - -fn main() { - // Test that we can assume the right set of assoc. types from outside the impl - - // This is a `default impl`, which does *not* mean that `A`/`A2` actually implement the trait. - // cf. https://github.com/rust-lang/rust/issues/48515 - //let _: <A<()> as Tr>::Ty = 0u8; - //let _: <A2<()> as Tr>::Ty = 0u8; - - let _: <B<()> as Tr>::Ty = 0u8; //~ error: mismatched types - let _: <B<()> as Tr>::Ty = true; //~ error: mismatched types - let _: <B2<()> as Tr>::Ty = 0u8; //~ error: mismatched types - let _: <B2<()> as Tr>::Ty = true; //~ error: mismatched types - - let _: <C<()> as Tr>::Ty = true; - - let _: <D<()> as Tr>::Ty = 0u8; - let _: <D<bool> as Tr>::Ty = 0u8; -} diff --git a/src/test/ui/associated-types/defaults-specialization.stderr b/src/test/ui/associated-types/defaults-specialization.stderr deleted file mode 100644 index 8df326351..000000000 --- a/src/test/ui/associated-types/defaults-specialization.stderr +++ /dev/null @@ -1,156 +0,0 @@ -warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/defaults-specialization.rs:3:38 - | -LL | #![feature(associated_type_defaults, specialization)] - | ^^^^^^^^^^^^^^ - | - = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information - = help: consider using `min_specialization` instead, which is more stable and complete - = note: `#[warn(incomplete_features)]` on by default - -error[E0053]: method `make` has an incompatible type for trait - --> $DIR/defaults-specialization.rs:19:18 - | -LL | fn make() -> u8 { 0 } - | ^^ - | | - | expected associated type, found `u8` - | help: change the output type to match the trait: `<A<T> as Tr>::Ty` - | -note: type in trait - --> $DIR/defaults-specialization.rs:9:18 - | -LL | fn make() -> Self::Ty { - | ^^^^^^^^ - = note: expected fn pointer `fn() -> <A<T> as Tr>::Ty` - found fn pointer `fn() -> u8` - -error[E0053]: method `make` has an incompatible type for trait - --> $DIR/defaults-specialization.rs:35:18 - | -LL | default type Ty = bool; - | ----------------------- expected this associated type -LL | -LL | fn make() -> bool { true } - | ^^^^ - | | - | expected associated type, found `bool` - | help: change the output type to match the trait: `<B<T> as Tr>::Ty` - | -note: type in trait - --> $DIR/defaults-specialization.rs:9:18 - | -LL | fn make() -> Self::Ty { - | ^^^^^^^^ - = note: expected fn pointer `fn() -> <B<T> as Tr>::Ty` - found fn pointer `fn() -> bool` - -error[E0308]: mismatched types - --> $DIR/defaults-specialization.rs:10:9 - | -LL | type Ty = u8; - | ------------- associated type defaults can't be assumed inside the trait defining them -LL | -LL | fn make() -> Self::Ty { - | -------- expected `<Self as Tr>::Ty` because of return type -LL | 0u8 - | ^^^ expected associated type, found `u8` - | - = note: expected associated type `<Self as Tr>::Ty` - found type `u8` - -error[E0308]: mismatched types - --> $DIR/defaults-specialization.rs:26:29 - | -LL | fn make() -> Self::Ty { 0u8 } - | -------- ^^^ expected associated type, found `u8` - | | - | expected `<A2<T> as Tr>::Ty` because of return type - | - = note: expected associated type `<A2<T> as Tr>::Ty` - found type `u8` - = help: consider constraining the associated type `<A2<T> as Tr>::Ty` to `u8` or calling a method that returns `<A2<T> as Tr>::Ty` - = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html - -error[E0308]: mismatched types - --> $DIR/defaults-specialization.rs:44:29 - | -LL | default type Ty = bool; - | ----------------------- expected this associated type -LL | -LL | fn make() -> Self::Ty { true } - | -------- ^^^^ expected associated type, found `bool` - | | - | expected `<B2<T> as Tr>::Ty` because of return type - | - = note: expected associated type `<B2<T> as Tr>::Ty` - found type `bool` - -error[E0308]: mismatched types - --> $DIR/defaults-specialization.rs:87:32 - | -LL | let _: <B<()> as Tr>::Ty = 0u8; - | ----------------- ^^^ expected associated type, found `u8` - | | - | expected due to this - | - = note: expected associated type `<B<()> as Tr>::Ty` - found type `u8` -help: a method is available that returns `<B<()> as Tr>::Ty` - --> $DIR/defaults-specialization.rs:9:5 - | -LL | fn make() -> Self::Ty { - | ^^^^^^^^^^^^^^^^^^^^^ consider calling `Tr::make` - -error[E0308]: mismatched types - --> $DIR/defaults-specialization.rs:88:32 - | -LL | let _: <B<()> as Tr>::Ty = true; - | ----------------- ^^^^ expected associated type, found `bool` - | | - | expected due to this - | - = note: expected associated type `<B<()> as Tr>::Ty` - found type `bool` -help: a method is available that returns `<B<()> as Tr>::Ty` - --> $DIR/defaults-specialization.rs:9:5 - | -LL | fn make() -> Self::Ty { - | ^^^^^^^^^^^^^^^^^^^^^ consider calling `Tr::make` - -error[E0308]: mismatched types - --> $DIR/defaults-specialization.rs:89:33 - | -LL | let _: <B2<()> as Tr>::Ty = 0u8; - | ------------------ ^^^ expected associated type, found `u8` - | | - | expected due to this - | - = note: expected associated type `<B2<()> as Tr>::Ty` - found type `u8` -help: a method is available that returns `<B2<()> as Tr>::Ty` - --> $DIR/defaults-specialization.rs:9:5 - | -LL | fn make() -> Self::Ty { - | ^^^^^^^^^^^^^^^^^^^^^ consider calling `Tr::make` - -error[E0308]: mismatched types - --> $DIR/defaults-specialization.rs:90:33 - | -LL | let _: <B2<()> as Tr>::Ty = true; - | ------------------ ^^^^ expected associated type, found `bool` - | | - | expected due to this - | - = note: expected associated type `<B2<()> as Tr>::Ty` - found type `bool` -help: a method is available that returns `<B2<()> as Tr>::Ty` - --> $DIR/defaults-specialization.rs:9:5 - | -LL | fn make() -> Self::Ty { - | ^^^^^^^^^^^^^^^^^^^^^ consider calling `Tr::make` - -error: aborting due to 9 previous errors; 1 warning emitted - -Some errors have detailed explanations: E0053, E0308. -For more information about an error, try `rustc --explain E0053`. diff --git a/src/test/ui/associated-types/defaults-suitability.rs b/src/test/ui/associated-types/defaults-suitability.rs deleted file mode 100644 index 504c957d9..000000000 --- a/src/test/ui/associated-types/defaults-suitability.rs +++ /dev/null @@ -1,101 +0,0 @@ -//! Checks that associated type defaults are properly validated. -//! -//! This means: -//! * Default types are checked against where clauses on the assoc. type -//! (eg. `type Assoc: Clone = NotClone`) - -#![feature(associated_type_defaults)] - -struct NotClone; - -// Assoc. type bounds must hold for the default type -trait Tr { - type Ty: Clone = NotClone; - //~^ ERROR the trait bound `NotClone: Clone` is not satisfied -} - -// Where-clauses defined on the trait must also be considered -trait Tr2 -where - Self::Ty: Clone, -{ - type Ty = NotClone; - //~^ ERROR the trait bound `NotClone: Clone` is not satisfied -} - -// Involved type parameters must fulfill all bounds required by defaults that mention them -trait Foo<T> { - type Bar: Clone = Vec<T>; - //~^ ERROR the trait bound `T: Clone` is not satisfied -} - -trait Bar: Sized { - // `(): Foo<Self>` might hold for some possible impls but not all. - type Assoc: Foo<Self> = (); - //~^ ERROR the trait bound `(): Foo<Self>` is not satisfied -} - -trait IsU8<T> {} -impl<T> IsU8<u8> for T {} - -// Test that mentioning the assoc. type inside where clauses is not allowed -trait C where - Vec<Self::Assoc>: Clone, - Self::Assoc: IsU8<Self::Assoc>, - bool: IsU8<Self::Assoc>, -{ - type Assoc = u8; -} - -// Test that we get all expected errors if that default is unsuitable -trait D where - Vec<Self::Assoc>: Clone, - Self::Assoc: IsU8<Self::Assoc>, - bool: IsU8<Self::Assoc>, -{ - type Assoc = NotClone; - //~^ ERROR the trait bound `NotClone: IsU8<NotClone>` is not satisfied -} - -// Test behavior of the check when defaults refer to other defaults: - -// Shallow substitution rejects this trait since `Baz` isn't guaranteed to be -// `Clone`. -trait Foo2<T> { - type Bar: Clone = Vec<Self::Baz>; - //~^ ERROR the trait bound `<Self as Foo2<T>>::Baz: Clone` is not satisfied - type Baz = T; -} - -// Adding a `T: Clone` bound doesn't help since the requirement doesn't see `T` -// because of the shallow substitution. If we did a deep substitution instead, -// this would be accepted. -trait Foo25<T: Clone> { - type Bar: Clone = Vec<Self::Baz>; - //~^ ERROR the trait bound `<Self as Foo25<T>>::Baz: Clone` is not satisfied - type Baz = T; -} - -// Adding the `Baz: Clone` bound isn't enough since the default is type -// parameter `T`, which also might not be `Clone`. -trait Foo3<T> -where - Self::Bar: Clone, - Self::Baz: Clone, -{ - type Bar = Vec<Self::Baz>; - type Baz = T; - //~^ ERROR the trait bound `T: Clone` is not satisfied -} - -// This one finally works, with `Clone` bounds on all assoc. types and the type -// parameter. -trait Foo4<T> -where - T: Clone, -{ - type Bar: Clone = Vec<Self::Baz>; - type Baz: Clone = T; -} - -fn main() {} diff --git a/src/test/ui/associated-types/defaults-suitability.stderr b/src/test/ui/associated-types/defaults-suitability.stderr deleted file mode 100644 index eadad4cd5..000000000 --- a/src/test/ui/associated-types/defaults-suitability.stderr +++ /dev/null @@ -1,135 +0,0 @@ -error[E0277]: the trait bound `NotClone: Clone` is not satisfied - --> $DIR/defaults-suitability.rs:13:22 - | -LL | type Ty: Clone = NotClone; - | ^^^^^^^^ the trait `Clone` is not implemented for `NotClone` - | -note: required by a bound in `Tr::Ty` - --> $DIR/defaults-suitability.rs:13:14 - | -LL | type Ty: Clone = NotClone; - | ^^^^^ required by this bound in `Tr::Ty` -help: consider annotating `NotClone` with `#[derive(Clone)]` - | -LL | #[derive(Clone)] - | - -error[E0277]: the trait bound `NotClone: Clone` is not satisfied - --> $DIR/defaults-suitability.rs:22:15 - | -LL | type Ty = NotClone; - | ^^^^^^^^ the trait `Clone` is not implemented for `NotClone` - | -note: required by a bound in `Tr2::Ty` - --> $DIR/defaults-suitability.rs:20:15 - | -LL | Self::Ty: Clone, - | ^^^^^ required by this bound in `Tr2::Ty` -LL | { -LL | type Ty = NotClone; - | -- required by a bound in this -help: consider annotating `NotClone` with `#[derive(Clone)]` - | -LL | #[derive(Clone)] - | - -error[E0277]: the trait bound `T: Clone` is not satisfied - --> $DIR/defaults-suitability.rs:28:23 - | -LL | type Bar: Clone = Vec<T>; - | ^^^^^^ the trait `Clone` is not implemented for `T` - | - = note: required for `Vec<T>` to implement `Clone` -note: required by a bound in `Foo::Bar` - --> $DIR/defaults-suitability.rs:28:15 - | -LL | type Bar: Clone = Vec<T>; - | ^^^^^ required by this bound in `Foo::Bar` -help: consider restricting type parameter `T` - | -LL | trait Foo<T: std::clone::Clone> { - | +++++++++++++++++++ - -error[E0277]: the trait bound `(): Foo<Self>` is not satisfied - --> $DIR/defaults-suitability.rs:34:29 - | -LL | type Assoc: Foo<Self> = (); - | ^^ the trait `Foo<Self>` is not implemented for `()` - | -note: required by a bound in `Bar::Assoc` - --> $DIR/defaults-suitability.rs:34:17 - | -LL | type Assoc: Foo<Self> = (); - | ^^^^^^^^^ required by this bound in `Bar::Assoc` - -error[E0277]: the trait bound `NotClone: IsU8<NotClone>` is not satisfied - --> $DIR/defaults-suitability.rs:56:18 - | -LL | type Assoc = NotClone; - | ^^^^^^^^ the trait `IsU8<NotClone>` is not implemented for `NotClone` - | -note: required by a bound in `D::Assoc` - --> $DIR/defaults-suitability.rs:53:18 - | -LL | Self::Assoc: IsU8<Self::Assoc>, - | ^^^^^^^^^^^^^^^^^ required by this bound in `D::Assoc` -... -LL | type Assoc = NotClone; - | ----- required by a bound in this - -error[E0277]: the trait bound `<Self as Foo2<T>>::Baz: Clone` is not satisfied - --> $DIR/defaults-suitability.rs:65:23 - | -LL | type Bar: Clone = Vec<Self::Baz>; - | ^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `<Self as Foo2<T>>::Baz` - | - = note: required for `Vec<<Self as Foo2<T>>::Baz>` to implement `Clone` -note: required by a bound in `Foo2::Bar` - --> $DIR/defaults-suitability.rs:65:15 - | -LL | type Bar: Clone = Vec<Self::Baz>; - | ^^^^^ required by this bound in `Foo2::Bar` -help: consider further restricting the associated type - | -LL | trait Foo2<T> where <Self as Foo2<T>>::Baz: Clone { - | +++++++++++++++++++++++++++++++++++ - -error[E0277]: the trait bound `<Self as Foo25<T>>::Baz: Clone` is not satisfied - --> $DIR/defaults-suitability.rs:74:23 - | -LL | type Bar: Clone = Vec<Self::Baz>; - | ^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `<Self as Foo25<T>>::Baz` - | - = note: required for `Vec<<Self as Foo25<T>>::Baz>` to implement `Clone` -note: required by a bound in `Foo25::Bar` - --> $DIR/defaults-suitability.rs:74:15 - | -LL | type Bar: Clone = Vec<Self::Baz>; - | ^^^^^ required by this bound in `Foo25::Bar` -help: consider further restricting the associated type - | -LL | trait Foo25<T: Clone> where <Self as Foo25<T>>::Baz: Clone { - | ++++++++++++++++++++++++++++++++++++ - -error[E0277]: the trait bound `T: Clone` is not satisfied - --> $DIR/defaults-suitability.rs:87:16 - | -LL | type Baz = T; - | ^ the trait `Clone` is not implemented for `T` - | -note: required by a bound in `Foo3::Baz` - --> $DIR/defaults-suitability.rs:84:16 - | -LL | Self::Baz: Clone, - | ^^^^^ required by this bound in `Foo3::Baz` -... -LL | type Baz = T; - | --- required by a bound in this -help: consider further restricting type parameter `T` - | -LL | Self::Baz: Clone, T: std::clone::Clone - | ~~~~~~~~~~~~~~~~~~~~~~ - -error: aborting due to 8 previous errors - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/defaults-unsound-62211-1.rs b/src/test/ui/associated-types/defaults-unsound-62211-1.rs deleted file mode 100644 index fa6a208b4..000000000 --- a/src/test/ui/associated-types/defaults-unsound-62211-1.rs +++ /dev/null @@ -1,54 +0,0 @@ -//! Regression test for https://github.com/rust-lang/rust/issues/62211 -//! -//! The old implementation of defaults did not check whether the provided -//! default actually fulfills all bounds on the assoc. type, leading to -//! unsoundness, demonstrated here as a use-after-free. -//! -//! Note that the underlying cause of this is still not yet fixed. -//! See: https://github.com/rust-lang/rust/issues/33017 - -#![feature(associated_type_defaults)] - -use std::{ - fmt::Display, - ops::{AddAssign, Deref}, -}; - -trait UncheckedCopy: Sized { - // This Output is said to be Copy. Yet we default to Self - // and it's accepted, not knowing if Self ineed is Copy - type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self; - //~^ ERROR the trait bound `Self: Copy` is not satisfied - //~| ERROR the trait bound `Self: Deref` is not satisfied - //~| ERROR cannot add-assign `&'static str` to `Self` - //~| ERROR `Self` doesn't implement `std::fmt::Display` - - // We said the Output type was Copy, so we can Copy it freely! - fn unchecked_copy(other: &Self::Output) -> Self::Output { - (*other) - } - - fn make_origin(s: Self) -> Self::Output { - s.into() - } -} - -impl<T> UncheckedCopy for T {} - -fn bug<T: UncheckedCopy>(origin: T) { - let origin = T::make_origin(origin); - let mut copy = T::unchecked_copy(&origin); - - // assert we indeed have 2 strings pointing to the same buffer. - assert_eq!(origin.as_ptr(), copy.as_ptr()); - - // Drop the origin. Any use of `copy` is UB. - drop(origin); - - copy += "This is invalid!"; - println!("{}", copy); -} - -fn main() { - bug(String::from("hello!")); -} diff --git a/src/test/ui/associated-types/defaults-unsound-62211-1.stderr b/src/test/ui/associated-types/defaults-unsound-62211-1.stderr deleted file mode 100644 index 5cd1cb4a1..000000000 --- a/src/test/ui/associated-types/defaults-unsound-62211-1.stderr +++ /dev/null @@ -1,68 +0,0 @@ -error[E0277]: `Self` doesn't implement `std::fmt::Display` - --> $DIR/defaults-unsound-62211-1.rs:20:96 - | -LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self; - | ^^^^ `Self` cannot be formatted with the default formatter - | - = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead -note: required by a bound in `UncheckedCopy::Output` - --> $DIR/defaults-unsound-62211-1.rs:20:86 - | -LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self; - | ^^^^^^^ required by this bound in `UncheckedCopy::Output` -help: consider further restricting `Self` - | -LL | trait UncheckedCopy: Sized + std::fmt::Display { - | +++++++++++++++++++ - -error[E0277]: cannot add-assign `&'static str` to `Self` - --> $DIR/defaults-unsound-62211-1.rs:20:96 - | -LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self; - | ^^^^ no implementation for `Self += &'static str` - | -note: required by a bound in `UncheckedCopy::Output` - --> $DIR/defaults-unsound-62211-1.rs:20:47 - | -LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self; - | ^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `UncheckedCopy::Output` -help: consider further restricting `Self` - | -LL | trait UncheckedCopy: Sized + AddAssign<&'static str> { - | +++++++++++++++++++++++++ - -error[E0277]: the trait bound `Self: Deref` is not satisfied - --> $DIR/defaults-unsound-62211-1.rs:20:96 - | -LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self; - | ^^^^ the trait `Deref` is not implemented for `Self` - | -note: required by a bound in `UncheckedCopy::Output` - --> $DIR/defaults-unsound-62211-1.rs:20:25 - | -LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self; - | ^^^^^^^^^^^^^^^^^^^ required by this bound in `UncheckedCopy::Output` -help: consider further restricting `Self` - | -LL | trait UncheckedCopy: Sized + Deref { - | +++++++ - -error[E0277]: the trait bound `Self: Copy` is not satisfied - --> $DIR/defaults-unsound-62211-1.rs:20:96 - | -LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self; - | ^^^^ the trait `Copy` is not implemented for `Self` - | -note: required by a bound in `UncheckedCopy::Output` - --> $DIR/defaults-unsound-62211-1.rs:20:18 - | -LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self; - | ^^^^ required by this bound in `UncheckedCopy::Output` -help: consider further restricting `Self` - | -LL | trait UncheckedCopy: Sized + Copy { - | ++++++ - -error: aborting due to 4 previous errors - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/defaults-unsound-62211-2.rs b/src/test/ui/associated-types/defaults-unsound-62211-2.rs deleted file mode 100644 index c13ec776a..000000000 --- a/src/test/ui/associated-types/defaults-unsound-62211-2.rs +++ /dev/null @@ -1,54 +0,0 @@ -//! Regression test for https://github.com/rust-lang/rust/issues/62211 -//! -//! The old implementation of defaults did not check whether the provided -//! default actually fulfills all bounds on the assoc. type, leading to -//! unsoundness and ICEs, the latter being demonstrated here. -//! -//! Note that the underlying cause of this is still not yet fixed. -//! See: https://github.com/rust-lang/rust/issues/33017 - -#![feature(associated_type_defaults)] - -use std::{ - fmt::Display, - ops::{AddAssign, Deref}, -}; - -trait UncheckedCopy: Sized { - // This Output is said to be Copy. Yet we default to Self - // and it's accepted, not knowing if Self ineed is Copy - type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self; - //~^ ERROR the trait bound `Self: Copy` is not satisfied - //~| ERROR the trait bound `Self: Deref` is not satisfied - //~| ERROR cannot add-assign `&'static str` to `Self` - //~| ERROR `Self` doesn't implement `std::fmt::Display` - - // We said the Output type was Copy, so we can Copy it freely! - fn unchecked_copy(other: &Self::Output) -> Self::Output { - (*other) - } - - fn make_origin(s: Self) -> Self::Output { - s.into() - } -} - -impl<T> UncheckedCopy for T {} - -fn bug<T: UncheckedCopy>(origin: T) { - let origin = T::make_origin(origin); - let mut copy = T::unchecked_copy(&origin); - - // assert we indeed have 2 strings pointing to the same buffer. - assert_eq!(origin.as_ptr(), copy.as_ptr()); - - // Drop the origin. Any use of `copy` is UB. - drop(origin); - - copy += "This is invalid!"; - println!