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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
commit | a4b7ed7a42c716ab9f05e351f003d589124fd55d (patch) | |
tree | b620cd3f223850b28716e474e80c58059dca5dd4 /src/test/ui/type-alias-impl-trait | |
parent | Adding upstream version 1.67.1+dfsg1. (diff) | |
download | rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.tar.xz rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.zip |
Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/type-alias-impl-trait')
304 files changed, 0 insertions, 6504 deletions
diff --git a/src/test/ui/type-alias-impl-trait/argument-types.rs b/src/test/ui/type-alias-impl-trait/argument-types.rs deleted file mode 100644 index 185207b98..000000000 --- a/src/test/ui/type-alias-impl-trait/argument-types.rs +++ /dev/null @@ -1,26 +0,0 @@ -#![feature(type_alias_impl_trait)] -#![allow(dead_code)] -// check-pass -use std::fmt::Debug; - -type Foo = impl Debug; - -fn foo1(mut x: Foo) { - x = 22_u32; -} - -fn foo2(mut x: Foo) { - // no constraint on x -} - -fn foo3(x: Foo) { - println!("{:?}", x); -} - -fn foo_value() -> Foo { - 11_u32 -} - -fn main() { - foo3(foo_value()); -} diff --git a/src/test/ui/type-alias-impl-trait/assoc-projection-ice.rs b/src/test/ui/type-alias-impl-trait/assoc-projection-ice.rs deleted file mode 100644 index 703e3e869..000000000 --- a/src/test/ui/type-alias-impl-trait/assoc-projection-ice.rs +++ /dev/null @@ -1,24 +0,0 @@ -#![feature(type_alias_impl_trait)] - -// build-pass - -trait T { type Item; } - -type Alias<'a> = impl T<Item = &'a ()>; - -struct S; -impl<'a> T for &'a S { - type Item = &'a (); -} - -fn filter_positive<'a>() -> Alias<'a> { - &S -} - -fn with_positive(fun: impl Fn(Alias<'_>)) { - fun(filter_positive()); -} - -fn main() { - with_positive(|_| ()); -} diff --git a/src/test/ui/type-alias-impl-trait/assoc-type-const.rs b/src/test/ui/type-alias-impl-trait/assoc-type-const.rs deleted file mode 100644 index 0ade36daf..000000000 --- a/src/test/ui/type-alias-impl-trait/assoc-type-const.rs +++ /dev/null @@ -1,32 +0,0 @@ -// Tests that we properly detect defining usages when using -// const generics in an associated opaque type -// check-pass - -#![feature(type_alias_impl_trait)] - -trait UnwrapItemsExt<'a, const C: usize> { - type Iter; - fn unwrap_items(self) -> Self::Iter; -} - -struct MyStruct<const C: usize> {} - -trait MyTrait<'a, const C: usize> { - type MyItem; - const MY_CONST: usize; -} - -impl<'a, const C: usize> MyTrait<'a, C> for MyStruct<C> { - type MyItem = u8; - const MY_CONST: usize = C; -} - -impl<'a, I, const C: usize> UnwrapItemsExt<'a, C> for I { - type Iter = impl MyTrait<'a, C>; - - fn unwrap_items(self) -> Self::Iter { - MyStruct::<C> {} - } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/assoc-type-lifetime-unconstrained.rs b/src/test/ui/type-alias-impl-trait/assoc-type-lifetime-unconstrained.rs deleted file mode 100644 index 3f34b00ec..000000000 --- a/src/test/ui/type-alias-impl-trait/assoc-type-lifetime-unconstrained.rs +++ /dev/null @@ -1,26 +0,0 @@ -// Tests that we don't allow unconstrained lifetime parameters in impls when -// the lifetime is used in an associated opaque type. - -#![feature(type_alias_impl_trait)] - -trait UnwrapItemsExt { - type Iter; - fn unwrap_items(self) -> Self::Iter; -} - -struct MyStruct {} - -trait MyTrait<'a> {} - -impl<'a> MyTrait<'a> for MyStruct {} - -impl<'a, I> UnwrapItemsExt for I { - //~^ ERROR the lifetime parameter `'a` is not constrained - type Iter = impl MyTrait<'a>; - - fn unwrap_items(self) -> Self::Iter { - MyStruct {} - } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/assoc-type-lifetime-unconstrained.stderr b/src/test/ui/type-alias-impl-trait/assoc-type-lifetime-unconstrained.stderr deleted file mode 100644 index e594dc577..000000000 --- a/src/test/ui/type-alias-impl-trait/assoc-type-lifetime-unconstrained.stderr +++ /dev/null @@ -1,9 +0,0 @@ -error[E0207]: the lifetime parameter `'a` is not constrained by the impl trait, self type, or predicates - --> $DIR/assoc-type-lifetime-unconstrained.rs:17:6 - | -LL | impl<'a, I> UnwrapItemsExt for I { - | ^^ unconstrained lifetime parameter - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0207`. diff --git a/src/test/ui/type-alias-impl-trait/assoc-type-lifetime.rs b/src/test/ui/type-alias-impl-trait/assoc-type-lifetime.rs deleted file mode 100644 index 39f785d8c..000000000 --- a/src/test/ui/type-alias-impl-trait/assoc-type-lifetime.rs +++ /dev/null @@ -1,26 +0,0 @@ -// Tests that we still detect defining usages when -// lifetimes are used in an associated opaque type -// check-pass - -#![feature(type_alias_impl_trait)] - -trait UnwrapItemsExt<'a> { - type Iter; - fn unwrap_items(self) -> Self::Iter; -} - -struct MyStruct {} - -trait MyTrait<'a> {} - -impl<'a> MyTrait<'a> for MyStruct {} - -impl<'a, I> UnwrapItemsExt<'a> for I { - type Iter = impl MyTrait<'a>; - - fn unwrap_items(self) -> Self::Iter { - MyStruct {} - } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/associated-type-alias-impl-trait.rs b/src/test/ui/type-alias-impl-trait/associated-type-alias-impl-trait.rs deleted file mode 100644 index 42f07d49f..000000000 --- a/src/test/ui/type-alias-impl-trait/associated-type-alias-impl-trait.rs +++ /dev/null @@ -1,26 +0,0 @@ -#![feature(type_alias_impl_trait)] -// build-pass (FIXME(62277): could be check-pass?) - -trait Bar {} -struct Dummy; -impl Bar for Dummy {} - -trait Foo { - type Assoc: Bar; - fn foo() -> Self::Assoc; - fn bar() -> Self::Assoc; -} - -type Helper = impl Bar; - -impl Foo for i32 { - type Assoc = Helper; - fn foo() -> Helper { - Dummy - } - fn bar() -> Helper { - Dummy - } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/auto-trait-leakage.rs b/src/test/ui/type-alias-impl-trait/auto-trait-leakage.rs deleted file mode 100644 index a1584581e..000000000 --- a/src/test/ui/type-alias-impl-trait/auto-trait-leakage.rs +++ /dev/null @@ -1,18 +0,0 @@ -// check-pass - -#![feature(type_alias_impl_trait)] -#![allow(dead_code)] - -mod m { - type Foo = impl std::fmt::Debug; - - pub fn foo() -> Foo { - 22_u32 - } -} - -fn is_send<T: Send>(_: T) {} - -fn main() { - is_send(m::foo()); -} diff --git a/src/test/ui/type-alias-impl-trait/auto-trait-leakage2.rs b/src/test/ui/type-alias-impl-trait/auto-trait-leakage2.rs deleted file mode 100644 index fc89b0e87..000000000 --- a/src/test/ui/type-alias-impl-trait/auto-trait-leakage2.rs +++ /dev/null @@ -1,25 +0,0 @@ -#![feature(type_alias_impl_trait)] -#![allow(dead_code)] - -mod m { - use std::rc::Rc; - - type Foo = impl std::fmt::Debug; //~ NOTE appears within the type - //~^ within this `Foo` - //~| expansion of desugaring - - pub fn foo() -> Foo { - Rc::new(22_u32) - } -} - -fn is_send<T: Send>(_: T) {} -//~^ required by this bound -//~| required by a bound - -fn main() { - is_send(m::foo()); - //~^ ERROR: `Rc<u32>` cannot be sent between threads safely [E0277] - //~| NOTE cannot be sent - //~| NOTE required by a bound -} diff --git a/src/test/ui/type-alias-impl-trait/auto-trait-leakage2.stderr b/src/test/ui/type-alias-impl-trait/auto-trait-leakage2.stderr deleted file mode 100644 index d7247302d..000000000 --- a/src/test/ui/type-alias-impl-trait/auto-trait-leakage2.stderr +++ /dev/null @@ -1,26 +0,0 @@ -error[E0277]: `Rc<u32>` cannot be sent between threads safely - --> $DIR/auto-trait-leakage2.rs:21:13 - | -LL | type Foo = impl std::fmt::Debug; - | -------------------- within this `Foo` -... -LL | is_send(m::foo()); - | ------- ^^^^^^^^ `Rc<u32>` cannot be sent between threads safely - | | - | required by a bound introduced by this call - | - = help: within `Foo`, the trait `Send` is not implemented for `Rc<u32>` -note: required because it appears within the type `Foo` - --> $DIR/auto-trait-leakage2.rs:7:16 - | -LL | type Foo = impl std::fmt::Debug; - | ^^^^^^^^^^^^^^^^^^^^ -note: required by a bound in `is_send` - --> $DIR/auto-trait-leakage2.rs:16:15 - | -LL | fn is_send<T: Send>(_: T) {} - | ^^^^ required by this bound in `is_send` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/auto-trait-leakage3.rs b/src/test/ui/type-alias-impl-trait/auto-trait-leakage3.rs deleted file mode 100644 index 5fb7a9473..000000000 --- a/src/test/ui/type-alias-impl-trait/auto-trait-leakage3.rs +++ /dev/null @@ -1,21 +0,0 @@ -#![feature(type_alias_impl_trait)] -#![allow(dead_code)] - -// FIXME This should compile, but it currently doesn't - -mod m { - type Foo = impl std::fmt::Debug; - //~^ ERROR: cycle detected when computing type of `m::Foo::{opaque#0}` [E0391] - - pub fn foo() -> Foo { - 22_u32 - } - - pub fn bar() { - is_send(foo()); - } - - fn is_send<T: Send>(_: T) {} -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/auto-trait-leakage3.stderr b/src/test/ui/type-alias-impl-trait/auto-trait-leakage3.stderr deleted file mode 100644 index 1e9a45aac..000000000 --- a/src/test/ui/type-alias-impl-trait/auto-trait-leakage3.stderr +++ /dev/null @@ -1,22 +0,0 @@ -error[E0391]: cycle detected when computing type of `m::Foo::{opaque#0}` - --> $DIR/auto-trait-leakage3.rs:7:16 - | -LL | type Foo = impl std::fmt::Debug; - | ^^^^^^^^^^^^^^^^^^^^ - | -note: ...which requires type-checking `m::bar`... - --> $DIR/auto-trait-leakage3.rs:15:9 - | -LL | is_send(foo()); - | ^^^^^^^ - = note: ...which requires evaluating trait selection obligation `m::Foo: core::marker::Send`... - = note: ...which again requires computing type of `m::Foo::{opaque#0}`, completing the cycle -note: cycle used when checking item types in module `m` - --> $DIR/auto-trait-leakage3.rs:6:1 - | -LL | mod m { - | ^^^^^ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0391`. diff --git a/src/test/ui/type-alias-impl-trait/auxiliary/collect_hidden_types.rs b/src/test/ui/type-alias-impl-trait/auxiliary/collect_hidden_types.rs deleted file mode 100644 index 75d20a6fe..000000000 --- a/src/test/ui/type-alias-impl-trait/auxiliary/collect_hidden_types.rs +++ /dev/null @@ -1,21 +0,0 @@ -#![feature(type_alias_impl_trait)] - -// edition:2018 - -use std::future::Future; - -pub trait Service<Request> { - type Future: Future<Output = ()>; - fn call(&mut self, req: Request) -> Self::Future; -} - -// NOTE: the pub(crate) here is critical -pub(crate) fn new() -> () {} - -pub struct A; -impl Service<()> for A { - type Future = impl Future<Output = ()>; - fn call(&mut self, _: ()) -> Self::Future { - async { new() } - } -} diff --git a/src/test/ui/type-alias-impl-trait/auxiliary/cross_crate_ice.rs b/src/test/ui/type-alias-impl-trait/auxiliary/cross_crate_ice.rs deleted file mode 100644 index e7bca2231..000000000 --- a/src/test/ui/type-alias-impl-trait/auxiliary/cross_crate_ice.rs +++ /dev/null @@ -1,10 +0,0 @@ -// Crate that exports an opaque `impl Trait` type. Used for testing cross-crate. - -#![crate_type = "rlib"] -#![feature(type_alias_impl_trait)] - -pub type Foo = impl std::fmt::Debug; - -pub fn foo() -> Foo { - 5 -} diff --git