("{}", copy); -} - -fn main() { - bug(()); -} diff --git a/src/test/ui/associated-types/defaults-unsound-62211-2.stderr b/src/test/ui/associated-types/defaults-unsound-62211-2.stderr deleted file mode 100644 index 89319bb75..000000000 --- a/src/test/ui/associated-types/defaults-unsound-62211-2.stderr +++ /dev/null @@ -1,68 +0,0 @@ -error[E0277]: `Self` doesn't implement `std::fmt::Display` - --> $DIR/defaults-unsound-62211-2.rs:20:96 - | -LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self; - | ^^^^ `Self` cannot be formatted with the default formatter - | - = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead -note: required by a bound in `UncheckedCopy::Output` - --> $DIR/defaults-unsound-62211-2.rs:20:86 - | -LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self; - | ^^^^^^^ required by this bound in `UncheckedCopy::Output` -help: consider further restricting `Self` - | -LL | trait UncheckedCopy: Sized + std::fmt::Display { - | +++++++++++++++++++ - -error[E0277]: cannot add-assign `&'static str` to `Self` - --> $DIR/defaults-unsound-62211-2.rs:20:96 - | -LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self; - | ^^^^ no implementation for `Self += &'static str` - | -note: required by a bound in `UncheckedCopy::Output` - --> $DIR/defaults-unsound-62211-2.rs:20:47 - | -LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self; - | ^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `UncheckedCopy::Output` -help: consider further restricting `Self` - | -LL | trait UncheckedCopy: Sized + AddAssign<&'static str> { - | +++++++++++++++++++++++++ - -error[E0277]: the trait bound `Self: Deref` is not satisfied - --> $DIR/defaults-unsound-62211-2.rs:20:96 - | -LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self; - | ^^^^ the trait `Deref` is not implemented for `Self` - | -note: required by a bound in `UncheckedCopy::Output` - --> $DIR/defaults-unsound-62211-2.rs:20:25 - | -LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self; - | ^^^^^^^^^^^^^^^^^^^ required by this bound in `UncheckedCopy::Output` -help: consider further restricting `Self` - | -LL | trait UncheckedCopy: Sized + Deref { - | +++++++ - -error[E0277]: the trait bound `Self: Copy` is not satisfied - --> $DIR/defaults-unsound-62211-2.rs:20:96 - | -LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self; - | ^^^^ the trait `Copy` is not implemented for `Self` - | -note: required by a bound in `UncheckedCopy::Output` - --> $DIR/defaults-unsound-62211-2.rs:20:18 - | -LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self; - | ^^^^ required by this bound in `UncheckedCopy::Output` -help: consider further restricting `Self` - | -LL | trait UncheckedCopy: Sized + Copy { - | ++++++ - -error: aborting due to 4 previous errors - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/defaults-wf.rs b/src/test/ui/associated-types/defaults-wf.rs deleted file mode 100644 index 99b512503..000000000 --- a/src/test/ui/associated-types/defaults-wf.rs +++ /dev/null @@ -1,11 +0,0 @@ -// Check that associated type defaults are wf checked. - -#![feature(associated_type_defaults)] - -// Default types must always be wf -trait Tr3 { - type Ty = Vec<[u8]>; - //~^ ERROR the size for values of type `[u8]` cannot be known at compilation time -} - -fn main() {} diff --git a/src/test/ui/associated-types/defaults-wf.stderr b/src/test/ui/associated-types/defaults-wf.stderr deleted file mode 100644 index 8455f88f1..000000000 --- a/src/test/ui/associated-types/defaults-wf.stderr +++ /dev/null @@ -1,16 +0,0 @@ -error[E0277]: the size for values of type `[u8]` cannot be known at compilation time - --> $DIR/defaults-wf.rs:7:15 - | -LL | type Ty = Vec<[u8]>; - | ^^^^^^^^^ doesn't have a size known at compile-time - | - = help: the trait `Sized` is not implemented for `[u8]` -note: required by a bound in `Vec` - --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL - | -LL | pub struct Vec<T, #[unstable(feature = "allocator_api", issue = "32838")] A: Allocator = Global> { - | ^ required by this bound in `Vec` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/higher-ranked-projection.bad.stderr b/src/test/ui/associated-types/higher-ranked-projection.bad.stderr deleted file mode 100644 index 239f45539..000000000 --- a/src/test/ui/associated-types/higher-ranked-projection.bad.stderr +++ /dev/null @@ -1,17 +0,0 @@ -error[E0308]: mismatched types - --> $DIR/higher-ranked-projection.rs:23:5 - | -LL | foo(()); - | ^^^^^^^ one type is more general than the other - | - = note: expected reference `&'a ()` - found reference `&()` -note: the lifetime requirement is introduced here - --> $DIR/higher-ranked-projection.rs:14:33 - | -LL | where for<'a> &'a T: Mirror<Image=U> - | ^^^^^^^ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/associated-types/higher-ranked-projection.rs b/src/test/ui/associated-types/higher-ranked-projection.rs deleted file mode 100644 index 7e6c509a2..000000000 --- a/src/test/ui/associated-types/higher-ranked-projection.rs +++ /dev/null @@ -1,25 +0,0 @@ -// revisions: good bad -//[good] check-pass - -trait Mirror { - type Image; -} - -impl<T> Mirror for T { - type Image = T; -} - -#[cfg(bad)] -fn foo<U, T>(_t: T) - where for<'a> &'a T: Mirror<Image=U> -{} - -#[cfg(good)] -fn foo<U, T>(_t: T) - where for<'a> &'a T: Mirror<Image=&'a U> -{} - -fn main() { - foo(()); - //[bad]~^ ERROR mismatched types -} diff --git a/src/test/ui/associated-types/hr-associated-type-bound-1.rs b/src/test/ui/associated-types/hr-associated-type-bound-1.rs deleted file mode 100644 index db414164e..000000000 --- a/src/test/ui/associated-types/hr-associated-type-bound-1.rs +++ /dev/null @@ -1,18 +0,0 @@ -trait X<'a> -where - for<'b> <Self as X<'b>>::U: Clone, -{ - type U: ?Sized; - fn f(&self, x: &Self::U) { - <Self::U>::clone(x); - } -} - -impl X<'_> for i32 { - type U = str; - //~^ ERROR the trait bound `str: Clone` -} - -fn main() { - 1i32.f("abc"); -} diff --git a/src/test/ui/associated-types/hr-associated-type-bound-1.stderr b/src/test/ui/associated-types/hr-associated-type-bound-1.stderr deleted file mode 100644 index 73b5e1053..000000000 --- a/src/test/ui/associated-types/hr-associated-type-bound-1.stderr +++ /dev/null @@ -1,19 +0,0 @@ -error[E0277]: the trait bound `str: Clone` is not satisfied - --> $DIR/hr-associated-type-bound-1.rs:12:14 - | -LL | type U = str; - | ^^^ the trait `Clone` is not implemented for `str` - | - = help: the trait `Clone` is implemented for `String` -note: required by a bound in `X` - --> $DIR/hr-associated-type-bound-1.rs:3:33 - | -LL | trait X<'a> - | - required by a bound in this -LL | where -LL | for<'b> <Self as X<'b>>::U: Clone, - | ^^^^^ required by this bound in `X` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/hr-associated-type-bound-2.rs b/src/test/ui/associated-types/hr-associated-type-bound-2.rs deleted file mode 100644 index a89f61a81..000000000 --- a/src/test/ui/associated-types/hr-associated-type-bound-2.rs +++ /dev/null @@ -1,20 +0,0 @@ -trait X<'a> -where - for<'b> <Self as X<'b>>::U: Clone, -{ - type U: ?Sized; - fn f(&self, x: &Self::U) { - <Self::U>::clone(x); - } -} - -impl X<'_> for u32 //~ overflow evaluating the requirement `for<'b> u32: X<'b>` -where - for<'b> <Self as X<'b>>::U: Clone, -{ - type U = str; -} - -fn main() { - 1u32.f("abc"); -} diff --git a/src/test/ui/associated-types/hr-associated-type-bound-2.stderr b/src/test/ui/associated-types/hr-associated-type-bound-2.stderr deleted file mode 100644 index a85edd7a0..000000000 --- a/src/test/ui/associated-types/hr-associated-type-bound-2.stderr +++ /dev/null @@ -1,18 +0,0 @@ -error[E0275]: overflow evaluating the requirement `for<'b> u32: X<'b>` - --> $DIR/hr-associated-type-bound-2.rs:11:1 - | -LL | impl X<'_> for u32 - | ^^^^^^^^^^^^^^^^^^ - | - = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`hr_associated_type_bound_2`) -note: required for `u32` to implement `for<'b> X<'b>` - --> $DIR/hr-associated-type-bound-2.rs:11:6 - | -LL | impl X<'_> for u32 - | ^^^^^ ^^^ - = note: 128 redundant requirements hidden - = note: required for `u32` to implement `for<'b> X<'b>` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0275`. diff --git a/src/test/ui/associated-types/hr-associated-type-bound-object.rs b/src/test/ui/associated-types/hr-associated-type-bound-object.rs deleted file mode 100644 index e19c918c3..000000000 --- a/src/test/ui/associated-types/hr-associated-type-bound-object.rs +++ /dev/null @@ -1,14 +0,0 @@ -trait X<'a> -where - for<'b> <Self as X<'b>>::U: Clone, -{ - type U: ?Sized; -} -fn f<'a, T: X<'a> + ?Sized>(x: &<T as X<'a>>::U) { - //~^ ERROR the trait bound `for<'b> <T as X<'b>>::U: Clone` is not satisfied - <<T as X<'_>>::U>::clone(x); -} - -pub fn main() { - f::<dyn X<'_, U = str>>("abc"); -} diff --git a/src/test/ui/associated-types/hr-associated-type-bound-object.stderr b/src/test/ui/associated-types/hr-associated-type-bound-object.stderr deleted file mode 100644 index 6d19186bd..000000000 --- a/src/test/ui/associated-types/hr-associated-type-bound-object.stderr +++ /dev/null @@ -1,18 +0,0 @@ -error[E0277]: the trait bound `for<'b> <T as X<'b>>::U: Clone` is not satisfied - --> $DIR/hr-associated-type-bound-object.rs:7:13 - | -LL | fn f<'a, T: X<'a> + ?Sized>(x: &<T as X<'a>>::U) { - | ^^^^^ the trait `for<'b> Clone` is not implemented for `<T as X<'b>>::U` - | -note: required by a bound in `X` - --> $DIR/hr-associated-type-bound-object.rs:3:33 - | -LL | trait X<'a> - | - required by a bound in this -LL | where -LL | for<'b> <Self as X<'b>>::U: Clone, - | ^^^^^ required by this bound in `X` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/hr-associated-type-bound-param-1.rs b/src/test/ui/associated-types/hr-associated-type-bound-param-1.rs deleted file mode 100644 index bbeeb145d..000000000 --- a/src/test/ui/associated-types/hr-associated-type-bound-param-1.rs +++ /dev/null @@ -1,20 +0,0 @@ -trait Y<'a, T: ?Sized> -where - T: Y<'a, Self>, - for<'b> <Self as Y<'b, T>>::V: Clone, - for<'b> <T as Y<'b, Self>>::V: Clone, -{ - type V: ?Sized; - fn g(&self, x: &Self::V) { - <Self::V>::clone(x); - } -} - -impl<'a> Y<'a, u8> for u8 { - type V = str; - //~^ ERROR the trait bound `str: Clone` is not satisfied -} - -fn main() { - 1u8.g("abc"); -} diff --git a/src/test/ui/associated-types/hr-associated-type-bound-param-1.stderr b/src/test/ui/associated-types/hr-associated-type-bound-param-1.stderr deleted file mode 100644 index af2e61689..000000000 --- a/src/test/ui/associated-types/hr-associated-type-bound-param-1.stderr +++ /dev/null @@ -1,19 +0,0 @@ -error[E0277]: the trait bound `str: Clone` is not satisfied - --> $DIR/hr-associated-type-bound-param-1.rs:14:14 - | -LL | type V = str; - | ^^^ the trait `Clone` is not implemented for `str` - | - = help: the trait `Clone` is implemented for `String` -note: required by a bound in `Y` - --> $DIR/hr-associated-type-bound-param-1.rs:4:36 - | -LL | trait Y<'a, T: ?Sized> - | - required by a bound in this -... -LL | for<'b> <Self as Y<'b, T>>::V: Clone, - | ^^^^^ required by this bound in `Y` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/hr-associated-type-bound-param-2.rs b/src/test/ui/associated-types/hr-associated-type-bound-param-2.rs deleted file mode 100644 index f74c5a859..000000000 --- a/src/test/ui/associated-types/hr-associated-type-bound-param-2.rs +++ /dev/null @@ -1,21 +0,0 @@ -trait Z<'a, T: ?Sized> -where - T: Z<'a, u16>, - //~^ the trait bound `str: Clone` is not satisfied - //~| the trait bound `str: Clone` is not satisfied - for<'b> <T as Z<'b, u16>>::W: Clone, -{ - type W: ?Sized; - fn h(&self, x: &T::W) { - <T::W>::clone(x); - } -} - -impl<'a> Z<'a, u16> for u16 { - type W = str; - //~^ ERROR the trait bound `str: Clone -} - -fn main() { - 1u16.h("abc"); -} diff --git a/src/test/ui/associated-types/hr-associated-type-bound-param-2.stderr b/src/test/ui/associated-types/hr-associated-type-bound-param-2.stderr deleted file mode 100644 index 52294f8c9..000000000 --- a/src/test/ui/associated-types/hr-associated-type-bound-param-2.stderr +++ /dev/null @@ -1,51 +0,0 @@ -error[E0277]: the trait bound `str: Clone` is not satisfied - --> $DIR/hr-associated-type-bound-param-2.rs:3:8 - | -LL | T: Z<'a, u16>, - | ^^^^^^^^^^ the trait `Clone` is not implemented for `str` - | - = help: the trait `Clone` is implemented for `String` -note: required by a bound in `Z` - --> $DIR/hr-associated-type-bound-param-2.rs:6:35 - | -LL | trait Z<'a, T: ?Sized> - | - required by a bound in this -... -LL | for<'b> <T as Z<'b, u16>>::W: Clone, - | ^^^^^ required by this bound in `Z` - -error[E0277]: the trait bound `str: Clone` is not satisfied - --> $DIR/hr-associated-type-bound-param-2.rs:15:14 - | -LL | type W = str; - | ^^^ the trait `Clone` is not implemented for `str` - | - = help: the trait `Clone` is implemented for `String` -note: required by a bound in `Z` - --> $DIR/hr-associated-type-bound-param-2.rs:6:35 - | -LL | trait Z<'a, T: ?Sized> - | - required by a bound in this -... -LL | for<'b> <T as Z<'b, u16>>::W: Clone, - | ^^^^^ required by this bound in `Z` - -error[E0277]: the trait bound `str: Clone` is not satisfied - --> $DIR/hr-associated-type-bound-param-2.rs:3:8 - | -LL | T: Z<'a, u16>, - | ^^^^^^^^^^ the trait `Clone` is not implemented for `str` - | - = help: the trait `Clone` is implemented for `String` -note: required by a bound in `Z` - --> $DIR/hr-associated-type-bound-param-2.rs:6:35 - | -LL | trait Z<'a, T: ?Sized> - | - required by a bound in this -... -LL | for<'b> <T as Z<'b, u16>>::W: Clone, - | ^^^^^ required by this bound in `Z` - -error: aborting due to 3 previous errors - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/hr-associated-type-bound-param-3.rs b/src/test/ui/associated-types/hr-associated-type-bound-param-3.rs deleted file mode 100644 index fda7d8111..000000000 --- a/src/test/ui/associated-types/hr-associated-type-bound-param-3.rs +++ /dev/null @@ -1,19 +0,0 @@ -trait X<'a, T> -where - for<'b> T: X<'b, T>, - for<'b> <T as X<'b, T>>::U: Clone, -{ - type U: ?Sized; - fn f(x: &<T as X<'_, T>>::U) { - <<T as X<'_, T>>::U>::clone(x); - } -} - -impl<S, T> X<'_, (T,)> for (S,) { - type U = str; - //~^ ERROR the trait bound `str: Clone` is not satisfied -} - -pub fn main() { - <(i32,) as X<(i32,)>>::f("abc"); -} diff --git a/src/test/ui/associated-types/hr-associated-type-bound-param-3.stderr b/src/test/ui/associated-types/hr-associated-type-bound-param-3.stderr deleted file mode 100644 index 84d5e0494..000000000 --- a/src/test/ui/associated-types/hr-associated-type-bound-param-3.stderr +++ /dev/null @@ -1,19 +0,0 @@ -error[E0277]: the trait bound `str: Clone` is not satisfied - --> $DIR/hr-associated-type-bound-param-3.rs:13:14 - | -LL | type U = str; - | ^^^ the trait `Clone` is not implemented for `str` - | - = help: the trait `Clone` is implemented for `String` -note: required by a bound in `X` - --> $DIR/hr-associated-type-bound-param-3.rs:4:33 - | -LL | trait X<'a, T> - | - required by a bound in this -... -LL | for<'b> <T as X<'b, T>>::U: Clone, - | ^^^^^ required by this bound in `X` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/hr-associated-type-bound-param-4.rs b/src/test/ui/associated-types/hr-associated-type-bound-param-4.rs deleted file mode 100644 index 20c8157ed..000000000 --- a/src/test/ui/associated-types/hr-associated-type-bound-param-4.rs +++ /dev/null @@ -1,19 +0,0 @@ -trait X<'a, T> -where - for<'b> (T,): X<'b, T>, - for<'b> <(T,) as X<'b, T>>::U: Clone, -{ - type U: ?Sized; - fn f(x: &<(T,) as X<'_, T>>::U) { - <<(T,) as X<'_, T>>::U>::clone(x); - } -} - -impl<S, T> X<'_, T> for (S,) { - type U = str; - //~^ ERROR the trait bound `str: Clone` is not satisfied -} - -pub fn main() { - <(i32,) as X<i32>>::f("abc"); -} diff --git a/src/test/ui/associated-types/hr-associated-type-bound-param-4.stderr b/src/test/ui/associated-types/hr-associated-type-bound-param-4.stderr deleted file mode 100644 index ee1d5d324..000000000 --- a/src/test/ui/associated-types/hr-associated-type-bound-param-4.stderr +++ /dev/null @@ -1,19 +0,0 @@ -error[E0277]: the trait bound `str: Clone` is not satisfied - --> $DIR/hr-associated-type-bound-param-4.rs:13:14 - | -LL | type U = str; - | ^^^ the trait `Clone` is not implemented for `str` - | - = help: the trait `Clone` is implemented for `String` -note: required by a bound in `X` - --> $DIR/hr-associated-type-bound-param-4.rs:4:36 - | -LL | trait X<'a, T> - | - required by a bound in this -... -LL | for<'b> <(T,) as X<'b, T>>::U: Clone, - | ^^^^^ required by this bound in `X` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/hr-associated-type-bound-param-5.rs b/src/test/ui/associated-types/hr-associated-type-bound-param-5.rs deleted file mode 100644 index d7f3151a5..000000000 --- a/src/test/ui/associated-types/hr-associated-type-bound-param-5.rs +++ /dev/null @@ -1,37 +0,0 @@ -trait Cycle: Sized { - type Next: Cycle<Next = Self>; -} - -impl<T> Cycle for Box<T> { - type Next = Vec<T>; -} - -impl<T> Cycle for Vec<T> { - type Next = Box<T>; -} - -trait X<'a, T: Cycle + for<'b> X<'b, T>> -where - for<'b> <T as X<'b, T>>::U: Clone, - for<'b> T::Next: X<'b, T::Next>, - for<'b> <T::Next as X<'b, T::Next>>::U: Clone, -{ - type U: ?Sized; - fn f(x: &<T as X<'_, T>>::U) { - <<T as X<'_, T>>::U>::clone(x); - } -} - -impl<S, T> X<'_, Vec<T>> for S { - type U = str; - //~^ ERROR the trait bound `str: Clone` is not satisfied -} - -impl<S, T> X<'_, Box<T>> for S { - type U = str; - //~^ ERROR the trait bound `str: Clone` is not satisfied -} - -pub fn main() { - <i32 as X<Box<i32>>>::f("abc"); -} diff --git a/src/test/ui/associated-types/hr-associated-type-bound-param-5.stderr b/src/test/ui/associated-types/hr-associated-type-bound-param-5.stderr deleted file mode 100644 index ece3151ba..000000000 --- a/src/test/ui/associated-types/hr-associated-type-bound-param-5.stderr +++ /dev/null @@ -1,35 +0,0 @@ -error[E0277]: the trait bound `str: Clone` is not satisfied - --> $DIR/hr-associated-type-bound-param-5.rs:26:14 - | -LL | type U = str; - | ^^^ the trait `Clone` is not implemented for `str` - | - = help: the trait `Clone` is implemented for `String` -note: required by a bound in `X` - --> $DIR/hr-associated-type-bound-param-5.rs:17:45 - | -LL | trait X<'a, T: Cycle + for<'b> X<'b, T>> - | - required by a bound in this -... -LL | for<'b> <T::Next as X<'b, T::Next>>::U: Clone, - | ^^^^^ required by this bound in `X` - -error[E0277]: the trait bound `str: Clone` is not satisfied - --> $DIR/hr-associated-type-bound-param-5.rs:31:14 - | -LL | type U = str; - | ^^^ the trait `Clone` is not implemented for `str` - | - = help: the trait `Clone` is implemented for `String` -note: required by a bound in `X` - --> $DIR/hr-associated-type-bound-param-5.rs:17:45 - | -LL | trait X<'a, T: Cycle + for<'b> X<'b, T>> - | - required by a bound in this -... -LL | for<'b> <T::Next as X<'b, T::Next>>::U: Clone, - | ^^^^^ required by this bound in `X` - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/hr-associated-type-bound-param-6.rs b/src/test/ui/associated-types/hr-associated-type-bound-param-6.rs deleted file mode 100644 index 482047b09..000000000 --- a/src/test/ui/associated-types/hr-associated-type-bound-param-6.rs +++ /dev/null @@ -1,19 +0,0 @@ -trait X<'a, T> -where - for<'b> T: X<'b, T>, - for<'b> <T as X<'b, T>>::U: Clone, -{ - type U: ?Sized; - fn f(x: &<T as X<'_, T>>::U) { - <<T as X<'_, T>>::U>::clone(x); - } -} - -impl<S, T> X<'_, T> for (S,) { - //~^ ERROR the trait bound `for<'b> T: X<'b, T>` is not satisfied - type U = str; -} - -pub fn main() { - <(i32,) as X<i32>>::f("abc"); -} diff --git a/src/test/ui/associated-types/hr-associated-type-bound-param-6.stderr b/src/test/ui/associated-types/hr-associated-type-bound-param-6.stderr deleted file mode 100644 index bd6e627a3..000000000 --- a/src/test/ui/associated-types/hr-associated-type-bound-param-6.