a/src/test/ui/type-alias-impl-trait/auxiliary/cross_crate_ice2.rs b/src/test/ui/type-alias-impl-trait/auxiliary/cross_crate_ice2.rs deleted file mode 100644 index 119f7df1f..000000000 --- a/src/test/ui/type-alias-impl-trait/auxiliary/cross_crate_ice2.rs +++ /dev/null @@ -1,20 +0,0 @@ -// Crate that exports an opaque `impl Trait` type. Used for testing cross-crate. - -#![crate_type = "rlib"] -#![feature(type_alias_impl_trait)] - -pub trait View { - type Tmp: Iterator<Item = u32>; - - fn test(&self) -> Self::Tmp; -} - -pub struct X; - -impl View for X { - type Tmp = impl Iterator<Item = u32>; - - fn test(&self) -> Self::Tmp { - vec![1, 2, 3].into_iter() - } -} diff --git a/src/test/ui/type-alias-impl-trait/auxiliary/foreign-crate.rs b/src/test/ui/type-alias-impl-trait/auxiliary/foreign-crate.rs deleted file mode 100644 index 52802dd8f..000000000 --- a/src/test/ui/type-alias-impl-trait/auxiliary/foreign-crate.rs +++ /dev/null @@ -1,2 +0,0 @@ -pub trait ForeignTrait {} -pub struct ForeignType<T>(pub T); diff --git a/src/test/ui/type-alias-impl-trait/bound_reduction.rs b/src/test/ui/type-alias-impl-trait/bound_reduction.rs deleted file mode 100644 index b9b50f0b7..000000000 --- a/src/test/ui/type-alias-impl-trait/bound_reduction.rs +++ /dev/null @@ -1,19 +0,0 @@ -// build-pass (FIXME(62277): could be check-pass?) - -#![allow(warnings)] -#![feature(type_alias_impl_trait)] - -fn main() { -} - -type Foo<V> = impl std::fmt::Debug; - -trait Trait<U> {} - -fn foo_desugared<T: Trait<[u32; { - #[no_mangle] - static FOO: usize = 42; - 3 -}]>>(_: T) -> Foo<T> { - (42, std::marker::PhantomData::<T>) -} diff --git a/src/test/ui/type-alias-impl-trait/bound_reduction2.rs b/src/test/ui/type-alias-impl-trait/bound_reduction2.rs deleted file mode 100644 index 4d2890b5d..000000000 --- a/src/test/ui/type-alias-impl-trait/bound_reduction2.rs +++ /dev/null @@ -1,18 +0,0 @@ -#![feature(type_alias_impl_trait)] - -fn main() {} - -trait TraitWithAssoc { - type Assoc; -} - -type Foo<V> = impl Trait<V>; - -trait Trait<U> {} - -impl<W> Trait<W> for () {} - -fn foo_desugared<T: TraitWithAssoc>(_: T) -> Foo<T::Assoc> { - () - //~^ ERROR non-defining opaque type use -} diff --git a/src/test/ui/type-alias-impl-trait/bound_reduction2.stderr b/src/test/ui/type-alias-impl-trait/bound_reduction2.stderr deleted file mode 100644 index c405b1f6a..000000000 --- a/src/test/ui/type-alias-impl-trait/bound_reduction2.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error: non-defining opaque type use in defining scope - --> $DIR/bound_reduction2.rs:16:5 - | -LL | () - | ^^ - | -note: used non-generic type `<T as TraitWithAssoc>::Assoc` for generic parameter - --> $DIR/bound_reduction2.rs:9:10 - | -LL | type Foo<V> = impl Trait<V>; - | ^ - -error: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/bounds-are-checked-2.rs b/src/test/ui/type-alias-impl-trait/bounds-are-checked-2.rs deleted file mode 100644 index 55b4dc8dc..000000000 --- a/src/test/ui/type-alias-impl-trait/bounds-are-checked-2.rs +++ /dev/null @@ -1,19 +0,0 @@ -// Make sure that we check that impl trait types implement the traits that they -// claim to. - -#![feature(type_alias_impl_trait)] - -type X<T> = impl Clone; - -fn f<T: Clone>(t: T) -> X<T> { - t - //~^ ERROR the trait bound `T: Clone` is not satisfied -} - -fn g<T>(o: Option<X<T>>) -> Option<X<T>> { - o.clone() -} - -fn main() { - g(None::<X<&mut ()>>); -} diff --git a/src/test/ui/type-alias-impl-trait/bounds-are-checked-2.stderr b/src/test/ui/type-alias-impl-trait/bounds-are-checked-2.stderr deleted file mode 100644 index 8678e9b33..000000000 --- a/src/test/ui/type-alias-impl-trait/bounds-are-checked-2.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error[E0277]: the trait bound `T: Clone` is not satisfied - --> $DIR/bounds-are-checked-2.rs:9:5 - | -LL | t - | ^ the trait `Clone` is not implemented for `T` - | -help: consider restricting type parameter `T` - | -LL | type X<T: std::clone::Clone> = impl Clone; - | +++++++++++++++++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/bounds-are-checked.rs b/src/test/ui/type-alias-impl-trait/bounds-are-checked.rs deleted file mode 100644 index 83d22161e..000000000 --- a/src/test/ui/type-alias-impl-trait/bounds-are-checked.rs +++ /dev/null @@ -1,24 +0,0 @@ -// Make sure that we check that impl trait types implement the traits that they -// claim to. - -#![feature(type_alias_impl_trait)] - -type X<'a> = impl Into<&'static str> + From<&'a str>; - -fn f<'a: 'static>(t: &'a str) -> X<'a> { - //~^ WARNING unnecessary lifetime parameter - t - //~^ ERROR non-defining opaque type use -} - -fn extend_lt<'a>(o: &'a str) -> &'static str { - X::<'_>::from(o).into() -} - -fn main() { - let r = { - let s = "abcdef".to_string(); - extend_lt(&s) - }; - println!("{}", r); -} diff --git a/src/test/ui/type-alias-impl-trait/bounds-are-checked.stderr b/src/test/ui/type-alias-impl-trait/bounds-are-checked.stderr deleted file mode 100644 index 920eef11d..000000000 --- a/src/test/ui/type-alias-impl-trait/bounds-are-checked.stderr +++ /dev/null @@ -1,19 +0,0 @@ -warning: unnecessary lifetime parameter `'a` - --> $DIR/bounds-are-checked.rs:8:6 - | -LL | fn f<'a: 'static>(t: &'a str) -> X<'a> { - | ^^ - | - = help: you can use the `'static` lifetime directly, in place of `'a` - -error: non-defining opaque type use in defining scope - --> $DIR/bounds-are-checked.rs:10:5 - | -LL | type X<'a> = impl Into<&'static str> + From<&'a str>; - | -- cannot use static lifetime; use a bound lifetime instead or remove the lifetime parameter from the opaque type -... -LL | t - | ^ - -error: aborting due to previous error; 1 warning emitted - diff --git a/src/test/ui/type-alias-impl-trait/closure_args.rs b/src/test/ui/type-alias-impl-trait/closure_args.rs deleted file mode 100644 index c5e7af81d..000000000 --- a/src/test/ui/type-alias-impl-trait/closure_args.rs +++ /dev/null @@ -1,16 +0,0 @@ -// check-pass - -// regression test for https://github.com/rust-lang/rust/issues/100800 - -#![feature(type_alias_impl_trait)] - -trait Anything {} -impl<T> Anything for T {} -type Input = impl Anything; -fn run<F: FnOnce(Input) -> ()>(f: F, i: Input) { - f(i); -} - -fn main() { - run(|x: u32| {println!("{x}");}, 0); -} diff --git a/src/test/ui/type-alias-impl-trait/closure_args2.rs b/src/test/ui/type-alias-impl-trait/closure_args2.rs deleted file mode 100644 index 82386c280..000000000 --- a/src/test/ui/type-alias-impl-trait/closure_args2.rs +++ /dev/null @@ -1,23 +0,0 @@ -// run-pass - -#![feature(type_alias_impl_trait)] - -trait Foo { - // This was reachable in https://github.com/rust-lang/rust/issues/100800 - fn foo(&self) { unreachable!() } -} -impl<T> Foo for T {} - -struct B; -impl B { - fn foo(&self) {} -} - -type Input = impl Foo; -fn run1<F: FnOnce(Input)>(f: F, i: Input) {f(i)} -fn run2<F: FnOnce(B)>(f: F, i: B) {f(i)} - -fn main() { - run1(|x: B| {x.foo()}, B); - run2(|x: B| {x.foo()}, B); -} diff --git a/src/test/ui/type-alias-impl-trait/closure_parent_substs.rs b/src/test/ui/type-alias-impl-trait/closure_parent_substs.rs deleted file mode 100644 index 475f4724f..000000000 --- a/src/test/ui/type-alias-impl-trait/closure_parent_substs.rs +++ /dev/null @@ -1,65 +0,0 @@ -// When WF checking the hidden type in the ParamEnv of the opaque type, -// one complication arises when the hidden type is a closure/generator: -// the "parent_substs" of the type may reference lifetime parameters -// not present in the opaque type. -// These region parameters are not really useful in this check. -// So here we ignore them and replace them with fresh region variables. - -// check-pass - -#![feature(type_alias_impl_trait)] -#![allow(dead_code)] - -// Basic test -mod test1 { - // Hidden type = Closure['_#0r] - type Opaque = impl Sized; - - fn define<'a: 'a>() -> Opaque { - || {} - } -} - -// the region vars cannot both be equal to `'static` or `'empty` -mod test2 { - trait Trait {} - - // Hidden type = Closure['a, '_#0r, '_#1r] - // Constraints = [('_#0r: 'a), ('a: '_#1r)] - type Opaque<'a> - where - &'a (): Trait, - = impl Sized + 'a; - - fn define<'a, 'x, 'y>() -> Opaque<'a> - where - &'a (): Trait, - 'x: 'a, - 'a: 'y, - { - || {} - } -} - -// the region var cannot be equal to `'a` or `'b` -mod test3 { - trait Trait {} - - // Hidden type = Closure['a, 'b, '_#0r] - // Constraints = [('_#0r: 'a), ('_#0r: 'b)] - type Opaque<'a, 'b> - where - (&'a (), &'b ()): Trait, - = impl Sized + 'a + 'b; - - fn define<'a, 'b, 'x>() -> Opaque<'a, 'b> - where - (&'a (), &'b ()): Trait, - 'x: 'a, - 'x: 'b, - { - || {} - } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/closure_wf_outlives.rs b/src/test/ui/type-alias-impl-trait/closure_wf_outlives.rs deleted file mode 100644 index 53974dbb3..000000000 --- a/src/test/ui/type-alias-impl-trait/closure_wf_outlives.rs +++ /dev/null @@ -1,65 +0,0 @@ -// If the hidden type is a closure, we require the "outlives" bounds that appear on the -// defining site to also appear on the opaque type. -// -// It's not clear if this is the desired behavior but at least -// it's consistent and has no back-compat risk. - -// check-fail - -#![feature(type_alias_impl_trait)] -#![allow(dead_code)] - -// requires `'a: 'b` bound -mod test1 { - type Opaque<'a, 'b> = impl Sized + 'a + 'b; - //~^ ERROR lifetime bound not satisfied - - fn define<'a, 'b>() -> Opaque<'a, 'b> - where - 'a: 'b, - { - || {} - } -} - -// Same as the above but through indirection `'x` -mod test2 { - type Opaque<'a, 'b> = impl Sized + 'a + 'b; - //~^ ERROR cannot infer an appropriate lifetime - - fn define<'a, 'b, 'x>() -> Opaque<'a, 'b> - where - 'a: 'x, - 'x: 'b, - { - || {} - } -} - -// fixed version of the above -mod test2_fixed { - type Opaque<'a: 'b, 'b> = impl Sized + 'a + 'b; - - fn define<'a, 'b, 'x>() -> Opaque<'a, 'b> - where - 'a: 'x, - 'x: 'b, - { - || {} - } -} - -// requires `T: 'static` -mod test3 { - type Opaque<T> = impl Sized; - //~^ ERROR the parameter type `T` may not live long enough - - fn define<T>() -> Opaque<T> - where - T: 'static, - { - || {} - } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/closure_wf_outlives.stderr b/src/test/ui/type-alias-impl-trait/closure_wf_outlives.stderr deleted file mode 100644 index ae6462bb6..000000000 --- a/src/test/ui/type-alias-impl-trait/closure_wf_outlives.stderr +++ /dev/null @@ -1,64 +0,0 @@ -error[E0478]: lifetime bound not satisfied - --> $DIR/closure_wf_outlives.rs:14:27 - | -LL | type Opaque<'a, 'b> = impl Sized + 'a + 'b; - | ^^^^^^^^^^^^^^^^^^^^ - | -note: lifetime parameter instantiated with the lifetime `'a` as defined here - --> $DIR/closure_wf_outlives.rs:14:17 - | -LL | type Opaque<'a, 'b> = impl Sized + 'a + 'b; - | ^^ -note: but lifetime parameter must outlive the lifetime `'b` as defined here - --> $DIR/closure_wf_outlives.rs:14:21 - | -LL | type Opaque<'a, 'b> = impl Sized + 'a + 'b; - | ^^ - -error[E0495]: cannot infer an appropriate lifetime due to conflicting requirements - --> $DIR/closure_wf_outlives.rs:27:27 - | -LL | type Opaque<'a, 'b> = impl Sized + 'a + 'b; - | ^^^^^^^^^^^^^^^^^^^^ - | -note: first, the lifetime cannot outlive the lifetime `'a` as defined here... - --> $DIR/closure_wf_outlives.rs:27:17 - | -LL | type Opaque<'a, 'b> = impl Sized + 'a + 'b; - | ^^ -note: ...so that the declared lifetime parameter bounds are satisfied - --> $DIR/closure_wf_outlives.rs:27:27 - | -LL | type Opaque<'a, 'b> = impl Sized + 'a + 'b; - | ^^^^^^^^^^^^^^^^^^^^ -note: but, the lifetime must be valid for the lifetime `'b` as defined here... - --> $DIR/closure_wf_outlives.rs:27:21 - | -LL | type Opaque<'a, 'b> = impl Sized + 'a + 'b; - | ^^ -note: ...so that the declared lifetime parameter bounds are satisfied - --> $DIR/closure_wf_outlives.rs:27:27 - | -LL | type Opaque<'a, 'b> = impl Sized + 'a + 'b; - | ^^^^^^^^^^^^^^^^^^^^ - -error[E0310]: the parameter type `T` may not live long enough - --> $DIR/closure_wf_outlives.rs:54:22 - | -LL | type Opaque<T> = impl Sized; - | ^^^^^^^^^^ ...so that the type `T` will meet its required lifetime bounds... - | -note: ...that is required by this bound - --> $DIR/closure_wf_outlives.rs:59:12 - | -LL | T: 'static, - | ^^^^^^^ -help: consider adding an explicit lifetime bound... - | -LL | type Opaque<T: 'static> = impl Sized; - | +++++++++ - -error: aborting due to 3 previous errors - -Some errors have detailed explanations: E0310, E0478, E0495. -For more information about an error, try `rustc --explain E0310`. diff --git a/src/test/ui/type-alias-impl-trait/closures_in_branches.rs b/src/test/ui/type-alias-impl-trait/closures_in_branches.rs deleted file mode 100644 index 7bb490bbe..000000000 --- a/src/test/ui/type-alias-impl-trait/closures_in_branches.rs +++ /dev/null @@ -1,31 +0,0 @@ -#![feature(type_alias_impl_trait)] - -type Foo = impl std::ops::FnOnce(String) -> usize; - -fn foo(b: bool) -> Foo { - if b { - |x| x.len() //~ ERROR type annotations needed - } else { - panic!() - } -} - - -type Foo1 = impl std::ops::FnOnce(String) -> usize; -fn foo1(b: bool) -> Foo1 { - |x| x.len() -} - -fn bar(b: bool) -> impl std::ops::FnOnce(String) -> usize { - if b { - |x| x.len() //~ ERROR type annotations needed - } else { - panic!() - } -} - -fn bar1(b: bool) -> impl std::ops::FnOnce(String) -> usize { - |x| x.len() -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/closures_in_branches.stderr b/src/test/ui/type-alias-impl-trait/closures_in_branches.stderr deleted file mode 100644 index 48b7946ea..000000000 --- a/src/test/ui/type-alias-impl-trait/closures_in_branches.stderr +++ /dev/null @@ -1,25 +0,0 @@ -error[E0282]: type annotations needed - --> $DIR/closures_in_branches.rs:7:10 - | -LL | |x| x.len() - | ^ - type must be known at this point - | -help: consider giving this closure parameter an explicit type - | -LL | |x: _| x.len() - | +++ - -error[E0282]: type annotations needed - --> $DIR/closures_in_branches.rs:21:10 - | -LL | |x| x.len() - | ^ - type must be known at this point - | -help: consider giving this closure parameter an explicit type - | -LL | |x: _| x.len() - | +++ - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0282`. diff --git a/src/test/ui/type-alias-impl-trait/coherence.rs b/src/test/ui/type-alias-impl-trait/coherence.rs deleted file mode 100644 index 077a31494..000000000 --- a/src/test/ui/type-alias-impl-trait/coherence.rs +++ /dev/null @@ -1,17 +0,0 @@ -// aux-build:foreign-crate.rs -#![feature(type_alias_impl_trait)] - -extern crate foreign_crate; - -trait LocalTrait {} -impl<T> LocalTrait for foreign_crate::ForeignType<T> {} - -type AliasOfForeignType<T> = impl LocalTrait; -fn use_alias<T>(val: T) -> AliasOfForeignType<T> { - foreign_crate::ForeignType(val) -} - -impl<T> foreign_crate::ForeignTrait for AliasOfForeignType<T> {} -//~^ ERROR only traits defined in the current crate can be implemented for arbitrary types - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/coherence.stderr b/src/test/ui/type-alias-impl-trait/coherence.stderr deleted file mode 100644 index c923eb08a..000000000 --- a/src/test/ui/type-alias-impl-trait/coherence.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error[E0117]: only traits defined in the current crate can be implemented for arbitrary types - --> $DIR/coherence.rs:14:1 - | -LL | impl<T> foreign_crate::ForeignTrait for AliasOfForeignType<T> {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--------------------- - | | | - | | `AliasOfForeignType<T>` is not defined in the current crate - | impl doesn't use only types from inside the current crate - | - = note: define and implement a trait or new type instead - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0117`. diff --git a/src/test/ui/type-alias-impl-trait/coherence_generalization.rs b/src/test/ui/type-alias-impl-trait/coherence_generalization.rs deleted file mode 100644 index 5c9ad9498..000000000 --- a/src/test/ui/type-alias-impl-trait/coherence_generalization.rs +++ /dev/null @@ -1,13 +0,0 @@ -// check-pass - -#![feature(type_alias_impl_trait)] -trait Trait {} -type Opaque<T> = impl Sized; -fn foo<T>() -> Opaque<T> { - () -} - -impl<T, V> Trait for (T, V, V, u32) {} -impl<U, V> Trait for (Opaque<U>, V, i32, V) {} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/collect_hidden_types.rs b/src/test/ui/type-alias-impl-trait/collect_hidden_types.rs deleted file mode 100644 index e78f178e4..000000000 --- a/src/test/ui/type-alias-impl-trait/collect_hidden_types.rs +++ /dev/null @@ -1,22 +0,0 @@ -// aux-build:collect_hidden_types.rs -use collect_hidden_types::Service; -use std::future::Future; -use std::pin::Pin; -use std::task::Context; - -// build-pass - -// edition:2018 - -extern crate collect_hidden_types; - -fn broken(mut a: collect_hidden_types::A, cx: &mut Context<'_>) { - let mut fut = a.call(()); - let _ = unsafe { Pin::new_unchecked(&mut fut) }.poll(cx); -} - -pub async fn meeb(cx: &mut Context<'_>) { - broken(collect_hidden_types::A, cx); -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/constrain_inputs.rs b/src/test/ui/type-alias-impl-trait/constrain_inputs.rs deleted file mode 100644 index 03fb64b7b..000000000 --- a/src/test/ui/type-alias-impl-trait/constrain_inputs.rs +++ /dev/null @@ -1,33 +0,0 @@ -#![feature(type_alias_impl_trait)] - -mod lifetime_params { - type Ty<'a> = impl Sized; - fn defining(s: &str) -> Ty<'_> { s } - fn execute(ty: Ty<'_>) -> &str { todo!() } - //~^ ERROR return type references an anonymous lifetime, which is not constrained by the fn input types - - type BadFnSig = fn(Ty<'_>) -> &str; - //~^ ERROR return type references an anonymous lifetime, which is not constrained by the fn input types - type BadTraitRef = dyn Fn(Ty<'_>) -> &str; - //~^ ERROR binding for associated type `Output` references an anonymous lifetime -} - -mod lifetime_params_2 { - type Ty<'a> = impl FnOnce() -> &'a str; - fn defining(s: &str) -> Ty<'_> { move || s } - fn execute(ty: Ty<'_>) -> &str { ty() } - //~^ ERROR return type references an anonymous lifetime, which is not constrained by the fn input types -} - -// regression test for https://github.com/rust-lang/rust/issues/97104 -mod type_params { - type Ty<T> = impl Sized; - fn define<T>(s: T) -> Ty<T> { s } - - type BadFnSig = fn(Ty<&str>) -> &str; - //~^ ERROR return type references an anonymous lifetime, which is not constrained by the fn input types - type BadTraitRef = dyn Fn(Ty<&str>) -> &str; - //~^ ERROR binding for associated type `Output` references an anonymous lifetime -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/constrain_inputs.stderr b/src/test/ui/type-alias-impl-trait/constrain_inputs.stderr deleted file mode 100644 index 93953fd06..000000000 --- a/src/test/ui/type-alias-impl-trait/constrain_inputs.stderr +++ /dev/null @@ -1,58 +0,0 @@ -error[E0581]: return type references an anonymous lifetime, which is not constrained by the fn input types - --> $DIR/constrain_inputs.rs:6:31 - | -LL | fn execute(ty: Ty<'_>) -> &str { todo!() } - | ^^^^ - | - = note: lifetimes appearing in an associated or opaque type are not considered constrained - = note: consider introducing a named lifetime parameter - -error[E0581]: return type references an anonymous lifetime, which is not constrained by the fn input types - --> $DIR/constrain_inputs.rs:9:35 - | -LL | type BadFnSig = fn(Ty<'_>) -> &str; - | ^^^^ - | - = note: lifetimes appearing in an associated or opaque type are not considered constrained - = note: consider introducing a named lifetime parameter - -error[E0582]: binding for associated type `Output` references an anonymous lifetime, which does not appear in the trait input types - --> $DIR/constrain_inputs.rs:11:42 - | -LL | type BadTraitRef = dyn Fn(Ty<'_>) -> &str; - | ^^^^ - | - = note: lifetimes appearing in an associated or opaque type are not considered constrained - = note: consider introducing a named lifetime parameter - -error[E0581]: return type references an anonymous lifetime, which is not constrained by the fn input types - --> $DIR/constrain_inputs.rs:18:31 - | -LL | fn execute(ty: Ty<'_>) -> &str { ty() } - | ^^^^ - | - = note: lifetimes appearing in an associated or opaque type are not considered constrained - = note: consider introducing a named lifetime parameter - -error[E0581]: return type references an anonymous lifetime, which is not constrained by the fn input types - --> $DIR/constrain_inputs.rs:27:37 - | -LL | type BadFnSig = fn(Ty<&str>) -> &str; - | ^^^^ - | - = note: lifetimes appearing in an associated or opaque type are not considered constrained - = note: consider introducing a named lifetime parameter - -error[E0582]: binding for associated type `Output` references an anonymous lifetime, which does not appear in the trait input types - --> $DIR/constrain_inputs.rs:29:44 - | -LL | type BadTraitRef = dyn Fn(Ty<&str>) -> &str; - | ^^^^ - | - = note: lifetimes appearing in an associated or opaque type are not considered constrained - = note: consider introducing a named lifetime parameter - -error: aborting due to 6 previous errors - -Some errors have detailed explanations: E0581, E0582. -For more information about an error, try `rustc --explain E0581`. diff --git a/src/test/ui/type-alias-impl-trait/constrain_inputs_unsound.rs b/src/test/ui/type-alias-impl-trait/constrain_inputs_unsound.rs deleted file mode 100644 index 3bae0f173..000000000 --- a/src/test/ui/type-alias-impl-trait/constrain_inputs_unsound.rs +++ /dev/null @@ -1,31 +0,0 @@ -#![feature(type_alias_impl_trait)] - -trait Static: 'static {} -impl Static for () {} - -type Gal<T> = impl Static; -fn _defining<T>() -> Gal<T> {} - -trait Callable<Arg> { type Output; } - -/// We can infer `<C as Callable<Arg>>::Output: 'static`, -/// because we know `C: 'static` and `Arg: 'static`, -fn box_str<C, Arg>(s: C::Output) -> Box<dyn AsRef<str> + 'static> -where - Arg: Static, - C: ?Sized + Callable<Arg> + 'static, - C::Output: AsRef<str>, -{ - Box::new(s) -} - -fn extend_lifetime(s: &str) -> Box<dyn AsRef<str> + 'static> { - type MalformedTy = dyn for<'a> Callable<Gal<&'a ()>, Output = &'a str>; - //~^ ERROR binding for associated type `Output` references lifetime `'a` - box_str::<MalformedTy, _>(s) -} - -fn main() { - let extended = extend_lifetime(&String::from("hello")); - println!