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error[E0277]: the trait bound `for<'b> T: X<'b, T>` is not satisfied - --> $DIR/hr-associated-type-bound-param-6.rs:12:12 - | -LL | impl<S, T> X<'_, T> for (S,) { - | ^^^^^^^^ the trait `for<'b> X<'b, T>` is not implemented for `T` - | -help: consider restricting type parameter `T` - | -LL | impl<S, T: for<'b> X<'b, T>> X<'_, T> for (S,) { - | ++++++++++++++++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/hr-associated-type-projection-1.rs b/src/test/ui/associated-types/hr-associated-type-projection-1.rs deleted file mode 100644 index 951dd9e97..000000000 --- a/src/test/ui/associated-types/hr-associated-type-projection-1.rs +++ /dev/null @@ -1,20 +0,0 @@ -trait UnsafeCopy<'a, T: Copy> -where - for<'b> <Self as UnsafeCopy<'b, T>>::Item: std::ops::Deref<Target = T>, -{ - type Item; - - fn bug(item: &Self::Item) -> () { - let x: T = **item; - &x as *const _; - } -} - -impl<T: Copy + std::ops::Deref> UnsafeCopy<'_, T> for T { - //~^ type mismatch resolving `<T as Deref>::Target == T` - type Item = T; -} - -pub fn main() { - <&'static str>::bug(&""); -} diff --git a/src/test/ui/associated-types/hr-associated-type-projection-1.stderr b/src/test/ui/associated-types/hr-associated-type-projection-1.stderr deleted file mode 100644 index a65f84ae5..000000000 --- a/src/test/ui/associated-types/hr-associated-type-projection-1.stderr +++ /dev/null @@ -1,24 +0,0 @@ -error[E0271]: type mismatch resolving `<T as Deref>::Target == T` - --> $DIR/hr-associated-type-projection-1.rs:13:33 - | -LL | impl<T: Copy + std::ops::Deref> UnsafeCopy<'_, T> for T { - | - this type parameter ^^^^^^^^^^^^^^^^^ expected type parameter `T`, found associated type - | - = note: expected type parameter `T` - found associated type `<T as Deref>::Target` -note: required by a bound in `UnsafeCopy` - --> $DIR/hr-associated-type-projection-1.rs:3:64 - | -LL | trait UnsafeCopy<'a, T: Copy> - | ---------- required by a bound in this -LL | where -LL | for<'b> <Self as UnsafeCopy<'b, T>>::Item: std::ops::Deref<Target = T>, - | ^^^^^^^^^^ required by this bound in `UnsafeCopy` -help: consider further restricting this bound - | -LL | impl<T: Copy + std::ops::Deref + Deref<Target = T>> UnsafeCopy<'_, T> for T { - | +++++++++++++++++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0271`. diff --git a/src/test/ui/associated-types/impl-trait-return-missing-constraint.rs b/src/test/ui/associated-types/impl-trait-return-missing-constraint.rs deleted file mode 100644 index 1de1ddbe3..000000000 --- a/src/test/ui/associated-types/impl-trait-return-missing-constraint.rs +++ /dev/null @@ -1,32 +0,0 @@ -trait Foo { - type Item; -} - -trait Bar: Foo {} - -struct S; - -impl Foo for S { - type Item = i32; -} -impl Bar for S {} - -struct T; - -impl Foo for T { - type Item = u32; -} -impl Bar for T {} - -fn bar() -> impl Bar { - T -} - -fn baz() -> impl Bar<Item = i32> { - //~^ ERROR type mismatch resolving `<impl Bar as Foo>::Item == i32` - bar() -} - -fn main() { - let _ = baz(); -} diff --git a/src/test/ui/associated-types/impl-trait-return-missing-constraint.stderr b/src/test/ui/associated-types/impl-trait-return-missing-constraint.stderr deleted file mode 100644 index fbd76a64c..000000000 --- a/src/test/ui/associated-types/impl-trait-return-missing-constraint.stderr +++ /dev/null @@ -1,24 +0,0 @@ -error[E0271]: type mismatch resolving `<impl Bar as Foo>::Item == i32` - --> $DIR/impl-trait-return-missing-constraint.rs:25:13 - | -LL | fn bar() -> impl Bar { - | -------- the expected opaque type -... -LL | fn baz() -> impl Bar<Item = i32> { - | ^^^^^^^^^^^^^^^^^^^^ expected associated type, found `i32` -LL | -LL | bar() - | ----- return type was inferred to be `impl Bar` here - | - = note: expected associated type `<impl Bar as Foo>::Item` - found type `i32` - = help: consider constraining the associated type `<impl Bar as Foo>::Item` to `i32` or calling a method that returns `<impl Bar as Foo>::Item` - = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html -help: consider constraining the associated type `<impl Bar as Foo>::Item` to `i32` - | -LL | fn bar() -> impl Bar<Item = i32> { - | ++++++++++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0271`. diff --git a/src/test/ui/associated-types/impl-wf-cycle-1.rs b/src/test/ui/associated-types/impl-wf-cycle-1.rs deleted file mode 100644 index 365eddaed..000000000 --- a/src/test/ui/associated-types/impl-wf-cycle-1.rs +++ /dev/null @@ -1,27 +0,0 @@ -// Regression test for #79714 - -trait Baz {} -impl Baz for () {} -impl<T> Baz for (T,) {} - -trait Fiz {} -impl Fiz for bool {} - -trait Grault { - type A; - type B; -} - -impl<T: Grault> Grault for (T,) -//~^ ERROR overflow evaluating the requirement `<(T,) as Grault>::A == _` -where - Self::A: Baz, - Self::B: Fiz, -{ - type A = (); - type B = bool; -} - -fn main() { - let x: <(_,) as Grault>::A = (); -} diff --git a/src/test/ui/associated-types/impl-wf-cycle-1.stderr b/src/test/ui/associated-types/impl-wf-cycle-1.stderr deleted file mode 100644 index 6661347e4..000000000 --- a/src/test/ui/associated-types/impl-wf-cycle-1.stderr +++ /dev/null @@ -1,17 +0,0 @@ -error[E0275]: overflow evaluating the requirement `<(T,) as Grault>::A == _` - --> $DIR/impl-wf-cycle-1.rs:15:1 - | -LL | impl<T: Grault> Grault for (T,) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | -note: required for `(T,)` to implement `Grault` - --> $DIR/impl-wf-cycle-1.rs:15:17 - | -LL | impl<T: Grault> Grault for (T,) - | ^^^^^^ ^^^^ - = note: 1 redundant requirement hidden - = note: required for `(T,)` to implement `Grault` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0275`. diff --git a/src/test/ui/associated-types/impl-wf-cycle-2.rs b/src/test/ui/associated-types/impl-wf-cycle-2.rs deleted file mode 100644 index f2f3072e3..000000000 --- a/src/test/ui/associated-types/impl-wf-cycle-2.rs +++ /dev/null @@ -1,15 +0,0 @@ -// Regression test for #79714 - -trait Grault { - type A; -} - -impl<T: Grault> Grault for (T,) -//~^ ERROR overflow evaluating the requirement `<(T,) as Grault>::A == _` -where - Self::A: Copy, -{ - type A = (); -} - -fn main() {} diff --git a/src/test/ui/associated-types/impl-wf-cycle-2.stderr b/src/test/ui/associated-types/impl-wf-cycle-2.stderr deleted file mode 100644 index ec4ffe27c..000000000 --- a/src/test/ui/associated-types/impl-wf-cycle-2.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error[E0275]: overflow evaluating the requirement `<(T,) as Grault>::A == _` - --> $DIR/impl-wf-cycle-2.rs:7:1 - | -LL | impl<T: Grault> Grault for (T,) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | -note: required for `(T,)` to implement `Grault` - --> $DIR/impl-wf-cycle-2.rs:7:17 - | -LL | impl<T: Grault> Grault for (T,) - | ^^^^^^ ^^^^ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0275`. diff --git a/src/test/ui/associated-types/issue-18655.rs b/src/test/ui/associated-types/issue-18655.rs deleted file mode 100644 index 3d18542ac..000000000 --- a/src/test/ui/associated-types/issue-18655.rs +++ /dev/null @@ -1,22 +0,0 @@ -// run-pass -trait Factory { - type Product; - fn create(&self) -> <Self as Factory>::Product; -} - -impl Factory for f64 { - type Product = f64; - fn create(&self) -> f64 { *self * *self } -} - -impl<A: Factory, B: Factory> Factory for (A, B) { - type Product = (<A as Factory>::Product, <B as Factory>::Product); - fn create(&self) -> (<A as Factory>::Product, <B as Factory>::Product) { - let (ref a, ref b) = *self; - (a.create(), b.create()) - } -} - -fn main() { - assert_eq!((16., 25.), (4., 5.).create()); -} diff --git a/src/test/ui/associated-types/issue-19081.rs b/src/test/ui/associated-types/issue-19081.rs deleted file mode 100644 index fbfe4c6f8..000000000 --- a/src/test/ui/associated-types/issue-19081.rs +++ /dev/null @@ -1,14 +0,0 @@ -// check-pass -pub trait Hasher { - type State; - - fn hash<T: Hash< - <Self as Hasher>::State - >>(&self, value: &T) -> u64; -} - -pub trait Hash<S> { - fn hash(&self, state: &mut S); -} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-19883.rs b/src/test/ui/associated-types/issue-19883.rs deleted file mode 100644 index 5cf422043..000000000 --- a/src/test/ui/associated-types/issue-19883.rs +++ /dev/null @@ -1,16 +0,0 @@ -trait From<Src> { - type Output; - - fn from(src: Src) -> <Self as From<Src>>::Output; -} - -trait To: Sized { - fn to<Dst: From<Self>>(self) -> - <Dst as From<Self>>::Dst - //~^ ERROR cannot find associated type `Dst` in trait `From` - { - From::from(self) - } -} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-19883.stderr b/src/test/ui/associated-types/issue-19883.stderr deleted file mode 100644 index bd6a86b74..000000000 --- a/src/test/ui/associated-types/issue-19883.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error[E0576]: cannot find associated type `Dst` in trait `From` - --> $DIR/issue-19883.rs:9:30 - | -LL | type Output; - | ------------ associated type `Output` defined here -... -LL | <Dst as From<Self>>::Dst - | ^^^ - | | - | not found in `From` - | help: maybe you meant this associated type: `Output` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0576`. diff --git a/src/test/ui/associated-types/issue-20005.rs b/src/test/ui/associated-types/issue-20005.rs deleted file mode 100644 index 36350bff1..000000000 --- a/src/test/ui/associated-types/issue-20005.rs +++ /dev/null @@ -1,15 +0,0 @@ -trait From<Src> { - type Result; - - fn from(src: Src) -> Self::Result; -} - -trait To { - fn to<Dst>( - self - ) -> <Dst as From<Self>>::Result where Dst: From<Self> { //~ ERROR the size for values of type - From::from(self) - } -} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-20005.stderr b/src/test/ui/associated-types/issue-20005.stderr deleted file mode 100644 index c8e57df0d..000000000 --- a/src/test/ui/associated-types/issue-20005.stderr +++ /dev/null @@ -1,23 +0,0 @@ -error[E0277]: the size for values of type `Self` cannot be known at compilation time - --> $DIR/issue-20005.rs:10:49 - | -LL | ) -> <Dst as From<Self>>::Result where Dst: From<Self> { - | ^^^^^^^^^^ doesn't have a size known at compile-time - | -note: required by a bound in `From` - --> $DIR/issue-20005.rs:1:12 - | -LL | trait From<Src> { - | ^^^ required by this bound in `From` -help: consider further restricting `Self` - | -LL | ) -> <Dst as From<Self>>::Result where Dst: From<Self>, Self: Sized { - | +++++++++++++ -help: consider relaxing the implicit `Sized` restriction - | -LL | trait From<Src: ?Sized> { - | ++++++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/issue-20825-2.rs b/src/test/ui/associated-types/issue-20825-2.rs deleted file mode 100644 index b79a29730..000000000 --- a/src/test/ui/associated-types/issue-20825-2.rs +++ /dev/null @@ -1,10 +0,0 @@ -// check-pass -pub trait Subscriber { - type Input; -} - -pub trait Processor: Subscriber<Input = <Self as Processor>::Input> { - type Input; -} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-20825.rs b/src/test/ui/associated-types/issue-20825.rs deleted file mode 100644 index 516c304d8..000000000 --- a/src/test/ui/associated-types/issue-20825.rs +++ /dev/null @@ -1,10 +0,0 @@ -pub trait Subscriber { - type Input; -} - -pub trait Processor: Subscriber<Input = Self::Input> { - //~^ ERROR cycle detected - type Input; -} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-20825.stderr b/src/test/ui/associated-types/issue-20825.stderr deleted file mode 100644 index be2bbd448..000000000 --- a/src/test/ui/associated-types/issue-20825.stderr +++ /dev/null @@ -1,16 +0,0 @@ -error[E0391]: cycle detected when computing the super traits of `Processor` with associated type name `Input` - --> $DIR/issue-20825.rs:5:1 - | -LL | pub trait Processor: Subscriber<Input = Self::Input> { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: ...which immediately requires computing the super traits of `Processor` with associated type name `Input` again -note: cycle used when computing the super traits of `Processor` - --> $DIR/issue-20825.rs:5:1 - | -LL | pub trait Processor: Subscriber<Input = Self::Input> { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0391`. diff --git a/src/test/ui/associated-types/issue-21363.rs b/src/test/ui/associated-types/issue-21363.rs deleted file mode 100644 index acc28cb43..000000000 --- a/src/test/ui/associated-types/issue-21363.rs +++ /dev/null @@ -1,15 +0,0 @@ -// check-pass -// pretty-expanded FIXME #23616 - -#![no_implicit_prelude] - -trait Iterator { - type Item; - fn dummy(&self) { } -} - -impl<'a, T> Iterator for &'a mut (dyn Iterator<Item=T> + 'a) { - type Item = T; -} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-21726.rs b/src/test/ui/associated-types/issue-21726.rs deleted file mode 100644 index b98cf2166..000000000 --- a/src/test/ui/associated-types/issue-21726.rs +++ /dev/null @@ -1,38 +0,0 @@ -// check-pass -#![allow(dead_code)] -// Regression test for #21726: an issue arose around the rules for -// subtyping of projection types that resulted in an unconstrained -// region, yielding region inference failures. - -// pretty-expanded FIXME #23616 - -fn main() { } - -fn foo<'a>(s: &'a str) { - let b: B<()> = B::new(s, ()); - b.get_short(); -} - -trait IntoRef<'a> { - type T: Clone; - fn into_ref(self, _: &'a str) -> Self::T; -} - -impl<'a> IntoRef<'a> for () { - type T = &'a str; - fn into_ref(self, s: &'a str) -> &'a str { - s - } -} - -struct B<'a, P: IntoRef<'a>>(P::T); - -impl<'a, P: IntoRef<'a>> B<'a, P> { - fn new(s: &'a str, i: P) -> B<'a, P> { - B(i.into_ref(s)) - } - - fn get_short(&self) -> P::T { - self.0.clone() - } -} diff --git a/src/test/ui/associated-types/issue-22037.rs b/src/test/ui/associated-types/issue-22037.rs deleted file mode 100644 index b9eb41b6e..000000000 --- a/src/test/ui/associated-types/issue-22037.rs +++ /dev/null @@ -1,17 +0,0 @@ -trait A { - type Output; - fn a(&self) -> <Self as A>::X; - //~^ ERROR cannot find associated type `X` in trait `A` -} - -impl A for u32 { - type Output = u32; - fn a(&self) -> u32 { - 0 - } -} - -fn main() { - let a: u32 = 0; - let b: u32 = a.a(); -} diff --git a/src/test/ui/associated-types/issue-22037.stderr b/src/test/ui/associated-types/issue-22037.stderr deleted file mode 100644 index 0e019f10f..000000000 --- a/src/test/ui/associated-types/issue-22037.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error[E0576]: cannot find associated type `X` in trait `A` - --> $DIR/issue-22037.rs:3:33 - | -LL | type Output; - | ------------ associated type `Output` defined here -LL | fn a(&self) -> <Self as A>::X; - | ^ - | | - | not found in `A` - | help: maybe you meant this associated type: `Output` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0576`. diff --git a/src/test/ui/associated-types/issue-22066.rs b/src/test/ui/associated-types/issue-22066.rs deleted file mode 100644 index 8e8ba5dc4..000000000 --- a/src/test/ui/associated-types/issue-22066.rs +++ /dev/null @@ -1,12 +0,0 @@ -// check-pass -pub trait LineFormatter<'a> { - type Iter: Iterator<Item=&'a str> + 'a; - fn iter(&'a self, line: &'a str) -> Self::Iter; - - fn dimensions(&'a self, line: &'a str) { - let iter: Self::Iter = self.iter(line); - <_ as IntoIterator>::into_iter(iter); - } -} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-22560.rs b/src/test/ui/associated-types/issue-22560.rs deleted file mode 100644 index 44be8817b..000000000 --- a/src/test/ui/associated-types/issue-22560.rs +++ /dev/null @@ -1,15 +0,0 @@ -trait Add<Rhs=Self> { - type Output; -} - -trait Sub<Rhs=Self> { - type Output; -} - -type Test = dyn Add + Sub; -//~^ ERROR E0393 -//~| ERROR E0191 -//~| ERROR E0393 -//~| ERROR E0225 - -fn main() { } diff --git a/src/test/ui/associated-types/issue-22560.stderr b/src/test/ui/associated-types/issue-22560.stderr deleted file mode 100644 index 2b88cf0b4..000000000 --- a/src/test/ui/associated-types/issue-22560.stderr +++ /dev/null @@ -1,56 +0,0 @@ -error[E0225]: only auto traits can be used as additional traits in a trait object - --> $DIR/issue-22560.rs:9:23 - | -LL | type Test = dyn Add + Sub; - | --- ^^^ additional non-auto trait - | | - | first non-auto trait - | - = help: consider creating a new trait with all of these as supertraits and using that trait here instead: `trait NewTrait: Add + Sub {}` - = note: auto-traits like `Send` and `Sync` are traits that have special properties; for more information on them, visit <https://doc.rust-lang.org/reference/special-types-and-traits.html#auto-traits> - -error[E0191]: the value of the associated types `Output` (from trait `Add`), `Output` (from trait `Sub`) must be specified - --> $DIR/issue-22560.rs:9:17 - | -LL | type Output; - | ----------- `Output` defined here -... -LL | type Output; - | ----------- `Output` defined here -... -LL | type Test = dyn Add + Sub; - | ^^^ ^^^ associated type `Output` must be specified - | | - | associated type `Output` must be specified - | -help: specify the associated types - | -LL | type Test = dyn Add<Output = Type> + Sub<Output = Type>; - | ~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~ - -error[E0393]: the type parameter `Rhs` must be explicitly specified - --> $DIR/issue-22560.rs:9:17 - | -LL | trait Add<Rhs=Self> { - | ------------------- type parameter `Rhs` must be specified for this -... -LL | type Test = dyn Add + Sub; - | ^^^ help: set the type parameter to the desired type: `Add<Rhs>` - | - = note: because of the default `Self` reference, type parameters must be specified on object types - -error[E0393]: the type parameter `Rhs` must be explicitly specified - --> $DIR/issue-22560.rs:9:23 - | -LL | trait Sub<Rhs=Self> { - | ------------------- type parameter `Rhs` must be specified for this -... -LL | type Test = dyn Add + Sub; - | ^^^ help: set the type parameter to the desired type: `Sub<Rhs>` - | - = note: because of the default `Self` reference, type parameters must be specified on object types - -error: aborting due to 4 previous errors - -Some errors have detailed explanations: E0191, E0225, E0393. -For more information about an error, try `rustc --explain E0191`. diff --git a/src/test/ui/associated-types/issue-22828.rs b/src/test/ui/associated-types/issue-22828.rs deleted file mode 100644 index adf4dd6ce..000000000 --- a/src/test/ui/associated-types/issue-22828.rs +++ /dev/null @@ -1,23 +0,0 @@ -// run-pass -#![allow(dead_code)] -// Test transitive analysis for associated types. Collected types -// should be normalized and new obligations generated. - -// pretty-expanded FIXME #23616 - -trait Foo { - type A; - fn foo(&self) {} -} - -impl Foo for usize { - type A = usize; -} - -struct Bar<T: Foo> { inner: T::A } - -fn is_send<T: Send>() {} - -fn main() { - is_send::<Bar<usize>>(); -} diff --git a/src/test/ui/associated-types/issue-23208.rs b/src/test/ui/associated-types/issue-23208.rs deleted file mode 100644 index fd4ffe5d6..000000000 --- a/src/test/ui/associated-types/issue-23208.rs +++ /dev/null @@ -1,26 +0,0 @@ -// run-pass -trait TheTrait : TheSuperTrait<<Self as TheTrait>::Item> { - type Item; -} - -trait TheSuperTrait<T> { - fn get(&self) -> T; -} - -impl TheTrait for i32 { - type Item = u32; -} - -impl TheSuperTrait<u32> for i32 { - fn get(&self) -> u32 { - *self as u32 - } -} - -fn foo<T:TheTrait<Item=u32>>(t: &T) -> u32 { - t.get() -} - -fn main() { - foo::<i32>(&22); -} diff --git a/src/test/ui/associated-types/issue-23595-1.rs b/src/test/ui/associated-types/issue-23595-1.rs deleted file mode 100644 index 483c205f4..000000000 --- a/src/test/ui/associated-types/issue-23595-1.rs +++ /dev/null @@ -1,14 +0,0 @@ -#![feature(associated_type_defaults)] - -use std::ops::Index; - -trait Hierarchy { - type Value; - type ChildKey; - type Children = dyn Index<Self::ChildKey, Output=dyn Hierarchy>; - //~^ ERROR: the value of the associated types - - fn data(&self) -> Option<(Self::Value, Self::Children)>; -} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-23595-1.stderr b/src/test/ui/associated-types/issue-23595-1.stderr deleted file mode 100644 index 4307477a5..000000000 --- a/src/test/ui/associated-types/issue-23595-1.stderr +++ /dev/null @@ -1,13 +0,0 @@ -error[E0191]: the value of the associated types `ChildKey` (from trait `Hierarchy`), `Children` (from trait `Hierarchy`), `Value` (from trait `Hierarchy`) must be specified - --> $DIR/issue-23595-1.rs:8:58 - | -LL | type Value; - | ---------- `Value` defined here -LL | type ChildKey; - | ------------- `ChildKey` defined here -LL | type Children = dyn Index<Self::ChildKey, Output=dyn Hierarchy>; - | ------------- `Children` defined here ^^^^^^^^^ help: specify the associated types: `Hierarchy<Value = Type, ChildKey = Type, Children = Type>` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0191`. diff --git a/src/test/ui/associated-types/issue-23595-2.rs b/src/test/ui/associated-types/issue-23595-2.rs deleted file mode 100644 index 2bfee7a35..000000000 --- a/src/test/ui/associated-types/issue-23595-2.rs +++ /dev/null @@ -1,10 +0,0 @@ -#![feature(associated_type_defaults)] - -pub struct C<AType: A> {a:AType} - -pub trait A { - type B = C<Self::anything_here_kills_it>; - //~^ ERROR: associated type `anything_here_kills_it` not found for `Self` -} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-23595-2.stderr b/src/test/ui/associated-types/issue-23595-2.stderr deleted file mode 100644 index dded673f6..000000000 --- a/src/test/ui/associated-types/issue-23595-2.stderr +++ /dev/null @@ -1,9 +0,0 @@ -error[E0220]: associated type `anything_here_kills_it` not found for `Self` - --> $DIR/issue-23595-2.rs:6:22 - | -LL | type B = C<Self::anything_here_kills_it>; - | ^^^^^^^^^^^^^^^^^^^^^^ associated type `anything_here_kills_it` not found - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0220`. diff --git a/src/test/ui/associated-types/issue-24159.rs b/src/test/ui/associated-types/issue-24159.rs deleted file mode 100644 index 49753e7bf..000000000 --- a/src/test/ui/associated-types/issue-24159.rs +++ /dev/null @@ -1,37 +0,0 @@ -// check-pass - -#![allow(unused)] - -trait Bar<T> { - fn dummy(&self); -} - -trait Foo { - type A; - type B: Bar<Self::A>; - - fn get_b(&self) -> &Self::B; -} - -fn test_bar<A, B: Bar<A>>(_: &B) {} - -fn test<A, F: Foo<A = A>>(f: &F) { - test_bar(f.get_b()); -} - -trait Bar1<T> {} -trait Caz1 { - type A; - type B: Bar1<Self::A>; -} - -fn test1<T, U>() where T: Caz1, U: Caz1<A = T::A> {} - -trait Bar2<T> {} -trait Caz2 { - type A; - type B: Bar2<Self::A>; -} -fn test2<T: Caz2<A = ()>>() {} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-24204.rs b/src/test/ui/associated-types/issue-24204.rs deleted file mode 100644 index 5a7b34595..000000000 --- a/src/test/ui/associated-types/issue-24204.rs +++ /dev/null @@ -1,25 +0,0 @@ -// check-pass - -#![allow(dead_code)] - -trait MultiDispatch<T> { - type O; -} - -trait Trait: Sized { - type A: MultiDispatch<Self::B, O = Self>; - type B; - - fn new<U>(u: U) -> <Self::A as MultiDispatch<U>>::O - where - Self::A: MultiDispatch<U>; -} - -fn test<T: Trait<B = i32>>(b: i32) -> T -where - T::A: MultiDispatch<i32>, -{ - T::new(b) -} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-24338.rs b/src/test/ui/associated-types/issue-24338.rs deleted file mode 100644 index 3a2c790f8..000000000 --- a/src/test/ui/associated-types/issue-24338.rs +++ /dev/null @@ -1,21 +0,0 @@ -// -// check-pass - -trait DictLike<'a> { - type ItemsIterator: Iterator<Item=u8>; - fn get(c: Self::ItemsIterator) { - c.into_iter(); - } -} - -trait DictLike2<'a> { - type ItemsIterator: Iterator<Item=u8>; - - fn items(&self) -> Self::ItemsIterator; - - fn get(&self) { - for _ in self.items() {} - } -} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-25339.rs b/src/test/ui/associated-types/issue-25339.rs deleted file mode 100644 index 6f8ec7009..000000000 --- a/src/test/ui/associated-types/issue-25339.rs +++ /dev/null @@ -1,31 +0,0 @@ -// run-pass -#![allow(dead_code)] -#![allow(unused_variables)] -#![feature(associated_type_defaults)] - -use std::marker::PhantomData; - -pub trait Routing<I> { - type Output; - fn resolve(&self, input: I); -} - -pub trait ToRouting { - type Input; - type Routing : ?Sized = dyn Routing<Self::Input, Output=()>; - fn to_routing(self) -> Self::Routing; -} - -pub struct Mount<I, R: Routing<I>> { - action: R, - _marker: PhantomData<I> -} - -impl<I, R: Routing<I>> Mount<I, R> { - pub fn create<T: ToRouting<Routing=R>>(mount: &str, input: T) { - input.to_routing(); - } -} - -fn main() { -} diff --git a/src/test/ui/associated-types/issue-26681.rs b/src/test/ui/associated-types/issue-26681.rs deleted file mode 100644 index a0a8c86d9..000000000 --- a/src/test/ui/associated-types/issue-26681.rs +++ /dev/null @@ -1,20 +0,0 @@ -#![feature(associated_type_defaults)] - -// This is a partial regression test for #26681, which used to fail to resolve -// `Self` in the assoc. constant, and now fails with a type mismatch because -// `Self::Fv` cannot be assumed to equal `u8` inside the trait. - -trait Foo { - type Bar; -} - -impl Foo for u8 { - type Bar = (); -} - -trait Baz { - type Fv: Foo = u8; - const C: <Self::Fv as Foo>::Bar = 6665; //~ error: mismatched types -} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-26681.stderr b/src/test/ui/associated-types/issue-26681.stderr deleted file mode 100644 index 74411008c..000000000 --- a/src/test/ui/associated-types/issue-26681.