("{}", extended.as_ref().as_ref()); -} diff --git a/src/test/ui/type-alias-impl-trait/constrain_inputs_unsound.stderr b/src/test/ui/type-alias-impl-trait/constrain_inputs_unsound.stderr deleted file mode 100644 index d5fc46cb1..000000000 --- a/src/test/ui/type-alias-impl-trait/constrain_inputs_unsound.stderr +++ /dev/null @@ -1,9 +0,0 @@ -error[E0582]: binding for associated type `Output` references lifetime `'a`, which does not appear in the trait input types - --> $DIR/constrain_inputs_unsound.rs:23:58 - | -LL | type MalformedTy = dyn for<'a> Callable<Gal<&'a ()>, Output = &'a str>; - | ^^^^^^^^^^^^^^^^ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0582`. diff --git a/src/test/ui/type-alias-impl-trait/cross_crate_ice.rs b/src/test/ui/type-alias-impl-trait/cross_crate_ice.rs deleted file mode 100644 index c30608176..000000000 --- a/src/test/ui/type-alias-impl-trait/cross_crate_ice.rs +++ /dev/null @@ -1,16 +0,0 @@ -// aux-build:cross_crate_ice.rs -// build-pass (FIXME(62277): could be check-pass?) - -extern crate cross_crate_ice; - -struct Bar(cross_crate_ice::Foo); - -impl Bar { - fn zero(&self) -> &cross_crate_ice::Foo { - &self.0 - } -} - -fn main() { - let _ = cross_crate_ice::foo(); -} diff --git a/src/test/ui/type-alias-impl-trait/cross_crate_ice2.rs b/src/test/ui/type-alias-impl-trait/cross_crate_ice2.rs deleted file mode 100644 index 3a7e49026..000000000 --- a/src/test/ui/type-alias-impl-trait/cross_crate_ice2.rs +++ /dev/null @@ -1,11 +0,0 @@ -// aux-build:cross_crate_ice2.rs -// build-pass (FIXME(62277): could be check-pass?) - -extern crate cross_crate_ice2; - -use cross_crate_ice2::View; - -fn main() { - let v = cross_crate_ice2::X; - v.test(); -} diff --git a/src/test/ui/type-alias-impl-trait/cross_inference.rs b/src/test/ui/type-alias-impl-trait/cross_inference.rs deleted file mode 100644 index dafaf40a6..000000000 --- a/src/test/ui/type-alias-impl-trait/cross_inference.rs +++ /dev/null @@ -1,10 +0,0 @@ -// check-pass - -#![feature(type_alias_impl_trait)] - -fn main() { - type T = impl Copy; - let foo: T = (1u32, 2u32); - let x: (_, _) = foo; - println!("{:?}", x); -} diff --git a/src/test/ui/type-alias-impl-trait/cross_inference_pattern_bug.rs b/src/test/ui/type-alias-impl-trait/cross_inference_pattern_bug.rs deleted file mode 100644 index 9a50c0f98..000000000 --- a/src/test/ui/type-alias-impl-trait/cross_inference_pattern_bug.rs +++ /dev/null @@ -1,9 +0,0 @@ -// compile-flags: --edition=2021 -// check-pass -#![feature(type_alias_impl_trait)] - -fn main() { - type T = impl Copy; - let foo: T = (1u32, 2u32); - let (a, b): (u32, u32) = foo; -} diff --git a/src/test/ui/type-alias-impl-trait/cross_inference_pattern_bug_no_type.rs b/src/test/ui/type-alias-impl-trait/cross_inference_pattern_bug_no_type.rs deleted file mode 100644 index b929122a6..000000000 --- a/src/test/ui/type-alias-impl-trait/cross_inference_pattern_bug_no_type.rs +++ /dev/null @@ -1,13 +0,0 @@ -// compile-flags: --edition=2021 --crate-type=lib -// rustc-env:RUST_BACKTRACE=0 -// check-pass - -// tracked in https://github.com/rust-lang/rust/issues/96572 - -#![feature(type_alias_impl_trait)] - -fn main() { - type T = impl Copy; - let foo: T = (1u32, 2u32); - let (a, b) = foo; // this line used to make the code fail -} diff --git a/src/test/ui/type-alias-impl-trait/cross_inference_rpit.rs b/src/test/ui/type-alias-impl-trait/cross_inference_rpit.rs deleted file mode 100644 index f6affbf17..000000000 --- a/src/test/ui/type-alias-impl-trait/cross_inference_rpit.rs +++ /dev/null @@ -1,14 +0,0 @@ -// check-pass - -fn foo(b: bool) -> impl Copy { - if b { - return (5,6) - } - let x: (_, _) = foo(true); - println!("{:?}", x); - (1u32, 2u32) -} - -fn main() { - foo(false); -} diff --git a/src/test/ui/type-alias-impl-trait/declared_but_never_defined.rs b/src/test/ui/type-alias-impl-trait/declared_but_never_defined.rs deleted file mode 100644 index 6febd0715..000000000 --- a/src/test/ui/type-alias-impl-trait/declared_but_never_defined.rs +++ /dev/null @@ -1,6 +0,0 @@ -#![feature(type_alias_impl_trait)] - -fn main() {} - -// declared but never defined -type Bar = impl std::fmt::Debug; //~ ERROR unconstrained opaque type diff --git a/src/test/ui/type-alias-impl-trait/declared_but_never_defined.stderr b/src/test/ui/type-alias-impl-trait/declared_but_never_defined.stderr deleted file mode 100644 index 60bc24320..000000000 --- a/src/test/ui/type-alias-impl-trait/declared_but_never_defined.stderr +++ /dev/null @@ -1,10 +0,0 @@ -error: unconstrained opaque type - --> $DIR/declared_but_never_defined.rs:6:12 - | -LL | type Bar = impl std::fmt::Debug; - | ^^^^^^^^^^^^^^^^^^^^ - | - = note: `Bar` must be used in combination with a concrete type within the same module - -error: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/declared_but_not_defined_in_scope.rs b/src/test/ui/type-alias-impl-trait/declared_but_not_defined_in_scope.rs deleted file mode 100644 index 5bda5f0fc..000000000 --- a/src/test/ui/type-alias-impl-trait/declared_but_not_defined_in_scope.rs +++ /dev/null @@ -1,13 +0,0 @@ -#![feature(type_alias_impl_trait)] - -fn main() {} - -mod boo { - // declared in module but not defined inside of it - pub type Boo = impl ::std::fmt::Debug; //~ ERROR unconstrained opaque type -} - -fn bomp() -> boo::Boo { - "" - //~^ mismatched types -} diff --git a/src/test/ui/type-alias-impl-trait/declared_but_not_defined_in_scope.stderr b/src/test/ui/type-alias-impl-trait/declared_but_not_defined_in_scope.stderr deleted file mode 100644 index fbfa0ccf1..000000000 --- a/src/test/ui/type-alias-impl-trait/declared_but_not_defined_in_scope.stderr +++ /dev/null @@ -1,25 +0,0 @@ -error: unconstrained opaque type - --> $DIR/declared_but_not_defined_in_scope.rs:7:20 - | -LL | pub type Boo = impl ::std::fmt::Debug; - | ^^^^^^^^^^^^^^^^^^^^^^ - | - = note: `Boo` must be used in combination with a concrete type within the same module - -error[E0308]: mismatched types - --> $DIR/declared_but_not_defined_in_scope.rs:11:5 - | -LL | pub type Boo = impl ::std::fmt::Debug; - | ---------------------- the expected opaque type -... -LL | fn bomp() -> boo::Boo { - | -------- expected `Boo` because of return type -LL | "" - | ^^ expected opaque type, found `&str` - | - = note: expected opaque type `Boo` - found reference `&'static str` - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/type-alias-impl-trait/defining-use-submodule.rs b/src/test/ui/type-alias-impl-trait/defining-use-submodule.rs deleted file mode 100644 index 8b51f5571..000000000 --- a/src/test/ui/type-alias-impl-trait/defining-use-submodule.rs +++ /dev/null @@ -1,23 +0,0 @@ -// check-pass - -#![feature(type_alias_impl_trait)] -#![allow(dead_code)] - -// test that the type alias impl trait defining use is in a submodule - -fn main() {} - -type Foo = impl std::fmt::Display; -type Bar = impl std::fmt::Display; - -mod foo { - pub fn foo() -> super::Foo { - "foo" - } - - pub mod bar { - pub fn bar() -> crate::Bar { - 1 - } - } -} diff --git a/src/test/ui/type-alias-impl-trait/different_defining_uses.rs b/src/test/ui/type-alias-impl-trait/different_defining_uses.rs deleted file mode 100644 index 4505c4d95..000000000 --- a/src/test/ui/type-alias-impl-trait/different_defining_uses.rs +++ /dev/null @@ -1,15 +0,0 @@ -#![feature(type_alias_impl_trait)] - -fn main() {} - -// two definitions with different types -type Foo = impl std::fmt::Debug; - -fn foo() -> Foo { - "" -} - -fn bar() -> Foo { - 42i32 - //~^ ERROR concrete type differs from previous -} diff --git a/src/test/ui/type-alias-impl-trait/different_defining_uses.stderr b/src/test/ui/type-alias-impl-trait/different_defining_uses.stderr deleted file mode 100644 index a8b4cd7af..000000000 --- a/src/test/ui/type-alias-impl-trait/different_defining_uses.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error: concrete type differs from previous defining opaque type use - --> $DIR/different_defining_uses.rs:13:5 - | -LL | 42i32 - | ^^^^^ expected `&'static str`, got `i32` - | -note: previous use here - --> $DIR/different_defining_uses.rs:9:5 - | -LL | "" - | ^^ - -error: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/different_defining_uses_never_type.rs b/src/test/ui/type-alias-impl-trait/different_defining_uses_never_type.rs deleted file mode 100644 index 0b8157fe3..000000000 --- a/src/test/ui/type-alias-impl-trait/different_defining_uses_never_type.rs +++ /dev/null @@ -1,18 +0,0 @@ -#![feature(type_alias_impl_trait)] - -fn main() {} - -// two definitions with different types -type Foo = impl std::fmt::Debug; - -fn foo() -> Foo { - "" -} - -fn bar() -> Foo { //~ ERROR: concrete type differs from previous defining opaque type use - panic!() -} - -fn boo() -> Foo { - loop {} -} diff --git a/src/test/ui/type-alias-impl-trait/different_defining_uses_never_type.stderr b/src/test/ui/type-alias-impl-trait/different_defining_uses_never_type.stderr deleted file mode 100644 index 09dadb0af..000000000 --- a/src/test/ui/type-alias-impl-trait/different_defining_uses_never_type.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error: concrete type differs from previous defining opaque type use - --> $DIR/different_defining_uses_never_type.rs:12:13 - | -LL | fn bar() -> Foo { - | ^^^ expected `&'static str`, got `()` - | -note: previous use here - --> $DIR/different_defining_uses_never_type.rs:9:5 - | -LL | "" - | ^^ - -error: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/different_defining_uses_never_type2.rs b/src/test/ui/type-alias-impl-trait/different_defining_uses_never_type2.rs deleted file mode 100644 index 8549687ea..000000000 --- a/src/test/ui/type-alias-impl-trait/different_defining_uses_never_type2.rs +++ /dev/null @@ -1,44 +0,0 @@ -// build-pass (FIXME(62277): could be check-pass?) - -#![feature(type_alias_impl_trait)] - -fn main() {} - -// two definitions with different types -type Foo = impl std::fmt::Debug; - -fn foo() -> Foo { - "" -} - -fn bar(arg: bool) -> Foo { - if arg { - panic!() - } else { - "bar" - } -} - -fn boo(arg: bool) -> Foo { - if arg { - loop {} - } else { - "boo" - } -} - -fn bar2(arg: bool) -> Foo { - if arg { - "bar2" - } else { - panic!() - } -} - -fn boo2(arg: bool) -> Foo { - if arg { - "boo2" - } else { - loop {} - } -} diff --git a/src/test/ui/type-alias-impl-trait/different_defining_uses_never_type3.rs b/src/test/ui/type-alias-impl-trait/different_defining_uses_never_type3.rs deleted file mode 100644 index bc827a8f2..000000000 --- a/src/test/ui/type-alias-impl-trait/different_defining_uses_never_type3.rs +++ /dev/null @@ -1,12 +0,0 @@ -#![feature(type_alias_impl_trait)] - -type Tait = impl Sized; - -struct One; -fn one() -> Tait { One } - -struct Two<T>(T); -fn two() -> Tait { Two::<()>(todo!()) } -//~^ ERROR concrete type differs from previous defining opaque type use - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/different_defining_uses_never_type3.stderr b/src/test/ui/type-alias-impl-trait/different_defining_uses_never_type3.stderr deleted file mode 100644 index 146a57cbb..000000000 --- a/src/test/ui/type-alias-impl-trait/different_defining_uses_never_type3.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error: concrete type differs from previous defining opaque type use - --> $DIR/different_defining_uses_never_type3.rs:9:13 - | -LL | fn two() -> Tait { Two::<()>(todo!()) } - | ^^^^ expected `One`, got `Two<()>` - | -note: previous use here - --> $DIR/different_defining_uses_never_type3.rs:6:20 - | -LL | fn one() -> Tait { One } - | ^^^ - -error: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/different_lifetimes_defining_uses.rs b/src/test/ui/type-alias-impl-trait/different_lifetimes_defining_uses.rs deleted file mode 100644 index 5f75fdc71..000000000 --- a/src/test/ui/type-alias-impl-trait/different_lifetimes_defining_uses.rs +++ /dev/null @@ -1,19 +0,0 @@ -#![feature(type_alias_impl_trait)] -#![allow(dead_code)] - -pub trait Captures<'a> {} - -impl<'a, T: ?Sized> Captures<'a> for T {} - -type OneLifetime<'a, 'b> = impl std::fmt::Debug + Captures<'a> + Captures<'b>; - -fn foo<'a, 'b>(a: &'a u32, b: &'b u32) -> OneLifetime<'a, 'b> { - a -} - -fn bar<'a, 'b>(a: &'a u32, b: &'b u32) -> OneLifetime<'a, 'b> { - b - //~^ ERROR: concrete type differs from previous defining opaque type use -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/different_lifetimes_defining_uses.stderr b/src/test/ui/type-alias-impl-trait/different_lifetimes_defining_uses.stderr deleted file mode 100644 index 546598e8a..000000000 --- a/src/test/ui/type-alias-impl-trait/different_lifetimes_defining_uses.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error: concrete type differs from previous defining opaque type use - --> $DIR/different_lifetimes_defining_uses.rs:15:5 - | -LL | b - | ^ expected `&'a u32`, got `&'b u32` - | -note: previous use here - --> $DIR/different_lifetimes_defining_uses.rs:11:5 - | -LL | a - | ^ - -error: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/fallback.rs b/src/test/ui/type-alias-impl-trait/fallback.rs deleted file mode 100644 index d8cf7d71f..000000000 --- a/src/test/ui/type-alias-impl-trait/fallback.rs +++ /dev/null @@ -1,28 +0,0 @@ -// Tests that we correctly handle opaque types being used opaquely, -// even within their defining scope. -// -#![feature(type_alias_impl_trait)] - -type Foo = impl Copy; - -enum Wrapper<T> { - First(T), - Second -} - -// This method constrains `Foo` to be `bool` -fn constrained_foo() -> Foo { - true -} - - -// This method does not constrain `Foo`. -// Per RFC 2071, function bodies may either -// fully constrain an opaque type, or place no -// constraints on it. -fn unconstrained_foo() -> Wrapper<Foo> { - Wrapper::Second - //~^ ERROR: type annotations needed -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/fallback.stderr b/src/test/ui/type-alias-impl-trait/fallback.stderr deleted file mode 100644 index e767bfdb0..000000000 --- a/src/test/ui/type-alias-impl-trait/fallback.stderr +++ /dev/null @@ -1,17 +0,0 @@ -error[E0283]: type annotations needed - --> $DIR/fallback.rs:24:5 - | -LL | fn unconstrained_foo() -> Wrapper<Foo> { - | ------------ type must be known at this point -LL | Wrapper::Second - | ^^^^^^^^^^^^^^^ cannot infer type of the type parameter `T` declared on the enum `Wrapper` - | - = note: cannot satisfy `_: Copy` -help: consider specifying the generic argument - | -LL | Wrapper::<T>::Second - | +++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0283`. diff --git a/src/test/ui/type-alias-impl-trait/field-types.rs b/src/test/ui/type-alias-impl-trait/field-types.rs deleted file mode 100644 index d99ed5812..000000000 --- a/src/test/ui/type-alias-impl-trait/field-types.rs +++ /dev/null @@ -1,18 +0,0 @@ -#![feature(type_alias_impl_trait)] -#![allow(dead_code)] - -// check-pass - -use std::fmt::Debug; - -type Foo = impl Debug; - -struct Bar { - foo: Foo, -} - -fn bar() -> Bar { - Bar { foo: "foo" } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/future.rs b/src/test/ui/type-alias-impl-trait/future.rs deleted file mode 100644 index 56323216e..000000000 --- a/src/test/ui/type-alias-impl-trait/future.rs +++ /dev/null @@ -1,22 +0,0 @@ -#![feature(type_alias_impl_trait)] - -// edition:2021 -// compile-flags: --crate-type=lib - -use std::future::Future; - -trait Bar { - fn bar(&self); -} - -type FooFuture<B> = impl Future<Output = ()>; - -fn foo<B: Bar>(bar: B) -> FooFuture<B> { - async move { bar.bar() } - //~^ ERROR: the trait bound `B: Bar` is not satisfied -} - -pub fn mainish(ctx: &mut std::task::Context) { - let boom: FooFuture<u32> = unsafe { core::mem::zeroed() }; - Box::pin(boom).as_mut().poll(ctx); -} diff --git a/src/test/ui/type-alias-impl-trait/future.stderr b/src/test/ui/type-alias-impl-trait/future.stderr deleted file mode 100644 index 7e76c120a..000000000 --- a/src/test/ui/type-alias-impl-trait/future.stderr +++ /dev/null @@ -1,19 +0,0 @@ -error[E0277]: the trait bound `B: Bar` is not satisfied - --> $DIR/future.rs:15:5 - | -LL | async move { bar.bar() } - | ^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Bar` is not implemented for `B` - | -note: required by a bound in `foo` - --> $DIR/future.rs:14:11 - | -LL | fn foo<B: Bar>(bar: B) -> FooFuture<B> { - | ^^^ required by this bound in `foo` -help: consider restricting type parameter `B` - | -LL | type FooFuture<B: Bar> = impl Future<Output = ()>; - | +++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/generic_different_defining_uses.rs b/src/test/ui/type-alias-impl-trait/generic_different_defining_uses.rs deleted file mode 100644 index 8b683ad28..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_different_defining_uses.rs +++ /dev/null @@ -1,14 +0,0 @@ -#![feature(type_alias_impl_trait)] - -fn main() {} - -type MyIter<T> = impl Iterator<Item = T>; - -fn my_iter<T>(t: T) -> MyIter<T> { - std::iter::once(t) -} - -fn my_iter2<T>(t: T) -> MyIter<T> { - Some(t).into_iter() - //~^ ERROR concrete type differs from previous -} diff --git a/src/test/ui/type-alias-impl-trait/generic_different_defining_uses.stderr b/src/test/ui/type-alias-impl-trait/generic_different_defining_uses.stderr deleted file mode 100644 index 47ac33462..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_different_defining_uses.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error: concrete type differs from previous defining opaque type use - --> $DIR/generic_different_defining_uses.rs:12:5 - | -LL | Some(t).into_iter() - | ^^^^^^^^^^^^^^^^^^^ expected `std::iter::Once<T>`, got `std::option::IntoIter<T>` - | -note: previous use here - --> $DIR/generic_different_defining_uses.rs:8:5 - | -LL | std::iter::once(t) - | ^^^^^^^^^^^^^^^^^^ - -error: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_lifetime_param.rs b/src/test/ui/type-alias-impl-trait/generic_duplicate_lifetime_param.rs deleted file mode 100644 index 9d938a616..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_lifetime_param.rs +++ /dev/null @@ -1,14 +0,0 @@ -#![feature(type_alias_impl_trait)] - -fn main() {} - -pub trait Captures<'a> {} - -impl<'a, T: ?Sized> Captures<'a> for T {} - -type Two<'a, 'b> = impl std::fmt::Debug + Captures<'a> + Captures<'b>; - -fn one<'a>(t: &'a ()) -> Two<'a, 'a> { - t - //~^ ERROR non-defining opaque type use -} diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_lifetime_param.stderr b/src/test/ui/type-alias-impl-trait/generic_duplicate_lifetime_param.stderr deleted file mode 100644 index 72e1ef4b4..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_lifetime_param.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error: non-defining opaque type use in defining scope - --> $DIR/generic_duplicate_lifetime_param.rs:12:5 - | -LL | t - | ^ - | -note: lifetime used multiple times - --> $DIR/generic_duplicate_lifetime_param.rs:9:10 - | -LL | type Two<'a, 'b> = impl std::fmt::Debug + Captures<'a> + Captures<'b>; - | ^^ ^^ - -error: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use.rs b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use.rs deleted file mode 100644 index 80462f8ac..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use.rs +++ /dev/null @@ -1,33 +0,0 @@ -#![feature(type_alias_impl_trait)] - -use std::fmt::Debug; - -fn main() {} - -// test that unused generic parameters are ok -type TwoTys<T, U> = impl Debug; - - -pub trait Captures<'a> {} - -impl<'a, T: ?Sized> Captures<'a> for T {} - -type TwoLifetimes<'a, 'b> = impl Debug + Captures<'a> + Captures<'b>; - -type TwoConsts<const X: usize, const Y: usize> = impl Debug; - - -fn one_ty<T: Debug>(t: T) -> TwoTys<T, T> { - t - //~^ ERROR non-defining opaque type use in defining scope -} - -fn one_lifetime<'a>(t: &'a u32) -> TwoLifetimes<'a, 'a> { - t - //~^ ERROR non-defining opaque type use in defining scope -} - -fn one_const<const N: usize>(t: *mut [u8; N]) -> TwoConsts<N, N> { - t - //~^ ERROR non-defining opaque type use in defining scope -} diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use.stderr b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use.stderr deleted file mode 100644 index 98e4bfea1..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use.stderr +++ /dev/null @@ -1,38 +0,0 @@ -error: non-defining opaque type use in defining scope - --> $DIR/generic_duplicate_param_use.rs:21:5 - | -LL | t - | ^ - | -note: type used multiple times - --> $DIR/generic_duplicate_param_use.rs:8:13 - | -LL | type TwoTys<T, U> = impl Debug; - | ^ ^ - -error: non-defining opaque type use in defining scope - --> $DIR/generic_duplicate_param_use.rs:26:5 - | -LL | t - | ^ - | -note: lifetime used multiple times - --> $DIR/generic_duplicate_param_use.rs:15:19 - | -LL | type TwoLifetimes<'a, 'b> = impl Debug + Captures<'a> + Captures<'b>; - | ^^ ^^ - -error: non-defining opaque type use in defining scope - --> $DIR/generic_duplicate_param_use.rs:31:5 - | -LL | t - | ^ - | -note: constant used multiple times - --> $DIR/generic_duplicate_param_use.rs:17:16 - | -LL | type TwoConsts<const X: usize, const Y: usize> = impl Debug; - | ^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^ - -error: aborting due to 3 previous errors - diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use10.rs b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use10.rs deleted file mode 100644 index c17d595db..