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error[E0308]: mismatched types - --> $DIR/issue-26681.rs:17:39 - | -LL | const C: <Self::Fv as Foo>::Bar = 6665; - | ^^^^ expected associated type, found integer - | - = note: expected associated type `<<Self as Baz>::Fv as Foo>::Bar` - found type `{integer}` - = help: consider constraining the associated type `<<Self as Baz>::Fv as Foo>::Bar` to `{integer}` - = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/associated-types/issue-27675-unchecked-bounds.rs b/src/test/ui/associated-types/issue-27675-unchecked-bounds.rs deleted file mode 100644 index 1cfc23045..000000000 --- a/src/test/ui/associated-types/issue-27675-unchecked-bounds.rs +++ /dev/null @@ -1,19 +0,0 @@ -/// The compiler previously did not properly check the bound of `From` when it was used from type -/// of the dyn trait object (use in `copy_any` below). Since the associated type is under user -/// control in this usage, the compiler could be tricked to believe any type implemented any trait. -/// This would ICE, except for pure marker traits like `Copy`. It did not require providing an -/// instance of the dyn trait type, only name said type. -trait Setup { - type From: Copy; -} - -fn copy<U: Setup + ?Sized>(from: &U::From) -> U::From { - *from -} - -pub fn copy_any<T>(t: &T) -> T { - copy::<dyn Setup<From=T>>(t) - //~^ ERROR the trait bound `T: Copy` is not satisfied -} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-27675-unchecked-bounds.stderr b/src/test/ui/associated-types/issue-27675-unchecked-bounds.stderr deleted file mode 100644 index a14a273b3..000000000 --- a/src/test/ui/associated-types/issue-27675-unchecked-bounds.stderr +++ /dev/null @@ -1,19 +0,0 @@ -error[E0277]: the trait bound `T: Copy` is not satisfied - --> $DIR/issue-27675-unchecked-bounds.rs:15:12 - | -LL | copy::<dyn Setup<From=T>>(t) - | ^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `T` - | -note: required by a bound in `copy` - --> $DIR/issue-27675-unchecked-bounds.rs:10:12 - | -LL | fn copy<U: Setup + ?Sized>(from: &U::From) -> U::From { - | ^^^^^ required by this bound in `copy` -help: consider restricting type parameter `T` - | -LL | pub fn copy_any<T: std::marker::Copy>(t: &T) -> T { - | +++++++++++++++++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/issue-28871.rs b/src/test/ui/associated-types/issue-28871.rs deleted file mode 100644 index 210c783de..000000000 --- a/src/test/ui/associated-types/issue-28871.rs +++ /dev/null @@ -1,24 +0,0 @@ -// check-pass -// Regression test for #28871. The problem is that rustc encountered -// two ways to project, one from a where clause and one from the where -// clauses on the trait definition. (In fact, in this case, the where -// clauses originated from the trait definition as well.) The true -// cause of the error is that the trait definition where clauses are -// not being normalized, and hence the two sources are considered in -// conflict, and not a duplicate. Hacky solution is to prefer where -// clauses over the data found in the trait definition. - -trait T { - type T; -} - -struct S; -impl T for S { - type T = S; -} - -trait T2 { - type T: Iterator<Item=<S as T>::T>; -} - -fn main() { } diff --git a/src/test/ui/associated-types/issue-31597.rs b/src/test/ui/associated-types/issue-31597.rs deleted file mode 100644 index 2872be6d6..000000000 --- a/src/test/ui/associated-types/issue-31597.rs +++ /dev/null @@ -1,29 +0,0 @@ -// check-pass -#![allow(dead_code)] -trait Make { - type Out; - - fn make() -> Self::Out; -} - -impl Make for () { - type Out = (); - - fn make() -> Self::Out {} -} - -// Also make sure we don't hit an ICE when the projection can't be known -fn f<T: Make>() -> <T as Make>::Out { loop {} } - -// ...and that it works with a blanket impl -trait Tr { - type Assoc; -} - -impl<T: Make> Tr for T { - type Assoc = (); -} - -fn g<T: Make>() -> <T as Tr>::Assoc { } - -fn main() {} diff --git a/src/test/ui/associated-types/issue-32350.rs b/src/test/ui/associated-types/issue-32350.rs deleted file mode 100644 index bda21eb0e..000000000 --- a/src/test/ui/associated-types/issue-32350.rs +++ /dev/null @@ -1,29 +0,0 @@ -// check-pass - -// This is another instance of the "normalizations don't work" issue with -// defaulted associated types. - -#![feature(associated_type_defaults)] - -pub trait Emitter<'a> { - type Ctxt: 'a; - type CtxtBrw: 'a = &'a Self::Ctxt; - - fn get_cx(&'a self) -> Self::CtxtBrw; -} - -struct MyCtxt; - -struct MyEmitter { - ctxt: MyCtxt -} - -impl <'a> Emitter<'a> for MyEmitter { - type Ctxt = MyCtxt; - - fn get_cx(&'a self) -> &'a MyCtxt { - &self.ctxt - } -} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-36499.rs b/src/test/ui/associated-types/issue-36499.rs deleted file mode 100644 index 7f8f13ef8..000000000 --- a/src/test/ui/associated-types/issue-36499.rs +++ /dev/null @@ -1,5 +0,0 @@ -// error-pattern: aborting due to previous error - -fn main() { - 2 + +2; -} diff --git a/src/test/ui/associated-types/issue-36499.stderr b/src/test/ui/associated-types/issue-36499.stderr deleted file mode 100644 index 80e42b61d..000000000 --- a/src/test/ui/associated-types/issue-36499.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error: leading `+` is not supported - --> $DIR/issue-36499.rs:4:9 - | -LL | 2 + +2; - | ^ unexpected `+` - | -help: try removing the `+` - | -LL - 2 + +2; -LL + 2 + 2; - | - -error: aborting due to previous error - diff --git a/src/test/ui/associated-types/issue-37808.rs b/src/test/ui/associated-types/issue-37808.rs deleted file mode 100644 index 3701c37d0..000000000 --- a/src/test/ui/associated-types/issue-37808.rs +++ /dev/null @@ -1,19 +0,0 @@ -// check-pass - -trait Parent { - type Ty; - type Assoc: Child<Self::Ty>; -} - -trait Child<T> {} - -struct ChildWrapper<T>(T); -impl<A, T> Child<A> for ChildWrapper<T> where T: Child<A> {} - -struct ParentWrapper<T>(T); -impl<A, T: Parent<Ty = A>> Parent for ParentWrapper<T> { - type Ty = A; - type Assoc = ChildWrapper<T::Assoc>; -} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-37883.rs b/src/test/ui/associated-types/issue-37883.rs deleted file mode 100644 index d854f6af3..000000000 --- a/src/test/ui/associated-types/issue-37883.rs +++ /dev/null @@ -1,25 +0,0 @@ -// check-pass - -use std::ops::Mul; - -fn main() {} - -trait Ring {} -trait Real: Ring {} - -trait Module: Sized + Mul<<Self as Module>::Ring, Output = Self> { - type Ring: Ring; -} - -trait EuclideanSpace { - type Coordinates: Module<Ring = Self::Real>; - type Real: Real; -} - -trait Translation<E: EuclideanSpace> { - fn to_vector(&self) -> E::Coordinates; - - fn powf(&self, n: <E::Coordinates as Module>::Ring) -> E::Coordinates { - self.to_vector() * n - } -} diff --git a/src/test/ui/associated-types/issue-38917.rs b/src/test/ui/associated-types/issue-38917.rs deleted file mode 100644 index 7e898851a..000000000 --- a/src/test/ui/associated-types/issue-38917.rs +++ /dev/null @@ -1,25 +0,0 @@ -// check-pass - -use std::borrow::Borrow; - -trait TNode: Sized { - type ConcreteElement: TElement<ConcreteNode = Self>; -} - -trait TElement: Sized { - type ConcreteNode: TNode<ConcreteElement = Self>; -} - -trait DomTraversal<N: TNode> { - type BorrowElement: Borrow<N::ConcreteElement>; -} - -#[allow(dead_code)] -fn recalc_style_at<E, D>() -where - E: TElement, - D: DomTraversal<E::ConcreteNode>, -{ -} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-39532.rs b/src/test/ui/associated-types/issue-39532.rs deleted file mode 100644 index 52652cede..000000000 --- a/src/test/ui/associated-types/issue-39532.rs +++ /dev/null @@ -1,14 +0,0 @@ -// check-pass - -#![allow(unused)] - -trait Foo { - type Bar; - type Baz: Bar<Self::Bar>; -} - -trait Bar<T> {} - -fn x<T: Foo<Bar = U>, U>(t: &T) {} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-40093.rs b/src/test/ui/associated-types/issue-40093.rs deleted file mode 100644 index fd325ae10..000000000 --- a/src/test/ui/associated-types/issue-40093.rs +++ /dev/null @@ -1,14 +0,0 @@ -// check-pass - -pub trait Test { - type Item; - type Bundle: From<Self::Item>; -} - -fn fails<T>() -where - T: Test<Item = String>, -{ -} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-41868.rs b/src/test/ui/associated-types/issue-41868.rs deleted file mode 100644 index 52bbd1f5d..000000000 --- a/src/test/ui/associated-types/issue-41868.rs +++ /dev/null @@ -1,23 +0,0 @@ -// check-pass - -// Defaulted assoc. types should normalize properly in impls that don't -// override them. - -#![feature(associated_type_defaults)] - -pub struct Foo; - -pub trait CanDecode: Sized { - type Output = Self; - fn read(rdr: &mut Foo) -> Option<Self::Output>; -} - -impl CanDecode for u8 { - fn read(rdr: &mut Foo) -> Option<Self::Output> { Some(42) } -} - -impl CanDecode for u16 { - fn read(rdr: &mut Foo) -> Option<u16> { Some(17) } -} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-43475.rs b/src/test/ui/associated-types/issue-43475.rs deleted file mode 100644 index 5f177333c..000000000 --- a/src/test/ui/associated-types/issue-43475.rs +++ /dev/null @@ -1,10 +0,0 @@ -// check-pass - -trait Foo { type FooT: Foo; } -impl Foo for () { type FooT = (); } -trait Bar<T: Foo> { type BarT: Bar<T::FooT>; } -impl Bar<()> for () { type BarT = (); } - -#[allow(dead_code)] -fn test<C: Bar<()>>() { } -fn main() { } diff --git a/src/test/ui/associated-types/issue-43784-associated-type.rs b/src/test/ui/associated-types/issue-43784-associated-type.rs deleted file mode 100644 index 78815d8d3..000000000 --- a/src/test/ui/associated-types/issue-43784-associated-type.rs +++ /dev/null @@ -1,17 +0,0 @@ -pub trait Partial<X: ?Sized>: Copy { -} - -pub trait Complete { - type Assoc: Partial<Self>; -} - -impl<T> Partial<T> for T::Assoc where - T: Complete -{ -} - -impl<T> Complete for T { - type Assoc = T; //~ ERROR the trait bound `T: Copy` is not satisfied -} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-43784-associated-type.stderr b/src/test/ui/associated-types/issue-43784-associated-type.stderr deleted file mode 100644 index f1677b822..000000000 --- a/src/test/ui/associated-types/issue-43784-associated-type.stderr +++ /dev/null @@ -1,19 +0,0 @@ -error[E0277]: the trait bound `T: Copy` is not satisfied - --> $DIR/issue-43784-associated-type.rs:14:18 - | -LL | type Assoc = T; - | ^ the trait `Copy` is not implemented for `T` - | -note: required by a bound in `Complete::Assoc` - --> $DIR/issue-43784-associated-type.rs:5:17 - | -LL | type Assoc: Partial<Self>; - | ^^^^^^^^^^^^^ required by this bound in `Complete::Assoc` -help: consider restricting type parameter `T` - | -LL | impl<T: std::marker::Copy> Complete for T { - | +++++++++++++++++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/issue-43924.rs b/src/test/ui/associated-types/issue-43924.rs deleted file mode 100644 index 6a63b3e09..000000000 --- a/src/test/ui/associated-types/issue-43924.rs +++ /dev/null @@ -1,16 +0,0 @@ -#![feature(associated_type_defaults)] - -// This used to cause an ICE because assoc. type defaults weren't properly -// type-checked. - -trait Foo<T: Default + ToString> { - type Out: Default + ToString + ?Sized = dyn ToString; //~ ERROR not satisfied -} - -impl Foo<u32> for () {} -impl Foo<u64> for () {} - -fn main() { - assert_eq!(<() as Foo<u32>>::Out::default().to_string(), "false"); - //~^ ERROR no function or associated item named `default` found for trait object -} diff --git a/src/test/ui/associated-types/issue-43924.stderr b/src/test/ui/associated-types/issue-43924.stderr deleted file mode 100644 index 526f425b2..000000000 --- a/src/test/ui/associated-types/issue-43924.stderr +++ /dev/null @@ -1,22 +0,0 @@ -error[E0277]: the trait bound `(dyn ToString + 'static): Default` is not satisfied - --> $DIR/issue-43924.rs:7:45 - | -LL | type Out: Default + ToString + ?Sized = dyn ToString; - | ^^^^^^^^^^^^ the trait `Default` is not implemented for `(dyn ToString + 'static)` - | -note: required by a bound in `Foo::Out` - --> $DIR/issue-43924.rs:7:15 - | -LL | type Out: Default + ToString + ?Sized = dyn ToString; - | ^^^^^^^ required by this bound in `Foo::Out` - -error[E0599]: no function or associated item named `default` found for trait object `(dyn ToString + 'static)` in the current scope - --> $DIR/issue-43924.rs:14:39 - | -LL | assert_eq!(<() as Foo<u32>>::Out::default().to_string(), "false"); - | ^^^^^^^ function or associated item not found in `(dyn ToString + 'static)` - -error: aborting due to 2 previous errors - -Some errors have detailed explanations: E0277, E0599. -For more information about an error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/issue-44153.rs b/src/test/ui/associated-types/issue-44153.rs deleted file mode 100644 index 2101cb61a..000000000 --- a/src/test/ui/associated-types/issue-44153.rs +++ /dev/null @@ -1,19 +0,0 @@ -pub trait Array { - type Element; -} - -pub trait Visit { - fn visit() {} -} - -impl Array for () { - type Element = (); -} - -impl<'a> Visit for () where - (): Array<Element=&'a ()>, -{} - -fn main() { - <() as Visit>::visit(); //~ ERROR: type mismatch resolving -} diff --git a/src/test/ui/associated-types/issue-44153.stderr b/src/test/ui/associated-types/issue-44153.stderr deleted file mode 100644 index 9c92f19d8..000000000 --- a/src/test/ui/associated-types/issue-44153.stderr +++ /dev/null @@ -1,20 +0,0 @@ -error[E0271]: type mismatch resolving `<() as Array>::Element == &()` - --> $DIR/issue-44153.rs:18:5 - | -LL | <() as Visit>::visit(); - | ^^^^^^^^^^^^^^^^^^^^ type mismatch resolving `<() as Array>::Element == &()` - | -note: expected this to be `&()` - --> $DIR/issue-44153.rs:10:20 - | -LL | type Element = (); - | ^^ -note: required for `()` to implement `Visit` - --> $DIR/issue-44153.rs:13:10 - | -LL | impl<'a> Visit for () where - | ^^^^^ ^^ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0271`. diff --git a/src/test/ui/associated-types/issue-47139-1.rs b/src/test/ui/associated-types/issue-47139-1.rs deleted file mode 100644 index c55fc3434..000000000 --- a/src/test/ui/associated-types/issue-47139-1.rs +++ /dev/null @@ -1,78 +0,0 @@ -// run-pass -// Regression test for issue #47139: -// -// Coherence was encountering an (unnecessary) overflow trying to -// decide if the two impls of dummy overlap. -// -// The overflow went something like: -// -// - `&'a ?T: Insertable` ? -// - let ?T = Option<?U> ? -// - `Option<?U>: Insertable` ? -// - `Option<&'a ?U>: Insertable` ? -// - `&'a ?U: Insertable` ? -// -// While somewhere in the middle, a projection would occur, which -// broke cycle detection. -// -// It turned out that this cycle was being kicked off due to some -// extended diagnostic attempts in coherence, so removing those -// sidestepped the issue for now. - -#![allow(dead_code)] - -pub trait Insertable { - type Values; - - fn values(self) -> Self::Values; -} - -impl<T> Insertable for Option<T> - where - T: Insertable, - T::Values: Default, -{ - type Values = T::Values; - - fn values(self) -> Self::Values { - self.map(Insertable::values).unwrap_or_default() - } -} - -impl<'a, T> Insertable for &'a Option<T> - where - Option<&'a T>: Insertable, -{ - type Values = <Option<&'a T> as Insertable>::Values; - - fn values(self) -> Self::Values { - self.as_ref().values() - } -} - -impl<'a, T> Insertable for &'a [T] -{ - type Values = Self; - - fn values(self) -> Self::Values { - self - } -} - -trait Unimplemented { } - -trait Dummy { } - -struct Foo<T> { t: T } - -impl<'a, U> Dummy for Foo<&'a U> - where &'a U: Insertable -{ -} - -impl<T> Dummy for T - where T: Unimplemented -{ } - -fn main() { -} diff --git a/src/test/ui/associated-types/issue-47139-2.rs b/src/test/ui/associated-types/issue-47139-2.rs deleted file mode 100644 index d2ef89425..000000000 --- a/src/test/ui/associated-types/issue-47139-2.rs +++ /dev/null @@ -1,66 +0,0 @@ -// run-pass -// Regression test for issue #47139: -// -// Same as issue-47139-1.rs, but the impls of dummy are in the -// opposite order. This influenced the way that coherence ran and in -// some cases caused the overflow to occur when it wouldn't otherwise. -// In an effort to make the regr test more robust, I am including both -// orderings. - -#![allow(dead_code)] - -pub trait Insertable { - type Values; - - fn values(self) -> Self::Values; -} - -impl<T> Insertable for Option<T> - where - T: Insertable, - T::Values: Default, -{ - type Values = T::Values; - - fn values(self) -> Self::Values { - self.map(Insertable::values).unwrap_or_default() - } -} - -impl<'a, T> Insertable for &'a Option<T> - where - Option<&'a T>: Insertable, -{ - type Values = <Option<&'a T> as Insertable>::Values; - - fn values(self) -> Self::Values { - self.as_ref().values() - } -} - -impl<'a, T> Insertable for &'a [T] -{ - type Values = Self; - - fn values(self) -> Self::Values { - self - } -} - -trait Unimplemented { } - -trait Dummy { } - -struct Foo<T> { t: T } - -impl<T> Dummy for T - where T: Unimplemented -{ } - -impl<'a, U> Dummy for Foo<&'a U> - where &'a U: Insertable -{ -} - -fn main() { -} diff --git a/src/test/ui/associated-types/issue-47385.rs b/src/test/ui/associated-types/issue-47385.rs deleted file mode 100644 index d43d674e9..000000000 --- a/src/test/ui/associated-types/issue-47385.rs +++ /dev/null @@ -1,16 +0,0 @@ -// check-pass - -#![feature(associated_type_defaults)] - -pub struct Foo; - -pub trait Bar: From<<Self as Bar>::Input> { - type Input = Self; -} - -impl Bar for Foo { - // Will compile with explicit type: - // type Input = Self; -} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-47814.rs b/src/test/ui/associated-types/issue-47814.rs deleted file mode 100644 index 90e8a3bc2..000000000 --- a/src/test/ui/associated-types/issue-47814.rs +++ /dev/null @@ -1,13 +0,0 @@ -struct ArpIPv4<'a> { - s: &'a u8 -} - -impl<'a> ArpIPv4<'a> { - const LENGTH: usize = 20; - - pub fn to_buffer() -> [u8; Self::LENGTH] { //~ ERROR generic `Self` types are currently not permitted in anonymous constants - unimplemented!() - } -} - -pub fn main() {} diff --git a/src/test/ui/associated-types/issue-47814.stderr b/src/test/ui/associated-types/issue-47814.stderr deleted file mode 100644 index 2e4ddb811..000000000 --- a/src/test/ui/associated-types/issue-47814.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error: generic `Self` types are currently not permitted in anonymous constants - --> $DIR/issue-47814.rs:8:32 - | -LL | pub fn to_buffer() -> [u8; Self::LENGTH] { - | ^^^^ - | -note: not a concrete type - --> $DIR/issue-47814.rs:5:10 - | -LL | impl<'a> ArpIPv4<'a> { - | ^^^^^^^^^^^ - -error: aborting due to previous error - diff --git a/src/test/ui/associated-types/issue-48010.rs b/src/test/ui/associated-types/issue-48010.rs deleted file mode 100644 index 70e30c132..000000000 --- a/src/test/ui/associated-types/issue-48010.rs +++ /dev/null @@ -1,23 +0,0 @@ -// check-pass - -#![crate_type = "lib"] - -pub struct Foo; - -pub struct Path<T: Bar> { - _inner: T::Slice, -} - -pub trait Bar: Sized { - type Slice: ?Sized; - - fn open(_: &Path<Self>); -} - -impl Bar for Foo { - type Slice = [u8]; - - fn open(_: &Path<Self>) { - unimplemented!