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use10.rs +++ /dev/null @@ -1,12 +0,0 @@ -// check-pass -#![feature(type_alias_impl_trait)] - -use std::fmt::Debug; - -fn main() {} - -type Two<T: Debug, U> = impl Debug; - -fn two<T: Debug, U: Debug>(t: T, _: U) -> Two<T, U> { - (t, 4u32) -} diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use2.rs b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use2.rs deleted file mode 100644 index 201535efe..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use2.rs +++ /dev/null @@ -1,13 +0,0 @@ -#![feature(type_alias_impl_trait)] - -use std::fmt::Debug; - -fn main() {} - -// test that unused generic parameters are ok -type Two<T, U> = impl Debug; - -fn two<T: Debug, U>(t: T, _: U) -> Two<T, U> { - t - //~^ ERROR `T` doesn't implement `Debug` -} diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use2.stderr b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use2.stderr deleted file mode 100644 index 3dbfff745..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use2.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error[E0277]: `T` doesn't implement `Debug` - --> $DIR/generic_duplicate_param_use2.rs:11:5 - | -LL | t - | ^ `T` cannot be formatted using `{:?}` because it doesn't implement `Debug` - | -help: consider restricting type parameter `T` - | -LL | type Two<T: std::fmt::Debug, U> = impl Debug; - | +++++++++++++++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use3.rs b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use3.rs deleted file mode 100644 index e7a25fc72..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use3.rs +++ /dev/null @@ -1,18 +0,0 @@ -#![feature(type_alias_impl_trait)] - -use std::fmt::Debug; - -fn main() {} - -// test that unused generic parameters are ok -type Two<T, U> = impl Debug; - -fn two<T: Debug, U>(t: T, _: U) -> Two<T, U> { - t - //~^ ERROR `T` doesn't implement `Debug` -} - -fn three<T, U: Debug>(_: T, u: U) -> Two<T, U> { - u - //~^ ERROR `U` doesn't implement `Debug` -} diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use3.stderr b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use3.stderr deleted file mode 100644 index 7bec38220..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use3.stderr +++ /dev/null @@ -1,25 +0,0 @@ -error[E0277]: `T` doesn't implement `Debug` - --> $DIR/generic_duplicate_param_use3.rs:11:5 - | -LL | t - | ^ `T` cannot be formatted using `{:?}` because it doesn't implement `Debug` - | -help: consider restricting type parameter `T` - | -LL | type Two<T: std::fmt::Debug, U> = impl Debug; - | +++++++++++++++++ - -error[E0277]: `U` doesn't implement `Debug` - --> $DIR/generic_duplicate_param_use3.rs:16:5 - | -LL | u - | ^ `U` cannot be formatted using `{:?}` because it doesn't implement `Debug` - | -help: consider restricting type parameter `U` - | -LL | type Two<T, U: std::fmt::Debug> = impl Debug; - | +++++++++++++++++ - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use4.rs b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use4.rs deleted file mode 100644 index d1e5a0f01..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use4.rs +++ /dev/null @@ -1,13 +0,0 @@ -#![feature(type_alias_impl_trait)] - -use std::fmt::Debug; - -fn main() {} - -// test that unused generic parameters are ok -type Two<T, U> = impl Debug; - -fn three<T, U: Debug>(_: T, u: U) -> Two<T, U> { - u - //~^ ERROR `U` doesn't implement `Debug` -} diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use4.stderr b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use4.stderr deleted file mode 100644 index 21a5369d9..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use4.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error[E0277]: `U` doesn't implement `Debug` - --> $DIR/generic_duplicate_param_use4.rs:11:5 - | -LL | u - | ^ `U` cannot be formatted using `{:?}` because it doesn't implement `Debug` - | -help: consider restricting type parameter `U` - | -LL | type Two<T, U: std::fmt::Debug> = impl Debug; - | +++++++++++++++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use5.rs b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use5.rs deleted file mode 100644 index 3bd1dda63..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use5.rs +++ /dev/null @@ -1,20 +0,0 @@ -#![feature(type_alias_impl_trait)] - -use std::fmt::Debug; - -fn main() {} - -// test that unused generic parameters are ok -type Two<T, U> = impl Debug; - -fn two<T: Debug, U: Debug>(t: T, u: U) -> Two<T, U> { - (t, u) - //~^ ERROR `T` doesn't implement `Debug` - //~| ERROR `U` doesn't implement `Debug` -} - -fn three<T: Debug, U: Debug>(t: T, u: U) -> Two<T, U> { - (u, t) - //~^ ERROR `T` doesn't implement `Debug` - //~| ERROR `U` doesn't implement `Debug` -} diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use5.stderr b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use5.stderr deleted file mode 100644 index 586ea8234..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use5.stderr +++ /dev/null @@ -1,51 +0,0 @@ -error[E0277]: `T` doesn't implement `Debug` - --> $DIR/generic_duplicate_param_use5.rs:11:5 - | -LL | (t, u) - | ^^^^^^ `T` cannot be formatted using `{:?}` because it doesn't implement `Debug` - | - = note: required for `(T, U)` to implement `Debug` -help: consider restricting type parameter `T` - | -LL | type Two<T: std::fmt::Debug, U> = impl Debug; - | +++++++++++++++++ - -error[E0277]: `U` doesn't implement `Debug` - --> $DIR/generic_duplicate_param_use5.rs:11:5 - | -LL | (t, u) - | ^^^^^^ `U` cannot be formatted using `{:?}` because it doesn't implement `Debug` - | - = note: required for `(T, U)` to implement `Debug` -help: consider restricting type parameter `U` - | -LL | type Two<T, U: std::fmt::Debug> = impl Debug; - | +++++++++++++++++ - -error[E0277]: `U` doesn't implement `Debug` - --> $DIR/generic_duplicate_param_use5.rs:17:5 - | -LL | (u, t) - | ^^^^^^ `U` cannot be formatted using `{:?}` because it doesn't implement `Debug` - | - = note: required for `(U, T)` to implement `Debug` -help: consider restricting type parameter `U` - | -LL | type Two<T, U: std::fmt::Debug> = impl Debug; - | +++++++++++++++++ - -error[E0277]: `T` doesn't implement `Debug` - --> $DIR/generic_duplicate_param_use5.rs:17:5 - | -LL | (u, t) - | ^^^^^^ `T` cannot be formatted using `{:?}` because it doesn't implement `Debug` - | - = note: required for `(U, T)` to implement `Debug` -help: consider restricting type parameter `T` - | -LL | type Two<T: std::fmt::Debug, U> = impl Debug; - | +++++++++++++++++ - -error: aborting due to 4 previous errors - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use6.rs b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use6.rs deleted file mode 100644 index 5120925e5..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use6.rs +++ /dev/null @@ -1,19 +0,0 @@ -#![feature(type_alias_impl_trait)] - -use std::fmt::Debug; - -fn main() {} - -// test that unused generic parameters are ok -type Two<T, U> = impl Debug; - -fn two<T: Copy + Debug, U: Debug>(t: T, u: U) -> Two<T, U> { - (t, t) - //~^ ERROR `T` doesn't implement `Debug` -} - -fn three<T: Copy + Debug, U: Debug>(t: T, u: U) -> Two<T, U> { - (u, t) - //~^ ERROR `T` doesn't implement `Debug` - //~| ERROR `U` doesn't implement `Debug` -} diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use6.stderr b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use6.stderr deleted file mode 100644 index cb162d382..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use6.stderr +++ /dev/null @@ -1,39 +0,0 @@ -error[E0277]: `T` doesn't implement `Debug` - --> $DIR/generic_duplicate_param_use6.rs:11:5 - | -LL | (t, t) - | ^^^^^^ `T` cannot be formatted using `{:?}` because it doesn't implement `Debug` - | - = note: required for `(T, T)` to implement `Debug` -help: consider restricting type parameter `T` - | -LL | type Two<T: std::fmt::Debug, U> = impl Debug; - | +++++++++++++++++ - -error[E0277]: `U` doesn't implement `Debug` - --> $DIR/generic_duplicate_param_use6.rs:16:5 - | -LL | (u, t) - | ^^^^^^ `U` cannot be formatted using `{:?}` because it doesn't implement `Debug` - | - = note: required for `(U, T)` to implement `Debug` -help: consider restricting type parameter `U` - | -LL | type Two<T, U: std::fmt::Debug> = impl Debug; - | +++++++++++++++++ - -error[E0277]: `T` doesn't implement `Debug` - --> $DIR/generic_duplicate_param_use6.rs:16:5 - | -LL | (u, t) - | ^^^^^^ `T` cannot be formatted using `{:?}` because it doesn't implement `Debug` - | - = note: required for `(U, T)` to implement `Debug` -help: consider restricting type parameter `T` - | -LL | type Two<T: std::fmt::Debug, U> = impl Debug; - | +++++++++++++++++ - -error: aborting due to 3 previous errors - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use7.rs b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use7.rs deleted file mode 100644 index feebf81ee..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use7.rs +++ /dev/null @@ -1,24 +0,0 @@ -// check-pass -#![feature(type_alias_impl_trait)] - -use std::fmt::Debug; - -fn main() {} - -type Two<A: Debug, B> = impl Debug; - -fn two<T: Debug + Copy, U>(t: T, u: U) -> Two<T, U> { - (t, t) -} - -fn three<T: Debug, U>(t: T, t2: T, u: U) -> Two<T, U> { - (t, t2) -} - -fn four<T: Debug, U, V>(t: T, t2: T, u: U, v: V) -> Two<T, U> { - (t, t2) -} - -fn five<X, Y: Debug>(x: X, y: Y, y2: Y) -> Two<Y, X> { - (y, y2) -} diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use8.rs b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use8.rs deleted file mode 100644 index 3a4b5047b..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use8.rs +++ /dev/null @@ -1,17 +0,0 @@ -#![feature(type_alias_impl_trait)] - -use std::fmt::Debug; - -fn main() {} - -type Two<T, U> = impl Debug; - -fn two<T: Debug, U: Debug>(t: T, _: U) -> Two<T, U> { - (t, 4u32) - //~^ ERROR `T` doesn't implement `Debug` -} - -fn three<T: Debug, U: Debug>(_: T, u: U) -> Two<T, U> { - (u, 4u32) - //~^ ERROR `U` doesn't implement `Debug` -} diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use8.stderr b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use8.stderr deleted file mode 100644 index 14cbfb380..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use8.stderr +++ /dev/null @@ -1,27 +0,0 @@ -error[E0277]: `T` doesn't implement `Debug` - --> $DIR/generic_duplicate_param_use8.rs:10:5 - | -LL | (t, 4u32) - | ^^^^^^^^^ `T` cannot be formatted using `{:?}` because it doesn't implement `Debug` - | - = note: required for `(T, u32)` to implement `Debug` -help: consider restricting type parameter `T` - | -LL | type Two<T: std::fmt::Debug, U> = impl Debug; - | +++++++++++++++++ - -error[E0277]: `U` doesn't implement `Debug` - --> $DIR/generic_duplicate_param_use8.rs:15:5 - | -LL | (u, 4u32) - | ^^^^^^^^^ `U` cannot be formatted using `{:?