() - } -} diff --git a/src/test/ui/associated-types/issue-48551.rs b/src/test/ui/associated-types/issue-48551.rs deleted file mode 100644 index b95a4832b..000000000 --- a/src/test/ui/associated-types/issue-48551.rs +++ /dev/null @@ -1,34 +0,0 @@ -// check-pass -// Regression test for #48551. Covers a case where duplicate candidates -// arose during associated type projection. - -use std::ops::{Mul, MulAssign}; - -pub trait ClosedMul<Right>: Sized + Mul<Right, Output = Self> + MulAssign<Right> {} -impl<T, Right> ClosedMul<Right> for T -where - T: Mul<Right, Output = T> + MulAssign<Right>, -{ -} - -pub trait InnerSpace: ClosedMul<<Self as InnerSpace>::Real> { - type Real; -} - -pub trait FiniteDimVectorSpace: ClosedMul<<Self as FiniteDimVectorSpace>::Field> { - type Field; -} - -pub trait FiniteDimInnerSpace - : InnerSpace + FiniteDimVectorSpace<Field = <Self as InnerSpace>::Real> { -} - -pub trait EuclideanSpace: ClosedMul<<Self as EuclideanSpace>::Real> { - type Coordinates: FiniteDimInnerSpace<Real = Self::Real> - + Mul<Self::Real, Output = Self::Coordinates> - + MulAssign<Self::Real>; - - type Real; -} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-50301.rs b/src/test/ui/associated-types/issue-50301.rs deleted file mode 100644 index 47ee3e7ad..000000000 --- a/src/test/ui/associated-types/issue-50301.rs +++ /dev/null @@ -1,31 +0,0 @@ -// Tests that HRTBs are correctly accepted -- https://github.com/rust-lang/rust/issues/50301 -// check-pass -trait Trait -where - for<'a> &'a Self::IntoIter: IntoIterator<Item = u32>, -{ - type IntoIter; - fn get(&self) -> Self::IntoIter; -} - -struct Impl(Vec<u32>); - -impl Trait for Impl { - type IntoIter = ImplIntoIter; - fn get(&self) -> Self::IntoIter { - ImplIntoIter(self.0.clone()) - } -} - -struct ImplIntoIter(Vec<u32>); - -impl<'a> IntoIterator for &'a ImplIntoIter { - type Item = <Self::IntoIter as Iterator>::Item; - type IntoIter = std::iter::Cloned<std::slice::Iter<'a, u32>>; - fn into_iter(self) -> Self::IntoIter { - (&self.0).into_iter().cloned() - } -} - -fn main() { -} diff --git a/src/test/ui/associated-types/issue-54108.rs b/src/test/ui/associated-types/issue-54108.rs deleted file mode 100644 index 87f67ce4b..000000000 --- a/src/test/ui/associated-types/issue-54108.rs +++ /dev/null @@ -1,41 +0,0 @@ -use std::ops::Add; - -pub trait Encoder { - type Size: Add<Output = Self::Size>; - - fn foo(&self) -> Self::Size; -} - -pub trait SubEncoder: Encoder { - type ActualSize; - - fn bar(&self) -> Self::Size; -} - -impl<T> Encoder for T -where - T: SubEncoder, -{ - type Size = <Self as SubEncoder>::ActualSize; - //~^ ERROR: cannot add `<T as SubEncoder>::ActualSize` to `<T as SubEncoder>::ActualSize` - - fn foo(&self) -> Self::Size { - self.bar() + self.bar() - } -} - -pub struct UnitEncoder; - -impl SubEncoder for UnitEncoder { - type ActualSize = (); - - fn bar(&self) {} -} - -pub fn fun<R: Encoder>(encoder: &R) { - encoder.foo(); -} - -fn main() { - fun(&UnitEncoder {}); -} diff --git a/src/test/ui/associated-types/issue-54108.stderr b/src/test/ui/associated-types/issue-54108.stderr deleted file mode 100644 index 6ff5e4542..000000000 --- a/src/test/ui/associated-types/issue-54108.stderr +++ /dev/null @@ -1,20 +0,0 @@ -error[E0277]: cannot add `<T as SubEncoder>::ActualSize` to `<T as SubEncoder>::ActualSize` - --> $DIR/issue-54108.rs:19:17 - | -LL | type Size = <Self as SubEncoder>::ActualSize; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `<T as SubEncoder>::ActualSize + <T as SubEncoder>::ActualSize` - | - = help: the trait `Add` is not implemented for `<T as SubEncoder>::ActualSize` -note: required by a bound in `Encoder::Size` - --> $DIR/issue-54108.rs:4:16 - | -LL | type Size: Add<Output = Self::Size>; - | ^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Encoder::Size` -help: consider further restricting the associated type - | -LL | T: SubEncoder, <T as SubEncoder>::ActualSize: Add - | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/issue-54182-1.rs b/src/test/ui/associated-types/issue-54182-1.rs deleted file mode 100644 index 1a1e98cba..000000000 --- a/src/test/ui/associated-types/issue-54182-1.rs +++ /dev/null @@ -1,92 +0,0 @@ -// run-pass - -// Tests that the return type of trait methods is correctly normalized when -// checking that a method in an impl matches the trait definition when the -// return type involves a defaulted associated type. -// ie. the trait has a method with return type `-> Self::R`, and `type R = ()`, -// but the impl leaves out the return type (resulting in `()`). -// Note that specialization is not involved in this test; no items in -// implementations may be overridden. If they were, the normalization wouldn't -// happen. - -#![feature(associated_type_defaults)] - -macro_rules! overload { - ($a:expr, $b:expr) => { - overload::overload2($a, $b) - }; - ($a:expr, $b:expr, $c:expr) => { - overload::overload3($a, $b, $c) - } -} - -fn main() { - let () = overload!(42, true); - - let r: f32 = overload!("Hello world", 13.0); - assert_eq!(r, 13.0); - - let () = overload!(42, true, 42.5); - - let r: i32 = overload!("Hello world", 13.0, 42); - assert_eq!(r, 42); -} - -mod overload { - /// This trait has an assoc. type defaulting to `()`, and a required method returning a value - /// of that assoc. type. - pub trait Overload { - // type R; - type R = (); - fn overload(self) -> Self::R; - } - - // overloads for 2 args - impl Overload for (i32, bool) { - // type R = (); - - /// This function has no return type specified, and so defaults to `()`. - /// - /// This should work, but didn't, until RFC 2532 was implemented. - fn overload(self) /*-> Self::R*/ { - let (a, b) = self; // destructure args - println!("i32 and bool {:?}", (a, b)); - } - } - impl<'a> Overload for (&'a str, f32) { - type R = f32; - fn overload(self) -> Self::R { - let (a, b) = self; // destructure args - println!("&str and f32 {:?}", (a, b)); - b - } - } - - // overloads for 3 args - impl Overload for (i32, bool, f32) { - // type R = (); - fn overload(self) /*-> Self::R*/ { - let (a, b, c) = self; // destructure args - println!("i32 and bool and f32 {:?}", (a, b, c)); - } - } - impl<'a> Overload for (&'a str, f32, i32) { - type R = i32; - fn overload(self) -> Self::R { - let (a, b, c) = self; // destructure args - println!("&str and f32 and i32: {:?}", (a, b, c)); - c - } - } - - // overloads for more args - // ... - - pub fn overload2<R, A, B>(a: A, b: B) -> R where (A, B): Overload<R = R> { - (a, b).overload() - } - - pub fn overload3<R, A, B, C>(a: A, b: B, c: C) -> R where (A, B, C): Overload<R = R> { - (a, b, c).overload() - } -} diff --git a/src/test/ui/associated-types/issue-54182-2.rs b/src/test/ui/associated-types/issue-54182-2.rs deleted file mode 100644 index c88c76631..000000000 --- a/src/test/ui/associated-types/issue-54182-2.rs +++ /dev/null @@ -1,19 +0,0 @@ -// check-pass - -// Before RFC 2532, normalizing a defaulted assoc. type didn't work at all, -// unless the impl in question overrides that type, which makes the default -// pointless. - -#![feature(associated_type_defaults)] - -trait Tr { - type Assoc = (); -} - -impl Tr for () {} - -fn f(thing: <() as Tr>::Assoc) { - let c: () = thing; -} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-54467.rs b/src/test/ui/associated-types/issue-54467.rs deleted file mode 100644 index 734bf2768..000000000 --- a/src/test/ui/associated-types/issue-54467.rs +++ /dev/null @@ -1,46 +0,0 @@ -// run-pass - -pub trait Stream { - type Item; - type Error; -} - -pub trait ParseError<I> { - type Output; -} - -impl ParseError<char> for u32 { - type Output = (); -} - -impl Stream for () { - type Item = char; - type Error = u32; -} - -pub struct Lex<'a, I> - where I: Stream, - I::Error: ParseError<char>, - <<I as Stream>::Error as ParseError<char>>::Output: 'a -{ - x: &'a <I::Error as ParseError<char>>::Output -} - -pub struct Reserved<'a, I> where - I: Stream<Item=char> + 'a, - I::Error: ParseError<I::Item>, - <<I as Stream>::Error as ParseError<char>>::Output: 'a - -{ - x: Lex<'a, I> -} - -fn main() { - let r: Reserved<()> = Reserved { - x: Lex { - x: &() - } - }; - - let _v = r.x.x; -} diff --git a/src/test/ui/associated-types/issue-55846.rs b/src/test/ui/associated-types/issue-55846.rs deleted file mode 100644 index bd7667523..000000000 --- a/src/test/ui/associated-types/issue-55846.rs +++ /dev/null @@ -1,39 +0,0 @@ -// run-pass - -// Regression test for #55846, which once caused an ICE. - -use std::marker::PhantomData; - -struct Foo; - -struct Bar<A> { - a: PhantomData<A>, -} - -impl Fooifier for Foo { - type Assoc = Foo; -} - -trait Fooifier { - type Assoc; -} - -trait Barifier<H> { - fn barify(); -} - -impl<H> Barifier<H> for Bar<H> { - fn barify() { - println!("All correct!"); - } -} - -impl Bar<<Foo as Fooifier>::Assoc> { - fn this_shouldnt_crash() { - <Self as Barifier<<Foo as Fooifier>::Assoc>>::barify(); - } -} - -fn main() { - Bar::<Foo>::this_shouldnt_crash(); -} diff --git a/src/test/ui/associated-types/issue-59324.rs b/src/test/ui/associated-types/issue-59324.rs deleted file mode 100644 index 9e68e9e77..000000000 --- a/src/test/ui/associated-types/issue-59324.rs +++ /dev/null @@ -1,26 +0,0 @@ -trait NotFoo {} - -pub trait Foo: NotFoo { - type OnlyFoo; -} - -pub trait Service { - type AssocType; -} - -pub trait ThriftService<Bug: NotFoo>: -//~^ ERROR the trait bound `Bug: Foo` is not satisfied -//~| ERROR the trait bound `Bug: Foo` is not satisfied - Service<AssocType = <Bug as Foo>::OnlyFoo> -{ - fn get_service( - //~^ ERROR the trait bound `Bug: Foo` is not satisfied - //~| ERROR the trait bound `Bug: Foo` is not satisfied - &self, - ) -> Self::AssocType; -} - -fn with_factory<H>(factory: dyn ThriftService<()>) {} -//~^ ERROR the trait bound `(): Foo` is not satisfied - -fn main() {} diff --git a/src/test/ui/associated-types/issue-59324.stderr b/src/test/ui/associated-types/issue-59324.stderr deleted file mode 100644 index 62cf1f37a..000000000 --- a/src/test/ui/associated-types/issue-59324.stderr +++ /dev/null @@ -1,70 +0,0 @@ -error[E0277]: the trait bound `Bug: Foo` is not satisfied - --> $DIR/issue-59324.rs:11:1 - | -LL | / pub trait ThriftService<Bug: NotFoo>: -LL | | -LL | | -LL | | Service<AssocType = <Bug as Foo>::OnlyFoo> - | |______________________________________________^ the trait `Foo` is not implemented for `Bug` - | -help: consider further restricting this bound - | -LL | pub trait ThriftService<Bug: NotFoo + Foo>: - | +++++ - -error[E0277]: the trait bound `Bug: Foo` is not satisfied - --> $DIR/issue-59324.rs:11:1 - | -LL | / pub trait ThriftService<Bug: NotFoo>: -LL | | -LL | | -LL | | Service<AssocType = <Bug as Foo>::OnlyFoo> -... | -LL | | ) -> Self::AssocType; -LL | | } - | |_^ the trait `Foo` is not implemented for `Bug` - | -help: consider further restricting this bound - | -LL | pub trait ThriftService<Bug: NotFoo + Foo>: - | +++++ - -error[E0277]: the trait bound `Bug: Foo` is not satisfied - --> $DIR/issue-59324.rs:16:5 - | -LL | / fn get_service( -LL | | -LL | | -LL | | &self, -LL | | ) -> Self::AssocType; - | |_________________________^ the trait `Foo` is not implemented for `Bug` - | -help: consider further restricting this bound - | -LL | pub trait ThriftService<Bug: NotFoo + Foo>: - | +++++ - -error[E0277]: the trait bound `(): Foo` is not satisfied - --> $DIR/issue-59324.rs:23:1 - | -LL | fn with_factory<H>(factory: dyn ThriftService<()>) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Foo` is not implemented for `()` - -error[E0277]: the trait bound `Bug: Foo` is not satisfied - --> $DIR/issue-59324.rs:16:5 - | -LL | / fn get_service( -LL | | -LL | | -LL | | &self, -LL | | ) -> Self::AssocType; - | |_________________________^ the trait `Foo` is not implemented for `Bug` - | -help: consider further restricting this bound - | -LL | pub trait ThriftService<Bug: NotFoo + Foo>: - | +++++ - -error: aborting due to 5 previous errors - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/issue-62200.rs b/src/test/ui/associated-types/issue-62200.rs deleted file mode 100644 index 499bbd6b6..000000000 --- a/src/test/ui/associated-types/issue-62200.rs +++ /dev/null @@ -1,16 +0,0 @@ -struct S {} - -trait T<'a> { - type A; -} - -impl T<'_> for S { - type A = u32; -} - -fn foo(x: impl Fn(<S as T<'_>>::A) -> <S as T<'_>>::A) {} -//~^ ERROR binding for associated type `Output` references an anonymous lifetime -//~| NOTE lifetimes appearing in an associated or opaque type are not considered constrained -//~| NOTE consider introducing a named lifetime parameter - -fn main() {} diff --git a/src/test/ui/associated-types/issue-62200.stderr b/src/test/ui/associated-types/issue-62200.stderr deleted file mode 100644 index 04f0728f5..000000000 --- a/src/test/ui/associated-types/issue-62200.stderr +++ /dev/null @@ -1,12 +0,0 @@ -error[E0582]: binding for associated type `Output` references an anonymous lifetime, which does not appear in the trait input types - --> $DIR/issue-62200.rs:11:39 - | -LL | fn foo(x: impl Fn(<S as T<'_>>::A) -> <S as T<'_>>::A) {} - | ^^^^^^^^^^^^^^^ - | - = note: lifetimes appearing in an associated or opaque type are not considered constrained - = note: consider introducing a named lifetime parameter - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0582`. diff --git a/src/test/ui/associated-types/issue-63591.rs b/src/test/ui/associated-types/issue-63591.rs deleted file mode 100644 index 4d2e39f4d..000000000 --- a/src/test/ui/associated-types/issue-63591.rs +++ /dev/null @@ -1,24 +0,0 @@ -// check-pass - -#![feature(associated_type_bounds)] -#![feature(type_alias_impl_trait)] - -fn main() {} - -trait Bar { type Assoc; } - -trait Thing { - type Out; - fn func() -> Self::Out; -} - -struct AssocIsCopy; -impl Bar for AssocIsCopy { type Assoc = u8; } - -impl Thing for AssocIsCopy { - type Out = impl Bar<Assoc: Copy>; - - fn func() -> Self::Out { - AssocIsCopy - } -} diff --git a/src/test/ui/associated-types/issue-63593.rs b/src/test/ui/associated-types/issue-63593.rs deleted file mode 100644 index 8dbc24c06..000000000 --- a/src/test/ui/associated-types/issue-63593.rs +++ /dev/null @@ -1,13 +0,0 @@ -#![feature(associated_type_defaults)] - -// Tests that `Self` is not assumed to implement `Sized` when used as an -// associated type default. - -trait Inner<S> {} - -trait MyTrait { - type This = Self; //~ error: size for values of type `Self` cannot be known - fn something<I: Inner<Self::This>>(i: I); -} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-63593.stderr b/src/test/ui/associated-types/issue-63593.stderr deleted file mode 100644 index f643ec3ff..000000000 --- a/src/test/ui/associated-types/issue-63593.stderr +++ /dev/null @@ -1,19 +0,0 @@ -error[E0277]: the size for values of type `Self` cannot be known at compilation time - --> $DIR/issue-63593.rs:9:17 - | -LL | type This = Self; - | ^^^^ doesn't have a size known at compile-time - | -note: required by a bound in `MyTrait::This` - --> $DIR/issue-63593.rs:9:5 - | -LL | type This = Self; - | ^^^^^^^^^^^^^^^^^ required by this bound in `MyTrait::This` -help: consider further restricting `Self` - | -LL | trait MyTrait: Sized { - | +++++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/issue-64848.rs b/src/test/ui/associated-types/issue-64848.rs deleted file mode 100644 index 77712168a..000000000 --- a/src/test/ui/associated-types/issue-64848.rs +++ /dev/null @@ -1,29 +0,0 @@ -// build-pass - -trait AssociatedConstant { - const DATA: (); -} - -impl<F, T> AssociatedConstant for F -where - F: FnOnce() -> T, - T: AssociatedConstant, -{ - const DATA: () = T::DATA; -} - -impl AssociatedConstant for () { - const DATA: () = (); -} - -fn foo() -> impl AssociatedConstant { - () -} - -fn get_data<T: AssociatedConstant>(_: T) -> &'static () { - &T::DATA -} - -fn main() { - get_data(foo); -} diff --git a/src/test/ui/associated-types/issue-64855-2.rs b/src/test/ui/associated-types/issue-64855-2.rs deleted file mode 100644 index 1d53bd570..000000000 --- a/src/test/ui/associated-types/issue-64855-2.rs +++ /dev/null @@ -1,5 +0,0 @@ -// check-pass - -pub struct Bar<'a>(&'a Self) where Self: ; - -fn main() {} diff --git a/src/test/ui/associated-types/issue-64855.rs b/src/test/ui/associated-types/issue-64855.rs deleted file mode 100644 index 81cf3ae6e..000000000 --- a/src/test/ui/associated-types/issue-64855.rs +++ /dev/null @@ -1,8 +0,0 @@ -pub trait Foo { - type Type; -} - -pub struct Bar<T>(<Self as Foo>::Type) where Self: ; -//~^ ERROR the trait bound `Bar<T>: Foo` is not satisfied - -fn main() {} diff --git a/src/test/ui/associated-types/issue-64855.stderr b/src/test/ui/associated-types/issue-64855.stderr deleted file mode 100644 index 6ad795c11..000000000 --- a/src/test/ui/associated-types/issue-64855.stderr +++ /dev/null @@ -1,9 +0,0 @@ -error[E0277]: the trait bound `Bar<T>: Foo` is not satisfied - --> $DIR/issue-64855.rs:5:19 - | -LL | pub struct Bar<T>(<Self as Foo>::Type) where Self: ; - | ^^^^^^^^^^^^^^^^^^^ the trait `Foo` is not implemented for `Bar<T>` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/issue-65774-1.rs b/src/test/ui/associated-types/issue-65774-1.rs deleted file mode 100644 index 934514055..000000000 --- a/src/test/ui/associated-types/issue-65774-1.rs +++ /dev/null @@ -1,58 +0,0 @@ -#![feature(associated_type_defaults)] - -trait MyDisplay { fn method(&self) { } } - -impl<'a, T: MyDisplay> MyDisplay for &'a mut T { } - -struct T; - -trait MPU { - type MpuConfig: MyDisplay = T; - //~^ ERROR the trait bound `T: MyDisplay` is not satisfied -} - -struct S; - -impl MPU for S { } - -trait MyWrite { - fn my_write(&self, _: &dyn MyDisplay) { } -} - -trait ProcessType { - fn process_detail_fmt(&self, _: &mut dyn MyWrite); -} - -struct Process; - -impl ProcessType for Process { - fn process_detail_fmt(&self, writer: &mut dyn MyWrite) - { - - let mut val: Option<<S as MPU>::MpuConfig> = None; - let valref: &mut <S as MPU>::MpuConfig = val.as_mut().unwrap(); - - // // This causes a different ICE (but its similar if you squint right): - // // - // // `Unimplemented` selecting `Binder(<T as MyDisplay>)` during codegen - // - // writer.my_write(valref) - - // This one causes the ICE: - // FulfillmentError(Obligation(predicate=Binder(TraitPredicate(<T as MyDisplay>)), - // depth=1),Unimplemented) - let closure = |config: &mut <S as MPU>::MpuConfig| writer.my_write(&config); - //~^ ERROR the trait bound `T: MyDisplay` is not satisfied - closure(valref); - } -} - -fn create() -> &'static dyn ProcessType { - let input: Option<&mut Process> = None; - let process: &mut Process = input.unwrap(); - process -} - -pub fn main() { - create(); -} diff --git a/src/test/ui/associated-types/issue-65774-1.stderr b/src/test/ui/associated-types/issue-65774-1.stderr deleted file mode 100644 index 3b294d65d..000000000 --- a/src/test/ui/associated-types/issue-65774-1.stderr +++ /dev/null @@ -1,30 +0,0 @@ -error[E0277]: the trait bound `T: MyDisplay` is not satisfied - --> $DIR/issue-65774-1.rs:10:33 - | -LL | type MpuConfig: MyDisplay = T; - | ^ the trait `MyDisplay` is not implemented for `T` - | - = help: the trait `MyDisplay` is implemented for `&'a mut T` -note: required by a bound in `MPU::MpuConfig` - --> $DIR/issue-65774-1.rs:10:21 - | -LL | type MpuConfig: MyDisplay = T; - | ^^^^^^^^^ required by this bound in `MPU::MpuConfig` - -error[E0277]: the trait bound `T: MyDisplay` is not satisfied - --> $DIR/issue-65774-1.rs:44:76 - | -LL | let closure = |config: &mut <S as MPU>::MpuConfig| writer.my_write(&config); - | ^^^^^^^ the trait `MyDisplay` is not implemented for `T` - | - = help: the trait `MyDisplay` is implemented for `&'a mut T` -note: required for `&mut T` to implement `MyDisplay` - --> $DIR/issue-65774-1.rs:5:24 - | -LL | impl<'a, T: MyDisplay> MyDisplay for &'a mut T { } - | ^^^^^^^^^ ^^^^^^^^^ - = note: required for the cast from `&mut T` to the object type `dyn MyDisplay` - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/issue-65774-2.rs b/src/test/ui/associated-types/issue-65774-2.rs deleted file mode 100644 index 171e0893b..000000000 --- a/src/test/ui/associated-types/issue-65774-2.rs +++ /dev/null @@ -1,58 +0,0 @@ -#![feature(associated_type_defaults)] - -trait MyDisplay { fn method(&self) { } } - -impl<'a, T: MyDisplay> MyDisplay for &'a mut T { } - -struct T; - -trait MPU { - type MpuConfig: MyDisplay = T; - //~^ ERROR the trait bound `T: MyDisplay` is not satisfied -} - -struct S; - -impl MPU for S { } - -trait MyWrite { - fn my_write(&self, _: &dyn MyDisplay) { } -} - -trait ProcessType { - fn process_detail_fmt(&self, _: &mut dyn MyWrite); -} - -struct Process; - -impl ProcessType for Process { - fn process_detail_fmt(&self, writer: &mut dyn MyWrite) - { - - let mut val: Option<<S as MPU>::MpuConfig> = None; - let valref: &mut <S as MPU>::MpuConfig = val.as_mut().unwrap(); - - // // This causes a different ICE (but its similar if you squint right): - // // - // // `Unimplemented` selecting `Binder(<T as MyDisplay>)` during codegen - // - writer.my_write(valref) - //~^ ERROR the trait bound `T: MyDisplay` is not satisfied - - // This one causes the ICE: - // FulfillmentError(Obligation(predicate=Binder(TraitPredicate(<T as MyDisplay>)), - // depth=1),Unimplemented) - /*let closure = |config: &mut <S as MPU>::MpuConfig| writer.my_write(&config); - closure(valref);*/ - } -} - -fn create() -> &'static dyn ProcessType { - let input: Option<&mut Process> = None; - let process: &mut Process = input.unwrap(); - process -} - -pub fn main() { - create(); -} diff --git a/src/test/ui/associated-types/issue-65774-2.stderr b/src/test/ui/associated-types/issue-65774-2.stderr deleted file mode 100644 index c22302cdc..000000000 --- a/src/test/ui/associated-types/issue-65774-2.stderr +++ /dev/null @@ -1,25 +0,0 @@ -error[E0277]: the trait bound `T: MyDisplay` is not satisfied - --> $DIR/issue-65774-2.rs:10:33 - | -LL | type MpuConfig: MyDisplay = T; - | ^ the trait `MyDisplay` is not implemented for `T` - | - = help: the trait `MyDisplay` is implemented for `&'a mut T` -note: required by a bound in `MPU::MpuConfig` - --> $DIR/issue-65774-2.rs:10:21 - | -LL | type MpuConfig: MyDisplay = T; - | ^^^^^^^^^ required by this bound in `MPU::MpuConfig` - -error[E0277]: the trait bound `T: MyDisplay` is not satisfied - --> $DIR/issue-65774-2.rs:39:25 - | -LL | writer.my_write(valref) - | ^^^^^^ the trait `MyDisplay` is not implemented for `T` - | - = help: the trait `MyDisplay` is implemented for `&'a mut T` - = note: required for the cast from `T` to the object type `dyn MyDisplay` - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/issue-65934.rs b/src/test/ui/associated-types/issue-65934.rs deleted file mode 100644 index e17b11c5e..000000000 --- a/src/test/ui/associated-types/issue-65934.rs +++ /dev/null @@ -1,17 +0,0 @@ -// check-pass - -trait Trait { - type Assoc; -} - -impl Trait for () { - type Assoc = (); -} - -fn unit() -> impl Into<<() as Trait>::Assoc> {} - -pub fn ice() { - Into::into(unit()); -} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-67684.rs b/src/test/ui/associated-types/issue-67684.rs deleted file mode 100644 index 49efe8a1b..000000000 --- a/src/test/ui/associated-types/issue-67684.rs +++ /dev/null @@ -1,62 +0,0 @@ -// check-pass - -#![allow(dead_code)] - -trait ParseError { - type StreamError; -} - -impl<T> ParseError for T { - type StreamError = (); -} - -trait Stream { - type Item; - type Error: ParseError; -} - -trait Parser -where - <Self as Parser>::PartialState: Default, -{ - type PartialState; - fn parse_mode(_: &Self, _: Self::PartialState) { - loop {} - } -} - -impl Stream for () { - type Item = (); - type Error = (); -} - -impl Parser for () { - type PartialState = (); -} - -struct AndThen<A, B>(core::marker::PhantomData<(A, B)>); - -impl<A, B> Parser for AndThen<A, B> -where - A: Stream, - B: Into<<A::Error as ParseError>::StreamError>, -{ - type PartialState = (); -} - -fn expr<A>() -> impl Parser -where - A: Stream<Error = <A as Stream>::Item>, -{ - AndThen::<A, ()>(core::marker::PhantomData) -} - -fn parse_mode_impl<A>() -where - <A as Stream>::Error: ParseError, - A: Stream<Error = <A as Stream>::Item>, -{ - Parser::parse_mode(&expr::<A>(), Default::default()) -} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-69398.rs b/src/test/ui/associated-types/issue-69398.rs deleted file mode 100644 index ca3d66b1c..000000000 --- a/src/test/ui/associated-types/issue-69398.rs +++ /dev/null @@ -1,21 +0,0 @@ -// check-pass - -pub trait Foo { - type Bar; -} - -pub trait Broken { - type Assoc; - fn broken(&self) where Self::Assoc: Foo; -} - -impl<T> Broken for T { - type Assoc = (); - fn broken(&self) where Self::Assoc: Foo { - let _x: <Self::Assoc as Foo>::Bar; - } -} - -fn main() { - let _m: &dyn Broken<Assoc=()> = &(); -} diff --git a/src/test/ui/associated-types/issue-71113.rs b/src/test/ui/associated-types/issue-71113.rs deleted file mode 100644 index 48de89127..000000000 --- a/src/test/ui/associated-types/issue-71113.rs +++ /dev/null @@ -1,16 +0,0 @@ -// check-pass - -use std::borrow::Cow; - -enum _Recursive<'a> -where - Self: ToOwned<Owned=Box<Self>> -{ - Variant(MyCow<'a, _Recursive<'a>>), -} - -pub struct Wrapper<T>(T); - -pub struct MyCow<'a, T: ToOwned<Owned=Box<T>> + 'a>(Wrapper<Cow<'a, T>>); - -fn main() {} diff --git a/src/test/ui/associated-types/issue-72806.rs b/src/test/ui/associated-types/issue-72806.rs deleted file mode 100644 index 947582503..000000000 --- a/src/test/ui/associated-types/issue-72806.rs +++ /dev/null @@ -1,21 +0,0 @@ -trait Bar { - type Ok; - type Sibling: Bar2<Ok=char>; -} -trait Bar2 { - type Ok; -} - -struct Foo; -struct Foo2; - -impl Bar for Foo { - type Ok = (); - type Sibling = Foo2; - //~^ ERROR type mismatch resolving `<Foo2 as Bar2>::Ok == char` -} -impl Bar2 for Foo2 { - type Ok = u32; -} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-72806.stderr b/src/test/ui/associated-types/issue-72806.stderr deleted file mode 100644 index e95943f34..000000000 --- a/src/test/ui/associated-types/issue-72806.stderr +++ /dev/null @@ -1,20 +0,0 @@ -error[E0271]: type mismatch resolving `<Foo2 as Bar2>::Ok == char` - --> $DIR/issue-72806.rs:14:20 - | -LL | type Sibling = Foo2; - | ^^^^ type mismatch resolving `<Foo2 as Bar2>::Ok == char` - | -note: expected this to be `char` - --> $DIR/issue-72806.rs:18:15 - | -LL | type Ok = u32; - | ^^^ -note: required by a bound in `Bar::Sibling` - --> $DIR/issue-72806.rs:3:24 - | -LL | type Sibling: Bar2<Ok=char>; - | ^^^^^^^ required by this bound in `Bar::Sibling` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0271`. diff --git a/src/test/ui/associated-types/issue-76179.rs b/src/test/ui/associated-types/issue-76179.rs deleted file mode 100644 index 0e086968b..000000000 --- a/src/test/ui/associated-types/issue-76179.rs +++ /dev/null @@ -1,19 +0,0 @@ -// check-pass - -#![feature(associated_type_defaults)] - -use std::io::Read; - -trait View { - type Deserializers: Deserializer<Item = Self::RequestParams>; - type RequestParams = DefaultRequestParams; -} - -struct DefaultRequestParams; - -trait Deserializer { - type Item; - fn deserialize(r: impl Read) -> Self::Item; -} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-82079.rs b/src/test/ui/associated-types/issue-82079.rs deleted file mode 100644 index 8b3bad707..000000000 --- a/src/test/ui/associated-types/issue-82079.rs +++ /dev/null @@ -1,124 +0,0 @@ -// revisions: default miropt -// check-pass -//[miropt]compile-flags: -Z mir-opt-level=3 -// -^ This flag is for #96395 as a regression test. - -mod convenience_operators { - use crate::{Op, Relation}; - use std::ops::AddAssign; - use std::ops::Mul; - - impl<C: Op> Relation<C> { - pub fn map<F: Fn(C::D) -> D2 + 'static, D2: 'static>( - self, - f: F, - ) -> Relation<impl Op<D = D2, R = C::R>> { - self.map_dr(move |x, r| (f(x), r)) - } - } - - impl<K: 'static, V: 'static, C: Op<D = (K, V)>> Relation<C> { - pub fn semijoin<C2: Op<D = K, R = R2>, R2, R3: AddAssign<R3>>( - self, - other: Relation<C2>, - ) -> Relation<impl Op<D = C::D, R = R3>> - where - C::R: Mul<R2, Output = R3>, - { - self.join(other.map(|x| (x, ()))).map(|(k, x, ())| (k, x)) - } - } -} - -mod core { - mod operator { - mod join { - use super::Op; - use crate::core::Relation; - use std::ops::{AddAssign, Mul}; - struct Join<LC, RC> { - _left: LC, - _right: RC, - } - impl< - LC: Op<D = (K, LD), R = LR>, - RC: Op<D = (K, RD), R = RR>, - K: 'static, - LD: 'static, - LR: AddAssign<LR> + Mul<RR, Output = OR>, - RD: 'static, - RR: AddAssign<RR>, - OR: AddAssign<OR>, - > Op for Join<LC, RC> - { - type D = (K, LD, RD); - type R = OR; - } - impl<K: 'static, D: 'static, C: Op<D = (K, D)>> Relation<C> { - pub fn join<C2: Op<D = (K, D2)>, D2: 'static, OR: AddAssign<OR>>( - self, - other: Relation<C2>, - ) -> Relation<impl Op<D = (K, D, D2), R = OR>> - where - C::R: Mul<C2::R, Output = OR>, - { - Relation { - inner: Join { - _left: self.inner, - _right: other.inner, - }, - } - } - } - } - mod map { - use super::Op; - use crate::core::Relation; - use std::ops::AddAssign; - struct Map<C, MF> { - _inner: C, - _op: MF, - } - impl< - D1, - R1, - D2: 'static, - R2: AddAssign<R2>, - C: Op<D = D1, R = R1>, - MF: Fn(D1, R1) -> (D2, R2), - > Op for Map<C, MF> - { - type D = D2; - type R = R2; - } - impl<C: Op> Relation<C> { - pub fn map_dr<F: Fn(C::D, C::R) -> (D2, R2), D2: 'static, R2: AddAssign<R2>>( - self, - f: F, - ) -> Relation<impl Op<D = D2, R = R2>> { - Relation { - inner: Map { - _inner: self.inner, - _op: f, - }, - } - } - } - } - use std::ops::AddAssign; - pub trait Op { - type D: 'static; - type R: AddAssign<Self::R>; - } - } - pub use self::operator::Op; - #[derive(Clone)] - pub struct Relation<C> { - inner: C, - } -} - -use self::core::Op; -pub use self::core::Relation; - -fn main() {} diff --git a/src/test/ui/associated-types/issue-85103.rs b/src/test/ui/associated-types/issue-85103.rs deleted file mode 100644 index 9c6a419e9..000000000 --- a/src/test/ui/associated-types/issue-85103.rs +++ /dev/null @@ -1,9 +0,0 @@ -#![feature(rustc_attrs)] - -use std::borrow::Cow; - -#[rustc_layout(debug)] -type Edges<'a, E> = Cow<'a, [E]>; -//~^ 6:1: 6:18: unable to determine layout for `<[E] as ToOwned>::Owned` because `<[E] as ToOwned>::Owned` cannot be normalized - -fn main() {} diff --git a/src/test/ui/associated-types/issue-85103.stderr b/src/test/ui/associated-types/issue-85103.stderr deleted file mode 100644 index 17f714807..000000000 --- a/src/test/ui/associated-types/issue-85103.stderr +++ /dev/null @@ -1,8 +0,0 @@ -error: unable to determine layout for `<[E] as ToOwned>::Owned` because `<[E] as ToOwned>::Owned` cannot be normalized - --> $DIR/issue-85103.rs:6:1 - | -LL | type Edges<'a, E> = Cow<'a, [E]>; - | ^^^^^^^^^^^^^^^^^ - -error: aborting due to previous error - diff --git a/src/test/ui/associated-types/issue-87261.rs b/src/test/ui/associated-types/issue-87261.rs deleted file mode 100644 index e8548d402..000000000 --- a/src/test/ui/associated-types/issue-87261.rs +++ /dev/null @@ -1,99 +0,0 @@ -trait Foo {} - -trait Trait { - type Associated; -} -trait DerivedTrait: Trait {} -trait GenericTrait<A> { - type Associated; -} - -struct Impl; -impl Foo for Impl {} -impl Trait for Impl { - type Associated = (); -} -impl DerivedTrait for Impl {} -impl<A> GenericTrait<A> for Impl { - type Associated = (); -} - -fn returns_opaque() -> impl Trait + 'static { - Impl -} -fn returns_opaque_derived() -> impl DerivedTrait + 'static { - Impl -} -fn returns_opaque_foo() -> impl Trait + Foo { - Impl -} -fn returns_opaque_derived_foo() -> impl DerivedTrait + Foo { - Impl -} -fn returns_opaque_generic() -> impl GenericTrait<()> + 'static { - Impl -} -fn returns_opaque_generic_foo() -> impl GenericTrait<()> + Foo { - Impl -} -fn returns_opaque_generic_duplicate() -> impl GenericTrait<()> + GenericTrait<u8> { - Impl -} - -fn accepts_trait<T: Trait<Associated = ()>>(_: T) {} -fn accepts_generic_trait<T: GenericTrait<(), Associated = ()>>(_: T) {} - -fn check_generics<A, B, C, D, E, F, G>(a: A, b: B, c: C, d: D, e: E, f: F, g: G) -where - A: Trait + 'static, - B: DerivedTrait + 'static, - C: Trait + Foo, - D: DerivedTrait + Foo, - E: GenericTrait<()> + 'static, - F: GenericTrait<()> + Foo, - G: GenericTrait<()> + GenericTrait<u8>, -{ - accepts_trait(a); - //~^ ERROR type mismatch resolving `<A as Trait>::Associated == ()` - - accepts_trait(b); - //~^ ERROR type mismatch resolving `<B as Trait>::Associated == ()` - - accepts_trait(c); - //~^ ERROR type mismatch resolving `<C as Trait>::Associated == ()` - - accepts_trait(d); - //~^ ERROR type mismatch resolving `<D as Trait>::Associated == ()` - - accepts_generic_trait(e); - //~^ ERROR type mismatch resolving `<E as GenericTrait<()>>::Associated == ()` - - accepts_generic_trait(f); - //~^ ERROR type mismatch resolving `<F as GenericTrait<()>>::Associated == ()` - - accepts_generic_trait(g); - //~^ ERROR type mismatch resolving `<G as GenericTrait<()>>::Associated == ()` -} - -fn main() { - accepts_trait(returns_opaque()); - //~^ ERROR type mismatch resolving `<impl Trait + 'static as Trait>::Associated == ()` - - accepts_trait(returns_opaque_derived()); - //~^ ERROR type mismatch resolving `<impl DerivedTrait + 'static as Trait>::Associated == ()` - - accepts_trait(returns_opaque_foo()); - //~^ ERROR type mismatch resolving `<impl Trait + Foo as Trait>::Associated == ()` - - accepts_trait(returns_opaque_derived_foo()); - //~^ ERROR type mismatch resolving `<impl DerivedTrait + Foo as Trait>::Associated == ()` - - accepts_generic_trait(returns_opaque_generic()); - //~^ ERROR type mismatch resolving `<impl GenericTrait<()> + 'static as GenericTrait<()>>::Associated == ()` - - accepts_generic_trait(returns_opaque_generic_foo()); - //~^ ERROR type mismatch resolving `<impl GenericTrait<()> + Foo as GenericTrait<()>>::Associated == ()` - - accepts_generic_trait(returns_opaque_generic_duplicate()); - //~^ ERROR type mismatch resolving `<impl GenericTrait<()> + GenericTrait<u8> as GenericTrait<()>>::Associated == ()` -} diff --git a/src/test/ui/associated-types/issue-87261.stderr b/src/test/ui/associated-types/issue-87261.stderr deleted file mode 100644 index 2cce6b947..000000000 --- a/src/test/ui/associated-types/issue-87261.stderr +++ /dev/null @@ -1,294 +0,0 @@ -error[E0271]: type mismatch resolving `<A as Trait>::Associated == ()` - --> $DIR/issue-87261.rs:56:19 - | -LL | accepts_trait(a); - | ------------- ^ expected `()`, found associated type - | | - | required by a bound introduced by this call - | - = note: expected unit type `()` - found associated type `<A as Trait>::Associated` -note: required by a bound in `accepts_trait` - --> $DIR/issue-87261.rs:43:27 - | -LL | fn accepts_trait<T: Trait<Associated = ()>>(_: T) {} - | ^^^^^^^^^^^^^^^ required by this bound in `accepts_trait` -help: consider constraining the associated type `<A as Trait>::Associated` to `()` - | -LL | A: Trait<Associated = ()> + 'static, - | +++++++++++++++++ - -error[E0271]: type mismatch resolving `<B as Trait>::Associated == ()` - --> $DIR/issue-87261.rs:59:19 - | -LL | accepts_trait(b); - | ------------- ^ expected `()`, found associated type - | | - | required by a bound introduced by this call - | - = note: expected unit type `()` - found associated type `<B as Trait>::Associated` - = help: consider constraining the associated type `<B as Trait>::Associated` to `()` - = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html -note: required by a bound in `accepts_trait` - --> $DIR/issue-87261.rs:43:27 - | -LL | fn accepts_trait<T: Trait<Associated = ()>>(_: T) {} - | ^^^^^^^^^^^^^^^ required by this bound in `accepts_trait` - -error[E0271]: type mismatch resolving `<C as Trait>::Associated == ()` - --> $DIR/issue-87261.rs:62:19 - | -LL | accepts_trait(c); - | ------------- ^ expected `()`, found associated type - | | - | required by a bound introduced by this call - | - = note: expected unit type `()` - found associated type `<C as Trait>::Associated` -note: required by a bound in `accepts_trait` - --> $DIR/issue-87261.rs:43:27 - | -LL | fn accepts_trait<T: Trait<Associated = ()>>(_: T) {} - | ^^^^^^^^^^^^^^^ required by this bound in `accepts_trait` -help: consider constraining the associated type `<C as Trait>::Associated` to `()` - | -LL | C: Trait<Associated = ()> + Foo, - | +++++++++++++++++ - -error[E0271]: type mismatch resolving `<D as Trait>::Associated == ()` - --> $DIR/issue-87261.rs:65:19 - | -LL | accepts_trait(d); - | ------------- ^ expected `()`, found associated type - | | - | required by a bound introduced by this call - | - = note: expected unit type `()` - found associated type `<D as Trait>::Associated` - = help: consider constraining the associated type `<D as Trait>::Associated` to `()` - = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html -note: required by a bound in `accepts_trait` - --> $DIR/issue-87261.rs:43:27 - | -LL | fn accepts_trait<T: Trait<Associated = ()>>(_: T) {} - | ^^^^^^^^^^^^^^^ required by this bound in `accepts_trait` - -error[E0271]: type mismatch resolving `<E as GenericTrait<()>>::Associated == ()` - --> $DIR/issue-87261.rs:68:27 - | -LL | accepts_generic_trait(e); - | --------------------- ^ expected `()`, found associated type - | | - | required by a bound introduced by this call - | - = note: expected unit type `()` - found associated type `<E as GenericTrait<()>>::Associated` -note: required by a bound in `accepts_generic_trait` - --> $DIR/issue-87261.rs:44:46 - | -LL | fn accepts_generic_trait<T: GenericTrait<(), Associated = ()>>(_: T) {} - | ^^^^^^^^^^^^^^^ required by this bound in `accepts_generic_trait` -help: consider constraining the associated type `<E as GenericTrait<()>>::Associated` to `()` - | -LL | E: GenericTrait<(), Associated = ()> + 'static, - | +++++++++++++++++ - -error[E0271]: type mismatch resolving `<F as GenericTrait<()>>::Associated == ()` - --> $DIR/issue-87261.rs:71:27 - | -LL | accepts_generic_trait(f); - | --------------------- ^ expected `()`, found associated type - | | - | required by a bound introduced by this call - | - = note: expected unit type `()` - found associated type `<F as GenericTrait<()>>::Associated` -note: required by a bound in `accepts_generic_trait` - --> $DIR/issue-87261.rs:44:46 - | -LL | fn accepts_generic_trait<T: GenericTrait<(), Associated = ()>>(_: T) {} - | ^^^^^^^^^^^^^^^ required by this bound in `accepts_generic_trait` -help: consider constraining the associated type `<F as GenericTrait<()>>::Associated` to `()` - | -LL | F: GenericTrait<(), Associated = ()> + Foo, - | +++++++++++++++++ - -error[E0271]: type mismatch resolving `<G as GenericTrait<()>>::Associated == ()` - --> $DIR/issue-87261.rs:74:27 - | -LL | accepts_generic_trait(g); - | --------------------- ^ expected `()`, found associated type - | | - | required by a bound introduced by this call - | - = note: expected unit type `()` - found associated type `<G as GenericTrait<()>>::Associated` - = help: consider constraining the associated type `<G as GenericTrait<()>>::Associated` to `()` - = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html -note: required by a bound in `accepts_generic_trait` - --> $DIR/issue-87261.rs:44:46 - | -LL | fn accepts_generic_trait<T: GenericTrait<(), Associated = ()>>(_: T) {} - | ^^^^^^^^^^^^^^^ required by this bound in `accepts_generic_trait` - -error[E0271]: type mismatch resolving `<impl Trait + 'static as Trait>::Associated == ()` - --> $DIR/issue-87261.rs:79:19 - | -LL | fn returns_opaque() -> impl Trait + 'static { - | -------------------- the found opaque type -... -LL | accepts_trait(returns_opaque()); - | ------------- ^^^^^^^^^^^^^^^^ expected `()`, found associated type - | | - | required by a bound introduced by this call - | - = note: expected unit type `()` - found associated type `<impl Trait + 'static as Trait>::Associated` -note: required by a bound in `accepts_trait` - --> $DIR/issue-87261.rs:43:27 - | -LL | fn accepts_trait<T: Trait<Associated = ()>>(_: T) {} - | ^^^^^^^^^^^^^^^ required by this bound in `accepts_trait` -help: consider constraining the associated type `<impl Trait + 'static as Trait>::Associated` to `()` - | -LL | fn returns_opaque() -> impl Trait<Associated = ()> + 'static { - | +++++++++++++++++ - -error[E0271]: type mismatch resolving `<impl DerivedTrait + 'static as Trait>::Associated == ()` - --> $DIR/issue-87261.rs:82:19 - | -LL | fn returns_opaque_derived() -> impl DerivedTrait + 'static { - | --------------------------- the found opaque type -... -LL | accepts_trait(returns_opaque_derived()); - | ------------- ^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found associated type - | | - | required by a bound introduced by this call - | - = note: expected unit type `()` - found associated type `<impl DerivedTrait + 'static as Trait>::Associated` -note: required by a bound in `accepts_trait` - --> $DIR/issue-87261.rs:43:27 - | -LL | fn accepts_trait<T: Trait<Associated = ()>>(_: T) {} - | ^^^^^^^^^^^^^^^ required by this bound in `accepts_trait` -help: consider constraining the associated type `<impl DerivedTrait + 'static as Trait>::Associated` to `()` - | -LL | fn returns_opaque_derived() -> impl DerivedTrait<Associated = ()> + 'static { - | +++++++++++++++++ - -error[E0271]: type mismatch resolving `<impl Trait + Foo as Trait>::Associated == ()` - --> $DIR/issue-87261.rs:85:19 - | -LL | fn returns_opaque_foo() -> impl Trait + Foo { - | ---------------- the found opaque type -... -LL | accepts_trait(returns_opaque_foo()); - | ------------- ^^^^^^^^^^^^^^^^^^^^ expected `()`, found associated type - | | - | required by a bound introduced by this call - | - = note: expected unit type `()` - found associated type `<impl Trait + Foo as Trait>::Associated` -note: required by a bound in `accepts_trait` - --> $DIR/issue-87261.rs:43:27 - | -LL | fn accepts_trait<T: Trait<Associated = ()>>(_: T) {} - | ^^^^^^^^^^^^^^^ required by this bound in `accepts_trait` -help: consider constraining the associated type `<impl Trait + Foo as Trait>::Associated` to `()` - | -LL | fn returns_opaque_foo() -> impl Trait<Associated = ()> + Foo { - | +++++++++++++++++ - -error[E0271]: type mismatch resolving `<impl DerivedTrait + Foo as Trait>::Associated == ()` - --> $DIR/issue-87261.rs:88:19 - | -LL | fn returns_opaque_derived_foo() -> impl DerivedTrait + Foo { - | ----------------------- the found opaque type -... -LL | accepts_trait(returns_opaque_derived_foo()); - | ------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found associated type - | | - | required by a bound introduced by this call - | - = note: expected unit type `()` - found associated type `<impl DerivedTrait + Foo as Trait>::Associated` - = help: consider constraining the associated type `<impl DerivedTrait + Foo as Trait>::Associated` to `()` - = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html -note: required by a bound in `accepts_trait` - --> $DIR/issue-87261.rs:43:27 - | -LL | fn accepts_trait<T: Trait<Associated = ()>>(_: T) {} - | ^^^^^^^^^^^^^^^ required by this bound in `accepts_trait` - -error[E0271]: type mismatch resolving `<impl GenericTrait<()> + 'static as GenericTrait<()>>::Associated == ()` - --> $DIR/issue-87261.rs:91:27 - | -LL | fn returns_opaque_generic() -> impl GenericTrait<()> + 'static { - | ------------------------------- the found opaque type -... -LL | accepts_generic_trait(returns_opaque_generic()); - | --------------------- ^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found associated type - | | - | required by a bound introduced by this call - | - = note: expected unit type `()` - found associated type `<impl GenericTrait<()> + 'static as GenericTrait<()>>::Associated` -note: required by a bound in `accepts_generic_trait` - --> $DIR/issue-87261.rs:44:46 - | -LL | fn accepts_generic_trait<T: GenericTrait<(), Associated = ()>>(_: T) {} - | ^^^^^^^^^^^^^^^ required by this bound in `accepts_generic_trait` -help: consider constraining the associated type `<impl GenericTrait<()> + 'static as GenericTrait<()>>::Associated` to `()` - | -LL | fn returns_opaque_generic() -> impl GenericTrait<(), Associated = ()> + 'static { - | +++++++++++++++++ - -error[E0271]: type mismatch resolving `<impl GenericTrait<()> + Foo as GenericTrait<()>>::Associated == ()` - --> $DIR/issue-87261.rs:94:27 - | -LL | fn returns_opaque_generic_foo() -> impl GenericTrait<()> + Foo { - | --------------------------- the found opaque type -... -LL | accepts_generic_trait(returns_opaque_generic_foo()); - | --------------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found associated type - | | - | required by a bound introduced by this call - | - = note: expected unit type `()` - found associated type `<impl GenericTrait<()> + Foo as GenericTrait<()>>::Associated` -note: required by a bound in `accepts_generic_trait` - --> $DIR/issue-87261.rs:44:46 - | -LL | fn accepts_generic_trait<T: GenericTrait<(), Associated = ()>>(_: T) {} - | ^^^^^^^^^^^^^^^ required by this bound in `accepts_generic_trait` -help: consider constraining the associated type `<impl GenericTrait<()> + Foo as GenericTrait<()>>::Associated` to `()` - | -LL | fn returns_opaque_generic_foo() -> impl GenericTrait<(), Associated = ()> + Foo { - | +++++++++++++++++ - -error[E0271]: type mismatch resolving `<impl GenericTrait<()> + GenericTrait<u8> as GenericTrait<()>>::Associated == ()` - --> $DIR/issue-87261.rs:97:27 - | -LL | fn returns_opaque_generic_duplicate() -> impl GenericTrait<()> + GenericTrait<u8> { - | ---------------------------------------- the found opaque type -... -LL | accepts_generic_trait(returns_opaque_generic_duplicate()); - | --------------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found associated type - | | - | required by a bound introduced by this call - | - = note: expected unit type `()` - found associated type `<impl GenericTrait<()> + GenericTrait<u8> as GenericTrait<()>>::Associated` - = help: consider constraining the associated type `<impl GenericTrait<()> + GenericTrait<u8> as GenericTrait<()>>::Associated` to `()` - = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html -note: required by a bound in `accepts_generic_trait` - --> $DIR/issue-87261.rs:44:46 - | -LL | fn accepts_generic_trait<T: GenericTrait<(), Associated = ()>>(_: T) {} - | ^^^^^^^^^^^^^^^ required by this bound in `accepts_generic_trait` - -error: aborting due to 14 previous errors - -For more information about this error, try `rustc --explain E0271`. diff --git a/src/test/ui/associated-types/issue-88856.rs b/src/test/ui/associated-types/issue-88856.rs deleted file mode 100644 index 7cae7c71c..000000000 --- a/src/test/ui/associated-types/issue-88856.rs +++ /dev/null @@ -1,32 +0,0 @@ -// check-pass - -#![feature(generic_const_exprs)] -#![allow(incomplete_features)] - -pub trait Trait{ - type R; - fn func(self)->Self::R; -} - -pub struct TraitImpl<const N:usize>(pub i32); - -impl<const N:usize> Trait for TraitImpl<N> -where [();N/2]:, -{ - type R = Self; - fn func(self)->Self::R { - self - } -} - -fn sample<P,Convert>(p:P,f:Convert) -> i32 -where - P:Trait,Convert:Fn(P::R)->i32 -{ - f(p.func()) -} - -fn main() { - let t = TraitImpl::<10>(4); - sample(t,|x|x.0); -} diff --git a/src/test/ui/associated-types/issue-91069.rs b/src/test/ui/associated-types/issue-91069.rs deleted file mode 100644 index 109c2eed2..000000000 --- a/src/test/ui/associated-types/issue-91069.rs +++ /dev/null @@ -1,24 +0,0 @@ -// check-pass - -pub trait Associate { - type Associated; -} - -pub struct Wrap<'a> { - pub field: &'a i32, -} - -pub trait Create<T> { - fn create() -> Self; -} - -pub fn oh_no<'a, T>() -where - Wrap<'a>: Associate, - <Wrap<'a> as Associate>::Associated: Create<T>, -{ - <Wrap<'a> as Associate>::Associated::create(); -} - - -pub fn main() {} diff --git a/src/test/ui/associated-types/issue-91231.rs b/src/test/ui/associated-types/issue-91231.rs deleted file mode 100644 index 3c1cb81f0..000000000 --- a/src/test/ui/associated-types/issue-91231.rs +++ /dev/null @@ -1,17 +0,0 @@ -// check-pass - -#![feature(extern_types)] -#![allow(dead_code)] - -extern { - type Extern; -} - -trait Trait { - type Type; -} - -#[inline] -fn f<'a>(_: <&'a Extern as Trait>::Type) where &'a Extern: Trait {} - -fn main() {} diff --git a/src/test/ui/associated-types/issue-91234.rs b/src/test/ui/associated-types/issue-91234.rs deleted file mode 100644 index 2f6c2d3ae..000000000 --- a/src/test/ui/associated-types/issue-91234.rs +++ /dev/null @@ -1,13 +0,0 @@ -// check-pass - -struct Struct; - -trait Trait { - type Type; -} - -enum Enum<'a> where &'a Struct: Trait { - Variant(<&'a Struct as Trait>::Type) -} - -fn main() {} diff --git a/src/test/ui/associated-types/missing-associated-types.rs b/src/test/ui/associated-types/missing-associated-types.rs deleted file mode 100644 index 3c8410e39..000000000 --- a/src/test/ui/associated-types/missing-associated-types.rs +++ /dev/null @@ -1,27 +0,0 @@ -use std::ops::{Add, Sub, Mul, Div}; -trait X<Rhs>: Mul<Rhs> + Div<Rhs> {} -trait Y<Rhs>: Div<Rhs, Output = Rhs> { - type A; -} -trait Z<Rhs>: Div<Rhs> { - type A; - type B; -} -trait Fine<Rhs>: Div<Rhs, Output = Rhs> {} - -type Foo<Rhs> = dyn Add<Rhs> + Sub<Rhs> + X<Rhs> + Y<Rhs>; -//~^ ERROR only auto traits can be used as additional traits in a trait object -//~| ERROR the value of the associated types -type Bar<Rhs> = dyn Add<Rhs> + Sub<Rhs> + X<Rhs> + Z<Rhs>; -//~^ ERROR only auto traits can be used as additional traits in a trait object -//~| ERROR the value of the associated types -type Baz<Rhs> = dyn Add<Rhs> + Sub<Rhs> + Y<Rhs>; -//~^ ERROR only auto traits can be used as additional traits in a trait object -//~| ERROR the value of the associated types -type Bat<Rhs> = dyn Add<Rhs> + Sub<Rhs> + Fine<Rhs>; -//~^ ERROR only auto traits can be used as additional traits in a trait object -//~| ERROR the value of the associated types -type Bal<Rhs> = dyn X<Rhs>; -//~^ ERROR the value of the associated types - -fn main() {} diff --git a/src/test/ui/associated-types/missing-associated-types.stderr b/src/test/ui/associated-types/missing-associated-types.stderr deleted file mode 100644 index f617df984..000000000 --- a/src/test/ui/associated-types/missing-associated-types.stderr +++ /dev/null @@ -1,129 +0,0 @@ -error[E0225]: only auto traits can be used as additional traits in a trait object - --> $DIR/missing-associated-types.rs:12:32 - | -LL | type Foo<Rhs> = dyn Add<Rhs> + Sub<Rhs> + X<Rhs> + Y<Rhs>; - | -------- ^^^^^^^^ additional non-auto trait - | | - | first non-auto trait - | - = help: consider creating a new trait with all of these as supertraits and using that trait here instead: `trait NewTrait: Add<Rhs> + Sub<Rhs> + X<Rhs> + Y<Rhs> {}` - = note: auto-traits like `Send` and `Sync` are traits that have special properties; for more information on them, visit <https://doc.rust-lang.org/reference/special-types-and-traits.html#auto-traits> - -error[E0191]: the value of the associated types `A` (from trait `Y`), `Output` (from trait `Add`), `Output` (from trait `Mul`), `Output` (from trait `Sub`) must be specified - --> $DIR/missing-associated-types.rs:12:21 - | -LL | type A; - | ------ `A` defined here -... -LL | type Foo<Rhs> = dyn Add<Rhs> + Sub<Rhs> + X<Rhs> + Y<Rhs>; - | ^^^^^^^^ ^^^^^^^^ ^^^^^^ ^^^^^^ associated type `A` must be specified - | | | | - | | | associated type `Output` must be specified - | | associated type `Output` must be specified - | associated type `Output` must be specified - | -help: specify the associated types - | -LL | type Foo<Rhs> = dyn Add<Rhs, Output = Type> + Sub<Rhs, Output = Type> + X<Rhs, Output = Type> + Y<Rhs, A = Type>; - | ~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~ - -error[E0225]: only auto traits can be used as additional traits in a trait object - --> $DIR/missing-associated-types.rs:15:32 - | -LL | type Bar<Rhs> = dyn Add<Rhs> + Sub<Rhs> + X<Rhs> + Z<Rhs>; - | -------- ^^^^^^^^ additional non-auto trait - | | - | first non-auto trait - | - = help: consider creating a new trait with all of these as supertraits and using that trait here instead: `trait NewTrait: Add<Rhs> + Sub<Rhs> + X<Rhs> + Z<Rhs> {}` - = note: auto-traits like `Send` and `Sync` are traits that have special properties; for more information on them, visit <https://doc.rust-lang.org/reference/special-types-and-traits.html#auto-traits> - -error[E0191]: the value of the associated types `A` (from trait `Z`), `B` (from trait `Z`), `Output` (from trait `Add`), `Output` (from trait `Div`), `Output` (from trait `Div`), `Output` (from trait `Mul`), `Output` (from trait `Sub`) must be specified - --> $DIR/missing-associated-types.rs:15:21 - | -LL | type A; - | ------ `A` defined here -LL | type B; - | ------ `B` defined here -... -LL | type Bar<Rhs> = dyn Add<Rhs> + Sub<Rhs> + X<Rhs> + Z<Rhs>; - | ^^^^^^^^ ^^^^^^^^ ^^^^^^ ^^^^^^ associated types `A`, `B`, `Output` must be specified - | | | | - | | | associated types `Output` (from trait `Mul`), `Output` (from trait `Div`) must be specified - | | associated type `Output` must be specified - | associated type `Output` must be specified - | -help: consider introducing a new type parameter, adding `where` constraints using the fully-qualified path to the associated types - --> $DIR/missing-associated-types.rs:15:43 - | -LL | type Bar<Rhs> = dyn Add<Rhs> + Sub<Rhs> + X<Rhs> + Z<Rhs>; - | ^^^^^^ -help: specify the associated types - | -LL | type Bar<Rhs> = dyn Add<Rhs, Output = Type> + Sub<Rhs, Output = Type> + X<Rhs> + Z<Rhs, A = Type, B = Type, Output = Type>; - | ~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - -error[E0225]: only auto traits can be used as additional traits in a trait object - --> $DIR/missing-associated-types.rs:18:32 - | -LL | type Baz<Rhs> = dyn Add<Rhs> + Sub<Rhs> + Y<Rhs>; - | -------- ^^^^^^^^ additional non-auto trait - | | - | first non-auto trait - | - = help: consider creating a new trait with all of these as supertraits and using that trait here instead: `trait NewTrait: Add<Rhs> + Sub<Rhs> + Y<Rhs> {}` - = note: auto-traits like `Send` and `Sync` are traits that have special properties; for more information on them, visit <https://doc.rust-lang.org/reference/special-types-and-traits.html#auto-traits> - -error[E0191]: the value of the associated types `A` (from trait `Y`), `Output` (from trait `Add`), `Output` (from trait `Sub`) must be specified - --> $DIR/missing-associated-types.rs:18:21 - | -LL | type A; - | ------ `A` defined here -... -LL | type Baz<Rhs> = dyn Add<Rhs> + Sub<Rhs> + Y<Rhs>; - | ^^^^^^^^ ^^^^^^^^ ^^^^^^ associated type `A` must be specified - | | | - | | associated type `Output` must be specified - | associated type `Output` must be specified - | -help: specify the associated types - | -LL | type Baz<Rhs> = dyn Add<Rhs, Output = Type> + Sub<Rhs, Output = Type> + Y<Rhs, A = Type>; - | ~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~ - -error[E0225]: only auto traits can be used as additional traits in a trait object - --> $DIR/missing-associated-types.rs:21:32 - | -LL | type Bat<Rhs> = dyn Add<Rhs> + Sub<Rhs> + Fine<Rhs>; - | -------- ^^^^^^^^ additional non-auto trait - | | - | first non-auto trait - | - = help: consider creating a new trait with all of these as supertraits and using that trait here instead: `trait NewTrait: Add<Rhs> + Sub<Rhs> + Fine<Rhs> {}` - = note: auto-traits like `Send` and `Sync` are traits that have special properties; for more information on them, visit <https://doc.rust-lang.org/reference/special-types-and-traits.html#auto-traits> - -error[E0191]: the value of the associated types `Output` (from trait `Add`), `Output` (from trait `Sub`) must be specified - --> $DIR/missing-associated-types.rs:21:21 - | -LL | type Bat<Rhs> = dyn Add<Rhs> + Sub<Rhs> + Fine<Rhs>; - | ^^^^^^^^ ^^^^^^^^ associated type `Output` must be specified - | | - | associated type `Output` must be specified - | -help: specify the associated types - | -LL | type Bat<Rhs> = dyn Add<Rhs, Output = Type> + Sub<Rhs, Output = Type> + Fine<Rhs>; - | ~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~ - -error[E0191]: the value of the associated types `Output` (from trait `Div`), `Output` (from trait `Mul`) must be specified - --> $DIR/missing-associated-types.rs:24:21 - | -LL | type Bal<Rhs> = dyn X<Rhs>; - | ^^^^^^ associated types `Output` (from trait `Mul`), `Output` (from trait `Div`) must be specified - | - = help: consider introducing a new type parameter, adding `where` constraints using the fully-qualified path to the associated types - -error: aborting due to 9 previous errors - -Some errors have detailed explanations: E0191, E0225. -For more information about an error, try `rustc --explain E0191`. diff --git a/src/test/ui/associated-types/normalization-debruijn-1.rs b/src/test/ui/associated-types/normalization-debruijn-1.rs deleted file mode 100644 index a5abf1ba9..000000000 --- a/src/test/ui/associated-types/normalization-debruijn-1.rs +++ /dev/null @@ -1,36 +0,0 @@ -// build-pass -// edition:2018 - -// Regression test to ensure we handle debruijn indices correctly in projection -// normalization under binders. Found in crater run for #85499 - -use std::future::Future; -use std::pin::Pin; -pub enum Outcome<S, E> { - Success((S, E)), -} -pub struct Request<'r> { - _marker: std::marker::PhantomData<&'r ()>, -} -pub trait FromRequest<'r>: Sized { - type Error; - fn from_request<'life0>( - request: &'r Request<'life0>, - ) -> Pin<Box<dyn Future<Output = Outcome<Self, Self::Error>>>>; -} -impl<'r, T: FromRequest<'r>> FromRequest<'r> for Option<T> { - type Error = (); - fn from_request<'life0>( - request: &'r Request<'life0>, - ) -> Pin<Box<dyn Future<Output = Outcome<Self, Self::Error>>>> { - Box::pin(async move { - let request = request; - match T::from_request(request).await { - _ => todo!(), - } - }); - todo!() - } -} - -fn main() {} diff --git a/src/test/ui/associated-types/normalization-debruijn-2.rs b/src/test/ui/associated-types/normalization-debruijn-2.rs deleted file mode 100644 index abe248e16..000000000 --- a/src/test/ui/associated-types/normalization-debruijn-2.rs +++ /dev/null @@ -1,31 +0,0 @@ -// build-pass -// edition:2018 - -// Regression test to ensure we handle debruijn indices correctly in projection -// normalization under binders. Found in crater run for #85499 - -use std::future::Future; -use std::pin::Pin; -pub enum Outcome<S, E> { - Success(S), - Failure(E), -} -pub struct Request<'r> { - _marker: std::marker::PhantomData<&'r ()>, -} -pub trait FromRequest<'r>: Sized { - type Error; - fn from_request<'life0>( - request: &'r Request<'life0>, - ) -> Pin<Box<dyn Future<Output = Outcome<Self, Self::Error>>>>; -} -pub struct S<T> { - _marker: std::marker::PhantomData<T>, -} -impl<'r, T: FromRequest<'r>> S<T> { - pub async fn from_request(request: &'r Request<'_>) { - let _ = T::from_request(request).await; - } -} - -fn main() {} diff --git a/src/test/ui/associated-types/normalization-debruijn-3.rs b/src/test/ui/associated-types/normalization-debruijn-3.rs deleted file mode 100644 index 2bea78cf7..000000000 --- a/src/test/ui/associated-types/normalization-debruijn-3.rs +++ /dev/null @@ -1,41 +0,0 @@ -// build-pass -// edition:2018 - -// Regression test to ensure we handle debruijn indices correctly in projection -// normalization under binders. Found in crater run for #85499 - -use std::future::{Future, Ready}; -async fn read() { - let _ = connect(&()).await; -} -async fn connect<A: ToSocketAddr>(addr: A) { - let _ = addr.to_socket_addr().await; -} -pub trait ToSocketAddr { - type Future: Future<Output = ()>; - fn to_socket_addr(&self) -> Self::Future; -} -impl ToSocketAddr for &() { - type Future = Ready<()>; - fn to_socket_addr(&self) -> Self::Future { - unimplemented!() - } -} -struct Server; -impl Server { - fn and_then<F>(self, _fun: F) -> AndThen<F> { - unimplemented!() - } -} -struct AndThen<F> { - _marker: std::marker::PhantomData<F>, -} -pub async fn run<F>(_: F) { -} -fn main() { - let _ = async { - let server = Server; - let verification_route = server.and_then(read); - run(verification_route).await; - }; -} diff --git a/src/test/ui/associated-types/normalization-generality-2.rs b/src/test/ui/associated-types/normalization-generality-2.rs deleted file mode 100644 index d8790bb2d..000000000 --- a/src/test/ui/associated-types/normalization-generality-2.rs +++ /dev/null @@ -1,30 +0,0 @@ -// build-pass - -// Ensures that we don't regress on "implementation is not general enough" when -// normalizating under binders. Unlike `normalization-generality.rs`, this also produces -// type outlives predicates that we must ignore. - -pub unsafe trait Yokeable<'a> { - type Output: 'a; -} -pub struct Yoke<Y: for<'a> Yokeable<'a>> { - _marker: std::marker::PhantomData<Y>, -} -impl<Y: for<'a> Yokeable<'a>> Yoke<Y> { - pub fn project<P>( - &self, - _f: for<'a> fn(&<Y as Yokeable<'a>>::Output, &'a ()) -> <P as Yokeable<'a>>::Output, - ) -> Yoke<P> - where - P: for<'a> Yokeable<'a>, - { - unimplemented!() - } -} -pub fn slice(y: Yoke<&'static str>) -> Yoke<&'static [u8]> { - y.project(move |yk, _| yk.as_bytes()) -} -unsafe impl<'a, T: 'static + ?Sized> Yokeable<'a> for &'static T { - type Output = &'a T; -} -fn main() {} diff --git a/src/test/ui/associated-types/normalization-generality.rs b/src/test/ui/associated-types/normalization-generality.rs deleted file mode 100644 index f8e3f5b58..000000000 --- a/src/test/ui/associated-types/normalization-generality.rs +++ /dev/null @@ -1,36 +0,0 @@ -// build-pass - -// Ensures that we don't regress on "implementation is not general enough" when -// normalizating under binders. - -#![feature(no_core)] - -pub trait Yokeable<'a> { - type Output: 'a; -} - -pub struct Yoke<Y: for<'a> Yokeable<'a>> { - _yokeable: Y, -} - -impl<Y: for<'a> Yokeable<'a>> Yoke<Y> { - pub fn project<'this, P>( - &'this self, - _f: for<'a> fn(<Y as Yokeable<'a>>::Output, &'a ()) -> <P as Yokeable<'a>>::Output, - ) -> Yoke<P> - where - P: for<'a> Yokeable<'a>, - { - unimplemented!() - } -} - -pub fn slice(y: Yoke<&'static ()>) -> Yoke<&'static ()> { - y.project(move |yk, _| yk) -} - -impl<'a, T> Yokeable<'a> for &'static T { - type Output = &'a T; -} - -fn main() {} diff --git a/src/test/ui/associated-types/normalization-probe-cycle.rs b/src/test/ui/associated-types/normalization-probe-cycle.rs deleted file mode 100644 index 9c1a488e9..000000000 --- a/src/test/ui/associated-types/normalization-probe-cycle.rs +++ /dev/null @@ -1,25 +0,0 @@ -// Regression test for #77656 - -// check-pass - -trait Value: PartialOrd {} - -impl<T: PartialOrd> Value for T {} - -trait Distance -where - Self: PartialOrd<<Self as Distance>::Value>, - Self: PartialOrd, -{ - type Value: Value; -} - -impl<T: Value> Distance for T { - type Value = T; -} - -trait Proximity<T = Self> { - type Distance: Distance; -} - -fn main() {} diff --git a/src/test/ui/associated-types/normalize-cycle-in-eval-no-region.rs b/src/test/ui/associated-types/normalize-cycle-in-eval-no-region.rs deleted file mode 100644 index 0fd2c7079..000000000 --- a/src/test/ui/associated-types/normalize-cycle-in-eval-no-region.rs +++ /dev/null @@ -1,20 +0,0 @@ -// Case that the fix for #74868 also allowed to compile - -// check-pass - -trait BoxedDsl { - type Output; -} - -impl<T> BoxedDsl for T -where - T: BoxedDsl, -{ - type Output = <T as BoxedDsl>::Output; -} - -trait HandleUpdate {} - -impl<T> HandleUpdate for T where T: BoxedDsl<Output = ()> {} - -fn main() {} diff --git a/src/test/ui/associated-types/normalize-cycle-in-eval.rs b/src/test/ui/associated-types/normalize-cycle-in-eval.rs deleted file mode 100644 index dff4c9051..000000000 --- a/src/test/ui/associated-types/normalize-cycle-in-eval.rs +++ /dev/null @@ -1,43 +0,0 @@ -// regression test for #74868 - -// check-pass - -trait BoxedDsl<'a> { - type Output; -} - -impl<'a, T> BoxedDsl<'a> for T -where - T: BoxedDsl<'a>, -{ - type Output = <T as BoxedDsl<'a>>::Output; -} - -// Showing this trait is wf requires proving -// Self: HandleUpdate -// -// The impl below is a candidate for this projection, as well as the `Self: -// HandleUpdate` bound in the environment. -// We evaluate both candidates to see if we need to consider both applicable. -// Evaluating the impl candidate requires evaluating -// <T as BoxedDsl<'static>>::Output == () -// The above impl cause normalizing the above type normalize to itself. -// -// This previously compiled because we would generate a new region -// variable each time around the cycle, and evaluation would eventually return -// `EvaluatedToErr` from the `Self: Sized` in the impl, which would in turn -// leave the bound as the only candidate. -// -// #73452 changed this so that region variables are canonicalized when we -// normalize, which means that the projection cycle is detected before -// evaluation returns EvaluatedToErr. The cycle resulted in an error being -// emitted immediately, causing this to fail to compile. -// -// To fix this, normalization doesn't directly emit errors when it finds a -// cycle, instead letting the caller handle it. This restores the original -// behavior. -trait HandleUpdate {} - -impl<T> HandleUpdate for T where T: BoxedDsl<'static, Output = ()> {} - -fn main() {} diff --git a/src/test/ui/associated-types/object-method-numbering.rs b/src/test/ui/associated-types/object-method-numbering.rs deleted file mode 100644 index bf80a80f4..000000000 --- a/src/test/ui/associated-types/object-method-numbering.rs +++ /dev/null @@ -1,28 +0,0 @@ -// run-pass -// Test for using an object with an associated type binding as the -// instantiation for a generic type with a bound. - - -trait SomeTrait { - type SomeType; - - fn get(&self) -> Self::SomeType; -} - -fn get_int<T:SomeTrait<SomeType=i32>+?Sized>(x: &T) -> i32 { - x.get() -} - -impl SomeTrait for i32 { - type SomeType = i32; - fn get(&self) -> i32 { - *self - } -} - -fn main() { - let x = 22; - let x1: &dyn SomeTrait<SomeType=i32> = &x; - let y = get_int(x1); - assert_eq!