}` because it doesn't implement `Debug` - | - = note: required for `(U, u32)` to implement `Debug` -help: consider restricting type parameter `U` - | -LL | type Two<T, U: std::fmt::Debug> = impl Debug; - | +++++++++++++++++ - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use9.rs b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use9.rs deleted file mode 100644 index 6afcdfe4d..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use9.rs +++ /dev/null @@ -1,25 +0,0 @@ -#![feature(type_alias_impl_trait)] - -use std::fmt::Debug; - -fn main() {} - -type Two<A, B> = impl Debug; - -trait Foo { - type Bar: Debug; - const BAR: Self::Bar; -} - -fn two<T: Debug + Foo, U: Debug>(t: T, u: U) -> Two<T, U> { - (t, u, T::BAR) - //~^ ERROR the trait bound `A: Foo` is not satisfied - //~| ERROR `A` doesn't implement `Debug` - //~| ERROR `B` doesn't implement `Debug` -} - -fn three<T: Debug, U: Debug>(t: T, u: U) -> Two<T, U> { - (t, u, 42) - //~^ ERROR `A` doesn't implement `Debug` - //~| ERROR `B` doesn't implement `Debug` -} diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use9.stderr b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use9.stderr deleted file mode 100644 index 722693e42..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use9.stderr +++ /dev/null @@ -1,62 +0,0 @@ -error[E0277]: the trait bound `A: Foo` is not satisfied - --> $DIR/generic_duplicate_param_use9.rs:15:5 - | -LL | (t, u, T::BAR) - | ^^^^^^^^^^^^^^ the trait `Foo` is not implemented for `A` - | -help: consider restricting type parameter `A` - | -LL | type Two<A: Foo, B> = impl Debug; - | +++++ - -error[E0277]: `A` doesn't implement `Debug` - --> $DIR/generic_duplicate_param_use9.rs:15:5 - | -LL | (t, u, T::BAR) - | ^^^^^^^^^^^^^^ `A` cannot be formatted using `{:?}` because it doesn't implement `Debug` - | - = note: required for `(A, B, _)` to implement `Debug` -help: consider restricting type parameter `A` - | -LL | type Two<A: std::fmt::Debug, B> = impl Debug; - | +++++++++++++++++ - -error[E0277]: `B` doesn't implement `Debug` - --> $DIR/generic_duplicate_param_use9.rs:15:5 - | -LL | (t, u, T::BAR) - | ^^^^^^^^^^^^^^ `B` cannot be formatted using `{:?}` because it doesn't implement `Debug` - | - = note: required for `(A, B, _)` to implement `Debug` -help: consider restricting type parameter `B` - | -LL | type Two<A, B: std::fmt::Debug> = impl Debug; - | +++++++++++++++++ - -error[E0277]: `A` doesn't implement `Debug` - --> $DIR/generic_duplicate_param_use9.rs:22:5 - | -LL | (t, u, 42) - | ^^^^^^^^^^ `A` cannot be formatted using `{:?}` because it doesn't implement `Debug` - | - = note: required for `(A, B, i32)` to implement `Debug` -help: consider restricting type parameter `A` - | -LL | type Two<A: std::fmt::Debug, B> = impl Debug; - | +++++++++++++++++ - -error[E0277]: `B` doesn't implement `Debug` - --> $DIR/generic_duplicate_param_use9.rs:22:5 - | -LL | (t, u, 42) - | ^^^^^^^^^^ `B` cannot be formatted using `{:?}` because it doesn't implement `Debug` - | - = note: required for `(A, B, i32)` to implement `Debug` -help: consider restricting type parameter `B` - | -LL | type Two<A, B: std::fmt::Debug> = impl Debug; - | +++++++++++++++++ - -error: aborting due to 5 previous errors - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/generic_lifetime_param.rs b/src/test/ui/type-alias-impl-trait/generic_lifetime_param.rs deleted file mode 100644 index 106efefba..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_lifetime_param.rs +++ /dev/null @@ -1,12 +0,0 @@ -// check-pass - -#![feature(type_alias_impl_trait)] - -fn main() {} - -type Region<'a> = impl std::fmt::Debug + 'a; - - -fn region<'b>(a: &'b ()) -> Region<'b> { - a -} diff --git a/src/test/ui/type-alias-impl-trait/generic_nondefining_use.rs b/src/test/ui/type-alias-impl-trait/generic_nondefining_use.rs deleted file mode 100644 index f39741a6a..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_nondefining_use.rs +++ /dev/null @@ -1,29 +0,0 @@ -#![feature(type_alias_impl_trait)] - -use std::fmt::Debug; - -fn main() {} - -type OneTy<T> = impl Debug; - -type OneLifetime<'a> = impl Debug; - -type OneConst<const X: usize> = impl Debug; - - -// Not defining uses, because they doesn't define *all* possible generics. - -fn concrete_ty() -> OneTy<u32> { - 5u32 - //~^ ERROR non-defining opaque type use in defining scope -} - -fn concrete_lifetime() -> OneLifetime<'static> { - 6u32 - //~^ ERROR non-defining opaque type use in defining scope -} - -fn concrete_const() -> OneConst<{ 123 }> { - 7u32 - //~^ ERROR non-defining opaque type use in defining scope -} diff --git a/src/test/ui/type-alias-impl-trait/generic_nondefining_use.stderr b/src/test/ui/type-alias-impl-trait/generic_nondefining_use.stderr deleted file mode 100644 index e7565525a..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_nondefining_use.stderr +++ /dev/null @@ -1,35 +0,0 @@ -error: non-defining opaque type use in defining scope - --> $DIR/generic_nondefining_use.rs:17:5 - | -LL | 5u32 - | ^^^^ - | -note: used non-generic type `u32` for generic parameter - --> $DIR/generic_nondefining_use.rs:7:12 - | -LL | type OneTy<T> = impl Debug; - | ^ - -error: non-defining opaque type use in defining scope - --> $DIR/generic_nondefining_use.rs:22:5 - | -LL | type OneLifetime<'a> = impl Debug; - | -- cannot use static lifetime; use a bound lifetime instead or remove the lifetime parameter from the opaque type -... -LL | 6u32 - | ^^^^ - -error: non-defining opaque type use in defining scope - --> $DIR/generic_nondefining_use.rs:27:5 - | -LL | 7u32 - | ^^^^ - | -note: used non-generic constant `123` for generic parameter - --> $DIR/generic_nondefining_use.rs:11:15 - | -LL | type OneConst<const X: usize> = impl Debug; - | ^^^^^^^^^^^^^^ - -error: aborting due to 3 previous errors - diff --git a/src/test/ui/type-alias-impl-trait/generic_not_used.rs b/src/test/ui/type-alias-impl-trait/generic_not_used.rs deleted file mode 100644 index c70f473cf..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_not_used.rs +++ /dev/null @@ -1,11 +0,0 @@ -#![feature(type_alias_impl_trait)] - -fn main() {} - -type WrongGeneric<T: 'static> = impl 'static; -//~^ ERROR: at least one trait must be specified - -fn wrong_generic<U: 'static, V: 'static>(_: U, v: V) -> WrongGeneric<U> { - v - //~^ ERROR type parameter `V` is part of concrete type but not used in parameter list -} diff --git a/src/test/ui/type-alias-impl-trait/generic_not_used.stderr b/src/test/ui/type-alias-impl-trait/generic_not_used.stderr deleted file mode 100644 index fd720239a..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_not_used.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error: at least one trait must be specified - --> $DIR/generic_not_used.rs:5:33 - | -LL | type WrongGeneric<T: 'static> = impl 'static; - | ^^^^^^^^^^^^ - -error: type parameter `V` is part of concrete type but not used in parameter list for the `impl Trait` type alias - --> $DIR/generic_not_used.rs:9:5 - | -LL | v - | ^ - -error: aborting due to 2 previous errors - diff --git a/src/test/ui/type-alias-impl-trait/generic_type_does_not_live_long_enough.rs b/src/test/ui/type-alias-impl-trait/generic_type_does_not_live_long_enough.rs deleted file mode 100644 index cb9077647..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_type_does_not_live_long_enough.rs +++ /dev/null @@ -1,16 +0,0 @@ -#![feature(type_alias_impl_trait)] - -fn main() { - let y = 42; - let x = wrong_generic(&y); - let z: i32 = x; - //~^ ERROR non-defining opaque type use -} - -type WrongGeneric<T> = impl 'static; -//~^ ERROR: at least one trait must be specified - -fn wrong_generic<T>(t: T) -> WrongGeneric<T> { - t - //~^ ERROR the parameter type `T` may not live long enough -} diff --git a/src/test/ui/type-alias-impl-trait/generic_type_does_not_live_long_enough.stderr b/src/test/ui/type-alias-impl-trait/generic_type_does_not_live_long_enough.stderr deleted file mode 100644 index ba583241a..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_type_does_not_live_long_enough.stderr +++ /dev/null @@ -1,32 +0,0 @@ -error: at least one trait must be specified - --> $DIR/generic_type_does_not_live_long_enough.rs:10:24 - | -LL | type WrongGeneric<T> = impl 'static; - | ^^^^^^^^^^^^ - -error: non-defining opaque type use in defining scope - --> $DIR/generic_type_does_not_live_long_enough.rs:6:18 - | -LL | let z: i32 = x; - | ^ - | -note: used non-generic type `&'static i32` for generic parameter - --> $DIR/generic_type_does_not_live_long_enough.rs:10:19 - | -LL | type WrongGeneric<T> = impl 'static; - | ^ - -error[E0310]: the parameter type `T` may not live long enough - --> $DIR/generic_type_does_not_live_long_enough.rs:14:5 - | -LL | t - | ^ ...so that the type `T` will meet its required lifetime bounds - | -help: consider adding an explicit lifetime bound... - | -LL | fn wrong_generic<T: 'static>(t: T) -> WrongGeneric<T> { - | +++++++++ - -error: aborting due to 3 previous errors - -For more information about this error, try `rustc --explain E0310`. diff --git a/src/test/ui/type-alias-impl-trait/generic_underconstrained.rs b/src/test/ui/type-alias-impl-trait/generic_underconstrained.rs deleted file mode 100644 index d87a25aad..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_underconstrained.rs +++ /dev/null @@ -1,12 +0,0 @@ -#![feature(type_alias_impl_trait)] - -fn main() {} - -trait Trait {} -type Underconstrained<T: Trait> = impl Send; - -// no `Trait` bound -fn underconstrain<T>(_: T) -> Underconstrained<T> { - //~^ ERROR the trait bound `T: Trait` - unimplemented!() -} diff --git a/src/test/ui/type-alias-impl-trait/generic_underconstrained.stderr b/src/test/ui/type-alias-impl-trait/generic_underconstrained.stderr deleted file mode 100644 index c73288329..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_underconstrained.stderr +++ /dev/null @@ -1,19 +0,0 @@ -error[E0277]: the trait bound `T: Trait` is not satisfied - --> $DIR/generic_underconstrained.rs:9:31 - | -LL | fn underconstrain<T>(_: T) -> Underconstrained<T> { - | ^^^^^^^^^^^^^^^^^^^ the trait `Trait` is not implemented for `T` - | -note: required by a bound in `Underconstrained` - --> $DIR/generic_underconstrained.rs:6:26 - | -LL | type Underconstrained<T: Trait> = impl Send; - | ^^^^^ required by this bound in `Underconstrained` -help: consider restricting type parameter `T` - | -LL | fn underconstrain<T: Trait>(_: T) -> Underconstrained<T> { - | +++++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/generic_underconstrained2.rs b/src/test/ui/type-alias-impl-trait/generic_underconstrained2.rs deleted file mode 100644 index 8adc0bf32..