(x, y); -} diff --git a/src/test/ui/associated-types/object-normalization.rs b/src/test/ui/associated-types/object-normalization.rs deleted file mode 100644 index 1f93248e1..000000000 --- a/src/test/ui/associated-types/object-normalization.rs +++ /dev/null @@ -1,26 +0,0 @@ -// ignore-tidy-linelength - -// Check that we normalize super predicates for object candidates. - -// check-pass - -use std::ops::Index; - -fn next<'a, T>(s: &'a mut dyn SVec<Item = T, Output = T>) { - // To prove - // `dyn SVec<Item = T, Output = T>: SVec` - // we need to show - // `dyn SVec<Item = T, Output = T> as Index>::Output == <dyn SVec<Item = T, Output = T> as SVec>::Item` - // which, with the current normalization strategy, has to be eagerly - // normalized to: - // `dyn SVec<Item = T, Output = T> as Index>::Output == T`. - let _ = s.len(); -} - -trait SVec: Index<usize, Output = <Self as SVec>::Item> { - type Item; - - fn len(&self) -> usize; -} - -fn main() {} diff --git a/src/test/ui/associated-types/param-env-normalize-cycle.rs b/src/test/ui/associated-types/param-env-normalize-cycle.rs deleted file mode 100644 index 12db595ed..000000000 --- a/src/test/ui/associated-types/param-env-normalize-cycle.rs +++ /dev/null @@ -1,39 +0,0 @@ -// Minimized case from typenum that didn't compile because: -// - We tried to normalize the ParamEnv of the second impl -// - This requires trying to normalize `GrEq<Self, Square<Square<U>>>` -// - This requires proving `Square<Square<U>>: Sized` so that the first impl -// applies -// - This requires Providing `Square<Square<U>>` is well-formed, so that we -// can use the `Sized` bound on `Mul::Output` -// - This requires proving `Square<U>: Mul` -// - But first we tried normalizing the whole obligation, including the -// ParamEnv, which leads to a cycle error. - -// check-pass - -trait PrivateSquareRoot {} - -pub trait Mul<Rhs = Self> { - type Output; -} - -pub trait IsGreaterOrEqual<Rhs> { - type Output; -} - -pub type Square<A> = <A as Mul>::Output; -pub type GrEq<A, B> = <A as IsGreaterOrEqual<B>>::Output; - -impl<A, B> IsGreaterOrEqual<B> for A { - type Output = (); -} - -impl<U> PrivateSquareRoot for U -where - U: Mul, - Square<U>: Mul, - GrEq<Self, Square<Square<U>>>: Sized, -{ -} - -fn main() {} diff --git a/src/test/ui/associated-types/point-at-type-on-obligation-failure-2.rs b/src/test/ui/associated-types/point-at-type-on-obligation-failure-2.rs deleted file mode 100644 index 4b3d6e9d6..000000000 --- a/src/test/ui/associated-types/point-at-type-on-obligation-failure-2.rs +++ /dev/null @@ -1,33 +0,0 @@ -trait Bar {} - -trait Foo { - type Assoc: Bar; -} - -impl Foo for () { - type Assoc = bool; //~ ERROR the trait bound `bool: Bar` is not satisfied -} - -trait Baz -where - Self::Assoc: Bar, -{ - type Assoc; -} - -impl Baz for () { - type Assoc = bool; //~ ERROR the trait bound `bool: Bar` is not satisfied -} - -trait Bat -where - <Self as Bat>::Assoc: Bar, -{ - type Assoc; -} - -impl Bat for () { - type Assoc = bool; //~ ERROR the trait bound `bool: Bar` is not satisfied -} - -fn main() {} diff --git a/src/test/ui/associated-types/point-at-type-on-obligation-failure-2.stderr b/src/test/ui/associated-types/point-at-type-on-obligation-failure-2.stderr deleted file mode 100644 index 2e7a1dd2a..000000000 --- a/src/test/ui/associated-types/point-at-type-on-obligation-failure-2.stderr +++ /dev/null @@ -1,45 +0,0 @@ -error[E0277]: the trait bound `bool: Bar` is not satisfied - --> $DIR/point-at-type-on-obligation-failure-2.rs:8:18 - | -LL | type Assoc = bool; - | ^^^^ the trait `Bar` is not implemented for `bool` - | -note: required by a bound in `Foo::Assoc` - --> $DIR/point-at-type-on-obligation-failure-2.rs:4:17 - | -LL | type Assoc: Bar; - | ^^^ required by this bound in `Foo::Assoc` - -error[E0277]: the trait bound `bool: Bar` is not satisfied - --> $DIR/point-at-type-on-obligation-failure-2.rs:19:18 - | -LL | type Assoc = bool; - | ^^^^ the trait `Bar` is not implemented for `bool` - | -note: required by a bound in `Baz::Assoc` - --> $DIR/point-at-type-on-obligation-failure-2.rs:13:18 - | -LL | Self::Assoc: Bar, - | ^^^ required by this bound in `Baz::Assoc` -LL | { -LL | type Assoc; - | ----- required by a bound in this - -error[E0277]: the trait bound `bool: Bar` is not satisfied - --> $DIR/point-at-type-on-obligation-failure-2.rs:30:18 - | -LL | type Assoc = bool; - | ^^^^ the trait `Bar` is not implemented for `bool` - | -note: required by a bound in `Bat::Assoc` - --> $DIR/point-at-type-on-obligation-failure-2.rs:24:27 - | -LL | <Self as Bat>::Assoc: Bar, - | ^^^ required by this bound in `Bat::Assoc` -LL | { -LL | type Assoc; - | ----- required by a bound in this - -error: aborting due to 3 previous errors - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/point-at-type-on-obligation-failure.rs b/src/test/ui/associated-types/point-at-type-on-obligation-failure.rs deleted file mode 100644 index 666660068..000000000 --- a/src/test/ui/associated-types/point-at-type-on-obligation-failure.rs +++ /dev/null @@ -1,21 +0,0 @@ -trait Bar { - type Ok; - type Sibling: Bar2<Ok=Self::Ok>; -} -trait Bar2 { - type Ok; -} - -struct Foo; -struct Foo2; - -impl Bar for Foo { - type Ok = (); - type Sibling = Foo2; - //~^ ERROR type mismatch resolving `<Foo2 as Bar2>::Ok == ()` -} -impl Bar2 for Foo2 { - type Ok = u32; -} - -fn main() {} diff --git a/src/test/ui/associated-types/point-at-type-on-obligation-failure.stderr b/src/test/ui/associated-types/point-at-type-on-obligation-failure.stderr deleted file mode 100644 index 9afbe82c3..000000000 --- a/src/test/ui/associated-types/point-at-type-on-obligation-failure.stderr +++ /dev/null @@ -1,20 +0,0 @@ -error[E0271]: type mismatch resolving `<Foo2 as Bar2>::Ok == ()` - --> $DIR/point-at-type-on-obligation-failure.rs:14:20 - | -LL | type Sibling = Foo2; - | ^^^^ type mismatch resolving `<Foo2 as Bar2>::Ok == ()` - | -note: expected this to be `()` - --> $DIR/point-at-type-on-obligation-failure.rs:18:15 - | -LL | type Ok = u32; - | ^^^ -note: required by a bound in `Bar::Sibling` - --> $DIR/point-at-type-on-obligation-failure.rs:3:24 - | -LL | type Sibling: Bar2<Ok=Self::Ok>; - | ^^^^^^^^^^^ required by this bound in `Bar::Sibling` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0271`. diff --git a/src/test/ui/associated-types/project-defer-unification.rs b/src/test/ui/associated-types/project-defer-unification.rs deleted file mode 100644 index 547ff45c2..000000000 --- a/src/test/ui/associated-types/project-defer-unification.rs +++ /dev/null @@ -1,104 +0,0 @@ -// run-pass - -#![allow(dead_code)] -#![allow(unused_variables)] -#![allow(unreachable_code)] -// A regression test extracted from image-0.3.11. The point of -// failure was in `index_colors` below. - -use std::ops::{Deref, DerefMut}; - -#[derive(Copy, Clone)] -pub struct Luma<T: Primitive> { pub data: [T; 1] } - -impl<T: Primitive + 'static> Pixel for Luma<T> { - type Subpixel = T; -} - -pub struct ImageBuffer<P: Pixel, Container> { - pixels: P, - c: Container, -} - -pub trait GenericImage: Sized { - type Pixel: Pixel; -} - -pub trait Pixel: Copy + Clone { - type Subpixel: Primitive; -} - -pub trait Primitive: Copy + PartialOrd<Self> + Clone { -} - -impl<P, Container> GenericImage for ImageBuffer<P, Container> -where P: Pixel + 'static, - Container: Deref<Target=[P::Subpixel]> + DerefMut, - P::Subpixel: 'static { - - type Pixel = P; -} - -impl Primitive for u8 { } - -impl<P, Container> ImageBuffer<P, Container> -where P: Pixel + 'static, - P::Subpixel: 'static, - Container: Deref<Target=[P::Subpixel]> -{ - pub fn pixels<'a>(&'a self) -> Pixels<'a, Self> { - loop { } - } - - pub fn pixels_mut(&mut self) -> PixelsMut<P> { - loop { } - } -} - -pub struct Pixels<'a, I: 'a> { - image: &'a I, - x: u32, - y: u32, - width: u32, - height: u32 -} - -impl<'a, I: GenericImage> Iterator for Pixels<'a, I> { - type Item = (u32, u32, I::Pixel); - - fn next(&mut self) -> Option<(u32, u32, I::Pixel)> { - loop { } - } -} - -pub struct PixelsMut<'a, P: Pixel + 'a> where P::Subpixel: 'a { - chunks: &'a mut P::Subpixel -} - -impl<'a, P: Pixel + 'a> Iterator for PixelsMut<'a, P> where P::Subpixel: 'a { - type Item = &'a mut P; - - fn next(&mut self) -> Option<&'a mut P> { - loop { } - } -} - -pub fn index_colors<Pix>(image: &ImageBuffer<Pix, Vec<u8>>) - -> ImageBuffer<Luma<u8>, Vec<u8>> -where Pix: Pixel<Subpixel=u8> + 'static, -{ - // When NLL-enabled, `let mut` below is deemed unnecessary (due to - // the remaining code being unreachable); so ignore that lint. - #![allow(unused_mut)] - - let mut indices: ImageBuffer<_,Vec<_>> = loop { }; - for (pixel, idx) in image.pixels().zip(indices.pixels_mut()) { - // failured occurred here ^^ because we were requiring that we - // could project Pixel or Subpixel from `T_indices` (type of - // `indices`), but the type is insufficiently constrained - // until we reach the return below. - } - indices -} - -fn main() { } diff --git a/src/test/ui/associated-types/project-recursion-limit-non-fatal.rs b/src/test/ui/associated-types/project-recursion-limit-non-fatal.rs deleted file mode 100644 index 3e68b1401..000000000 --- a/src/test/ui/associated-types/project-recursion-limit-non-fatal.rs +++ /dev/null @@ -1,58 +0,0 @@ -// Regression test for #80953. Hitting the recursion limit in projection -// is non-fatal. The above code, minimised from wundergraph shows a case -// where this is relied on. - -// check-pass - -struct AlternateTable {} -struct AlternateQuery {} - -pub trait Query {} -pub trait AsQuery { - type Query; -} -impl<T: Query> AsQuery for T { - type Query = Self; -} -impl AsQuery for AlternateTable { - type Query = AlternateQuery; -} - -pub trait Table: AsQuery { - type PrimaryKey; -} -impl Table for AlternateTable { - type PrimaryKey = (); -} - -pub trait FilterDsl<Predicate> { - type Output; -} -pub type Filter<Source, Predicate> = <Source as FilterDsl<Predicate>>::Output; -impl<T, Predicate> FilterDsl<Predicate> for T -where - T: Table, - T::Query: FilterDsl<Predicate>, -{ - type Output = Filter<T::Query, Predicate>; -} -impl<Predicate> FilterDsl<Predicate> for AlternateQuery { - type Output = &'static str; -} - -pub trait HandleDelete { - type Filter; -} -impl<T> HandleDelete for T -where - T: Table, - T::Query: FilterDsl<T::PrimaryKey>, - Filter<T::Query, T::PrimaryKey>: , -{ - type Filter = Filter<T::Query, T::PrimaryKey>; -} - -fn main() { - let x: <AlternateTable as HandleDelete>::Filter = "Hello, world"; - println!("{}", x); -} diff --git a/src/test/ui/associated-types/substs-ppaux.normal.stderr b/src/test/ui/associated-types/substs-ppaux.normal.stderr deleted file mode 100644 index 3f180cf4f..000000000 --- a/src/test/ui/associated-types/substs-ppaux.normal.stderr +++ /dev/null @@ -1,89 +0,0 @@ -error[E0308]: mismatched types - --> $DIR/substs-ppaux.rs:16:17 - | -LL | fn bar<'a, T>() where T: 'a {} - | --------------------------- fn() {<i8 as Foo<'static, 'static, u8>>::bar::<'static, char>} defined here -... -LL | let x: () = <i8 as Foo<'static, 'static, u8>>::bar::<'static, char>; - | -- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found fn item - | | - | expected due to this - | - = note: expected unit type `()` - found fn item `fn() {<i8 as Foo<'static, 'static, u8>>::bar::<'static, char>}` -help: use parentheses to call this associated function - | -LL | let x: () = <i8 as Foo<'static, 'static, u8>>::bar::<'static, char>(); - | ++ - -error[E0308]: mismatched types - --> $DIR/substs-ppaux.rs:25:17 - | -LL | fn bar<'a, T>() where T: 'a {} - | --------------------------- fn() {<i8 as Foo<'static, 'static>>::bar::<'static, char>} defined here -... -LL | let x: () = <i8 as Foo<'static, 'static, u32>>::bar::<'static, char>; - | -- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found fn item - | | - | expected due to this - | - = note: expected unit type `()` - found fn item `fn() {<i8 as Foo<'static, 'static>>::bar::<'static, char>}` -help: use parentheses to call this associated function - | -LL | let x: () = <i8 as Foo<'static, 'static, u32>>::bar::<'static, char>(); - | ++ - -error[E0308]: mismatched types - --> $DIR/substs-ppaux.rs:33:17 - | -LL | fn baz() {} - | -------- fn() {<i8 as Foo<'static, 'static, u8>>::baz} defined here -... -LL | let x: () = <i8 as Foo<'static, 'static, u8>>::baz; - | -- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found fn item - | | - | expected due to this - | - = note: expected unit type `()` - found fn item `fn() {<i8 as Foo<'static, 'static, u8>>::baz}` -help: use parentheses to call this associated function - | -LL | let x: () = <i8 as Foo<'static, 'static, u8>>::baz(); - | ++ - -error[E0308]: mismatched types - --> $DIR/substs-ppaux.rs:41:17 - | -LL | fn foo<'z>() where &'z (): Sized { - | -------------------------------- fn() {foo::<'static>} defined here -... -LL | let x: () = foo::<'static>; - | -- ^^^^^^^^^^^^^^ expected `()`, found fn item - | | - | expected due to this - | - = note: expected unit type `()` - found fn item `fn() {foo::<'static>}` -help: use parentheses to call this function - | -LL | let x: () = foo::<'static>(); - | ++ - -error[E0277]: the size for values of type `str` cannot be known at compilation time - --> $DIR/substs-ppaux.rs:49:5 - | -LL | <str as Foo<u8>>::bar; - | ^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time - | - = help: the trait `Sized` is not implemented for `str` -note: required for `str` to implement `Foo<'_, '_, u8>` - --> $DIR/substs-ppaux.rs:11:17 - | -LL | impl<'a,'b,T,S> Foo<'a, 'b, S> for T {} - | ^^^^^^^^^^^^^^ ^ - -error: aborting due to 5 previous errors - -Some errors have detailed explanations: E0277, E0308. -For more information about an error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/substs-ppaux.rs b/src/test/ui/associated-types/substs-ppaux.rs deleted file mode 100644 index 66cd94d7a..000000000 --- a/src/test/ui/associated-types/substs-ppaux.rs +++ /dev/null @@ -1,52 +0,0 @@ -// -// revisions: verbose normal -// -//[verbose] compile-flags: -Z verbose - -trait Foo<'b, 'c, S=u32> { - fn bar<'a, T>() where T: 'a {} - fn baz() {} -} - -impl<'a,'b,T,S> Foo<'a, 'b, S> for T {} - -fn main() {} - -fn foo<'z>() where &'z (): Sized { - let x: () = <i8 as Foo<'static, 'static, u8>>::bar::<'static, char>; - //[verbose]~^ ERROR mismatched types - //[verbose]~| expected unit type `()` - //[verbose]~| found fn item `fn() {<i8 as Foo<ReStatic, ReStatic, u8>>::bar::<ReStatic, char>}` - //[normal]~^^^^ ERROR mismatched types - //[normal]~| expected unit type `()` - //[normal]~| found fn item `fn() {<i8 as Foo<'static, 'static, u8>>::bar::<'static, char>}` - - - let x: () = <i8 as Foo<'static, 'static, u32>>::bar::<'static, char>; - //[verbose]~^ ERROR mismatched types - //[verbose]~| expected unit type `()` - //[verbose]~| found fn item `fn() {<i8 as Foo<ReStatic, ReStatic>>::bar::<ReStatic, char>}` - //[normal]~^^^^ ERROR mismatched types - //[normal]~| expected unit type `()` - //[normal]~| found fn item `fn() {<i8 as Foo<'static, 'static>>::bar::<'static, char>}` - - let x: () = <i8 as Foo<'static, 'static, u8>>::baz; - //[verbose]~^ ERROR mismatched types - //[verbose]~| expected unit type `()` - //[verbose]~| found fn item `fn() {<i8 as Foo<ReStatic, ReStatic, u8>>::baz}` - //[normal]~^^^^ ERROR mismatched types - //[normal]~| expected unit type `()` - //[normal]~| found fn item `fn() {<i8 as Foo<'static, 'static, u8>>::baz}` - - let x: () = foo::<'static>; - //[verbose]~^ ERROR mismatched types - //[verbose]~| expected unit type `()` - //[verbose]~| found fn item `fn() {foo::<ReStatic>}` - //[normal]~^^^^ ERROR mismatched types - //[normal]~| expected unit type `()` - //[normal]~| found fn item `fn() {foo::<'static>}` - - <str as Foo<u8>>::bar; - //[verbose]~^ ERROR the size for values of type - //[normal]~^^ ERROR the size for values of type -} diff --git a/src/test/ui/associated-types/substs-ppaux.verbose.stderr b/src/test/ui/associated-types/substs-ppaux.verbose.stderr deleted file mode 100644 index 16dd29de2..000000000 --- a/src/test/ui/associated-types/substs-ppaux.verbose.stderr +++ /dev/null @@ -1,89 +0,0 @@ -error[E0308]: mismatched types - --> $DIR/substs-ppaux.rs:16:17 - | -LL | fn bar<'a, T>() where T: 'a {} - | --------------------------- fn() {<i8 as Foo<ReStatic, ReStatic, u8>>::bar::<ReStatic, char>} defined here -... -LL | let x: () = <i8 as Foo<'static, 'static, u8>>::bar::<'static, char>; - | -- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found fn item - | | - | expected due to this - | - = note: expected unit type `()` - found fn item `fn() {<i8 as Foo<ReStatic, ReStatic, u8>>::bar::<ReStatic, char>}` -help: use parentheses to call this associated function - | -LL | let x: () = <i8 as Foo<'static, 'static, u8>>::bar::<'static, char>(); - | ++ - -error[E0308]: mismatched types - --> $DIR/substs-ppaux.rs:25:17 - | -LL | fn bar<'a, T>() where T: 'a {} - | --------------------------- fn() {<i8 as Foo<ReStatic, ReStatic>>::bar::<ReStatic, char>} defined here -... -LL | let x: () = <i8 as Foo<'static, 'static, u32>>::bar::<'static, char>; - | -- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found fn item - | | - | expected due to this - | - = note: expected unit type `()` - found fn item `fn() {<i8 as Foo<ReStatic, ReStatic>>::bar::<ReStatic, char>}` -help: use parentheses to call this associated function - | -LL | let x: () = <i8 as Foo<'static, 'static, u32>>::bar::<'static, char>(); - | ++ - -error[E0308]: mismatched types - --> $DIR/substs-ppaux.rs:33:17 - | -LL | fn baz() {} - | -------- fn() {<i8 as Foo<ReStatic, ReStatic, u8>>::baz} defined here -... -LL | let x: () = <i8 as Foo<'static, 'static, u8>>::baz; - | -- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found fn item - | | - | expected due to this - | - = note: expected unit type `()` - found fn item `fn() {<i8 as Foo<ReStatic, ReStatic, u8>>::baz}` -help: use parentheses to call this associated function - | -LL | let x: () = <i8 as Foo<'static, 'static, u8>>::baz(); - | ++ - -error[E0308]: mismatched types - --> $DIR/substs-ppaux.rs:41:17 - | -LL | fn foo<'z>() where &'z (): Sized { - | -------------------------------- fn() {foo::<ReStatic>} defined here -... -LL | let x: () = foo::<'static>; - | -- ^^^^^^^^^^^^^^ expected `()`, found fn item - | | - | expected due to this - | - = note: expected unit type `()` - found fn item `fn() {foo::<ReStatic>}` -help: use parentheses to call this function - | -LL | let x: () = foo::<'static>(); - | ++ - -error[E0277]: the size for values of type `str` cannot be known at compilation time - --> $DIR/substs-ppaux.rs:49:5 - | -LL | <str as Foo<u8>>::bar; - | ^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time - | - = help: the trait `Sized` is not implemented for `str` -note: required for `str` to implement `Foo<'_#0r, '_#1r, u8>` - --> $DIR/substs-ppaux.rs:11:17 - | -LL | impl<'a,'b,T,S> Foo<'a, 'b, S> for T {} - | ^^^^^^^^^^^^^^ ^ - -error: aborting due to 5 previous errors - -Some errors have detailed explanations: E0277, E0308. -For more information about an error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/trait-with-supertraits-needing-sized-self.rs b/src/test/ui/associated-types/trait-with-supertraits-needing-sized-self.rs deleted file mode 100644 index 0474bf0a3..000000000 --- a/src/test/ui/associated-types/trait-with-supertraits-needing-sized-self.rs +++ /dev/null @@ -1,11 +0,0 @@ -use std::ops::{Add, Sub, Mul, Div}; - -trait ArithmeticOps: Add<Output=Self> + Sub<Output=Self> + Mul<Output=Self> + Div<Output=Self> {} -//~^ ERROR the size for values of type `Self` cannot be known at compilation time - -impl<T> ArithmeticOps for T where T: Add<Output=T> + Sub<Output=T> + Mul<Output=T> + Div<Output=T> { - // Nothing to implement, since T already supports the other traits. - // It has the functions it needs already -} - -fn main() {} diff --git a/src/test/ui/associated-types/trait-with-supertraits-needing-sized-self.stderr b/src/test/ui/associated-types/trait-with-supertraits-needing-sized-self.stderr deleted file mode 100644 index 0edc9a556..000000000 --- a/src/test/ui/associated-types/trait-with-supertraits-needing-sized-self.stderr +++ /dev/null @@ -1,19 +0,0 @@ -error[E0277]: the size for values of type `Self` cannot be known at compilation time - --> $DIR/trait-with-supertraits-needing-sized-self.rs:3:22 - | -LL | trait ArithmeticOps: Add<Output=Self> + Sub<Output=Self> + Mul<Output=Self> + Div<Output=Self> {} - | ^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time - | -note: required by a bound in `Add` - --> $SRC_DIR/core/src/ops/arith.rs:LL:COL - | -LL | pub trait Add<Rhs = Self> { - | ^^^^^^^^^^ required by this bound in `Add` -help: consider further restricting `Self` - | -LL | trait ArithmeticOps: Add<Output=Self> + Sub<Output=Self> + Mul<Output=Self> + Div<Output=Self> + Sized {} - | +++++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/associated-types/wf-cycle-2.rs b/src/test/ui/associated-types/wf-cycle-2.rs deleted file mode 100644 index d7467ac22..000000000 --- a/src/test/ui/associated-types/wf-cycle-2.rs +++ /dev/null @@ -1,18 +0,0 @@ -// check-pass - -trait IntoIt { - type Item; -} - -impl<I> IntoIt for I { - type Item = (); -} - -trait BaseGraph -where - <Self::VertexIter as IntoIt>::Item: Sized, -{ - type VertexIter: IntoIt; -} - -fn main() {} diff --git a/src/test/ui/associated-types/wf-cycle.rs b/src/test/ui/associated-types/wf-cycle.rs deleted file mode 100644 index cf6508551..000000000 --- a/src/test/ui/associated-types/wf-cycle.rs +++ /dev/null @@ -1,13 +0,0 @@ -// check-pass - -trait A { - type U: Copy; -} - -trait B where - <Self::V as A>::U: Copy, -{ - type V: A; -} - -fn main() {} |