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_underconstrained2.rs +++ /dev/null @@ -1,19 +0,0 @@ -#![feature(type_alias_impl_trait)] - -fn main() {} - -type Underconstrained<T: std::fmt::Debug> = impl Send; - -// not a defining use, because it doesn't define *all* possible generics -fn underconstrained<U>(_: U) -> Underconstrained<U> { - //~^ ERROR `U` doesn't implement `Debug` - 5u32 -} - -type Underconstrained2<T: std::fmt::Debug> = impl Send; - -// not a defining use, because it doesn't define *all* possible generics -fn underconstrained2<U, V>(_: U, _: V) -> Underconstrained2<V> { - //~^ ERROR `V` doesn't implement `Debug` - 5u32 -} diff --git a/src/test/ui/type-alias-impl-trait/generic_underconstrained2.stderr b/src/test/ui/type-alias-impl-trait/generic_underconstrained2.stderr deleted file mode 100644 index d77d978aa..000000000 --- a/src/test/ui/type-alias-impl-trait/generic_underconstrained2.stderr +++ /dev/null @@ -1,35 +0,0 @@ -error[E0277]: `U` doesn't implement `Debug` - --> $DIR/generic_underconstrained2.rs:8:33 - | -LL | fn underconstrained<U>(_: U) -> Underconstrained<U> { - | ^^^^^^^^^^^^^^^^^^^ `U` cannot be formatted using `{:?}` because it doesn't implement `Debug` - | -note: required by a bound in `Underconstrained` - --> $DIR/generic_underconstrained2.rs:5:26 - | -LL | type Underconstrained<T: std::fmt::Debug> = impl Send; - | ^^^^^^^^^^^^^^^ required by this bound in `Underconstrained` -help: consider restricting type parameter `U` - | -LL | fn underconstrained<U: std::fmt::Debug>(_: U) -> Underconstrained<U> { - | +++++++++++++++++ - -error[E0277]: `V` doesn't implement `Debug` - --> $DIR/generic_underconstrained2.rs:16:43 - | -LL | fn underconstrained2<U, V>(_: U, _: V) -> Underconstrained2<V> { - | ^^^^^^^^^^^^^^^^^^^^ `V` cannot be formatted using `{:?}` because it doesn't implement `Debug` - | -note: required by a bound in `Underconstrained2` - --> $DIR/generic_underconstrained2.rs:13:27 - | -LL | type Underconstrained2<T: std::fmt::Debug> = impl Send; - | ^^^^^^^^^^^^^^^ required by this bound in `Underconstrained2` -help: consider restricting type parameter `V` - | -LL | fn underconstrained2<U, V: std::fmt::Debug>(_: U, _: V) -> Underconstrained2<V> { - | +++++++++++++++++ - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/impl-with-unconstrained-param.rs b/src/test/ui/type-alias-impl-trait/impl-with-unconstrained-param.rs deleted file mode 100644 index 851c2f66c..000000000 --- a/src/test/ui/type-alias-impl-trait/impl-with-unconstrained-param.rs +++ /dev/null @@ -1,17 +0,0 @@ -// Ensure that we don't ICE if associated type impl trait is used in an impl -// with an unconstrained type parameter. - -#![feature(type_alias_impl_trait)] - -trait X { - type I; - fn f() -> Self::I; -} - -impl<T> X for () { - //~^ ERROR the type parameter `T` is not constrained - type I = impl Sized; - fn f() -> Self::I {} -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/impl-with-unconstrained-param.stderr b/src/test/ui/type-alias-impl-trait/impl-with-unconstrained-param.stderr deleted file mode 100644 index 8cf8fb1d1..000000000 --- a/src/test/ui/type-alias-impl-trait/impl-with-unconstrained-param.stderr +++ /dev/null @@ -1,9 +0,0 @@ -error[E0207]: the type parameter `T` is not constrained by the impl trait, self type, or predicates - --> $DIR/impl-with-unconstrained-param.rs:11:6 - | -LL | impl<T> X for () { - | ^ unconstrained type parameter - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0207`. diff --git a/src/test/ui/type-alias-impl-trait/impl_trait_for_generic_tait.rs b/src/test/ui/type-alias-impl-trait/impl_trait_for_generic_tait.rs deleted file mode 100644 index 0efbd1c2b..000000000 --- a/src/test/ui/type-alias-impl-trait/impl_trait_for_generic_tait.rs +++ /dev/null @@ -1,23 +0,0 @@ -// check-pass - -#![feature(type_alias_impl_trait)] -trait Foo { - type Assoc; -} - -impl Foo for i32 { - type Assoc = u32; -} -type ImplTrait = impl Sized; -fn constrain() -> ImplTrait { - 1u64 -} -impl Foo for i64 { - type Assoc = ImplTrait; -} - -trait Bar<T> {} - -impl<T: Foo> Bar<<T as Foo>::Assoc> for T {} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/impl_trait_for_same_tait.rs b/src/test/ui/type-alias-impl-trait/impl_trait_for_same_tait.rs deleted file mode 100644 index 3f1a9d12b..000000000 --- a/src/test/ui/type-alias-impl-trait/impl_trait_for_same_tait.rs +++ /dev/null @@ -1,33 +0,0 @@ -#![feature(type_alias_impl_trait)] - -trait Foo {} -impl Foo for () {} -impl Foo for i32 {} - -type Bar<T: Foo> = impl std::fmt::Debug; -fn defining_use<T: Foo>() -> Bar<T> { - 42 -} - -trait Bop {} - -impl Bop for Bar<()> {} - -// If the hidden type is the same, this is effectively a second impl for the same type. -impl Bop for Bar<i32> {} -//~^ ERROR conflicting implementations - -type Barr = impl std::fmt::Debug; -fn defining_use2() -> Barr { - 42 -} - -// Even completely different opaque types must conflict. -impl Bop for Barr {} -//~^ ERROR conflicting implementations - -// And obviously the hidden type must conflict, too. -impl Bop for i32 {} -//~^ ERROR conflicting implementations - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/impl_trait_for_same_tait.stderr b/src/test/ui/type-alias-impl-trait/impl_trait_for_same_tait.stderr deleted file mode 100644 index aaf75cc3d..000000000 --- a/src/test/ui/type-alias-impl-trait/impl_trait_for_same_tait.stderr +++ /dev/null @@ -1,30 +0,0 @@ -error[E0119]: conflicting implementations of trait `Bop` for type `Bar<()>` - --> $DIR/impl_trait_for_same_tait.rs:17:1 - | -LL | impl Bop for Bar<()> {} - | -------------------- first implementation here -... -LL | impl Bop for Bar<i32> {} - | ^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Bar<()>` - -error[E0119]: conflicting implementations of trait `Bop` for type `Bar<()>` - --> $DIR/impl_trait_for_same_tait.rs:26:1 - | -LL | impl Bop for Bar<()> {} - | -------------------- first implementation here -... -LL | impl Bop for Barr {} - | ^^^^^^^^^^^^^^^^^ conflicting implementation for `Bar<()>` - -error[E0119]: conflicting implementations of trait `Bop` for type `Bar<()>` - --> $DIR/impl_trait_for_same_tait.rs:30:1 - | -LL | impl Bop for Bar<()> {} - | -------------------- first implementation here -... -LL | impl Bop for i32 {} - | ^^^^^^^^^^^^^^^^ conflicting implementation for `Bar<()>` - -error: aborting due to 3 previous errors - -For more information about this error, try `rustc --explain E0119`. diff --git a/src/test/ui/type-alias-impl-trait/impl_trait_for_tait.rs b/src/test/ui/type-alias-impl-trait/impl_trait_for_tait.rs deleted file mode 100644 index 9f32c5d88..000000000 --- a/src/test/ui/type-alias-impl-trait/impl_trait_for_tait.rs +++ /dev/null @@ -1,21 +0,0 @@ -// compile-flags: --crate-type=lib -// check-pass - -#![feature(type_alias_impl_trait)] -type Alias = impl Sized; - -fn constrain() -> Alias { - 1i32 -} - -trait HideIt { - type Assoc; -} - -impl HideIt for () { - type Assoc = Alias; -} - -pub trait Yay {} - -impl Yay for <() as HideIt>::Assoc {} diff --git a/src/test/ui/type-alias-impl-trait/impl_trait_for_tait_bound.rs b/src/test/ui/type-alias-impl-trait/impl_trait_for_tait_bound.rs deleted file mode 100644 index 8ec20acef..000000000 --- a/src/test/ui/type-alias-impl-trait/impl_trait_for_tait_bound.rs +++ /dev/null @@ -1,19 +0,0 @@ -#![feature(type_alias_impl_trait)] - -use std::fmt::Debug; - -type Foo = impl Debug; -pub trait Yay { } -impl Yay for Foo { } - -fn foo() { - is_yay::<u32>(); //~ ERROR: the trait bound `u32: Yay` is not satisfied - is_debug::<u32>(); // OK - is_yay::<Foo>(); // OK - is_debug::<Foo>(); // OK -} - -fn is_yay<T: Yay>() { } -fn is_debug<T: Debug>() { } - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/impl_trait_for_tait_bound.stderr b/src/test/ui/type-alias-impl-trait/impl_trait_for_tait_bound.stderr deleted file mode 100644 index 1c83105a1..000000000 --- a/src/test/ui/type-alias-impl-trait/impl_trait_for_tait_bound.stderr +++ /dev/null @@ -1,16 +0,0 @@ -error[E0277]: the trait bound `u32: Yay` is not satisfied - --> $DIR/impl_trait_for_tait_bound.rs:10:14 - | -LL | is_yay::<u32>(); - | ^^^ the trait `Yay` is not implemented for `u32` - | - = help: the trait `Yay` is implemented for `Foo` -note: required by a bound in `is_yay` - --> $DIR/impl_trait_for_tait_bound.rs:16:14 - | -LL | fn is_yay<T: Yay>() { } - | ^^^ required by this bound in `is_yay` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/impl_trait_for_tait_bound2.rs b/src/test/ui/type-alias-impl-trait/impl_trait_for_tait_bound2.rs deleted file mode 100644 index a4b8c2d19..000000000 --- a/src/test/ui/type-alias-impl-trait/impl_trait_for_tait_bound2.rs +++ /dev/null @@ -1,16 +0,0 @@ -#![feature(type_alias_impl_trait)] - -use std::fmt::Debug; - -type Foo = impl Debug; - -pub trait Yay { } -impl Yay for u32 { } - -fn foo() { - is_yay::<Foo>(); //~ ERROR: the trait bound `Foo: Yay` is not satisfied -} - -fn is_yay<T: Yay>() { } - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/impl_trait_for_tait_bound2.stderr b/src/test/ui/type-alias-impl-trait/impl_trait_for_tait_bound2.stderr deleted file mode 100644 index a6440f02c..000000000 --- a/src/test/ui/type-alias-impl-trait/impl_trait_for_tait_bound2.stderr +++ /dev/null @@ -1,16 +0,0 @@ -error[E0277]: the trait bound `Foo: Yay` is not satisfied - --> $DIR/impl_trait_for_tait_bound2.rs:11:14 - | -LL | is_yay::<Foo>(); - | ^^^ the trait `Yay` is not implemented for `Foo` - | - = help: the trait `Yay` is implemented for `u32` -note: required by a bound in `is_yay` - --> $DIR/impl_trait_for_tait_bound2.rs:14:14 - | -LL | fn is_yay<T: Yay>() { } - | ^^^ required by this bound in `is_yay` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/implied_bounds.rs b/src/test/ui/type-alias-impl-trait/implied_bounds.rs deleted file mode 100644 index 53cbf8d22..000000000 --- a/src/test/ui/type-alias-impl-trait/implied_bounds.rs +++ /dev/null @@ -1,51 +0,0 @@ -#![feature(type_alias_impl_trait)] - -type WithLifetime<'a> = impl Equals<SelfType = ()>; -fn _defining_use<'a>() -> WithLifetime<'a> {} - -trait Convert<'a> { - type Witness; - fn convert<'b, T: ?Sized>(_proof: &'b Self::Witness, x: &'a T) -> &'b T; -} - -impl<'a> Convert<'a> for () { - type Witness = WithLifetime<'a>; - - fn convert<'b, T: ?Sized>(_proof: &'b WithLifetime<'a>, x: &'a T) -> &'b T { - // compiler used to think it gets to assume 'a: 'b here because - // of the `&'b WithLifetime<'a>` argument - x - //~^ ERROR lifetime may not live long enough - } -} - -fn extend_lifetime<'a, 'b, T: ?Sized>(x: &'a T) -> &'b T { - WithLifetime::<'a>::convert_helper::<(), T>(&(), x) -} - -trait Equals { - type SelfType; - fn convert_helper<'a, 'b, W: Convert<'a, Witness = Self>, T: ?Sized>( - proof: &'b Self::SelfType, - x: &'a T, - ) -> &'b T; -} - -impl<S> Equals for S { - type SelfType = Self; - fn convert_helper<'a, 'b, W: Convert<'a, Witness = Self>, T: ?Sized>( - proof: &'b Self, - x: &'a T, - ) -> &'b T { - W::convert(proof, x) - } -} - -fn main() { - let r; - { - let x = String::from("Hello World?"); - r = extend_lifetime(&x); - } - println!("{}", r); -} diff --git a/src/test/ui/type-alias-impl-trait/implied_bounds.stderr b/src/test/ui/type-alias-impl-trait/implied_bounds.stderr deleted file mode 100644 index 6f11b6663..000000000 --- a/src/test/ui/type-alias-impl-trait/implied_bounds.stderr +++ /dev/null @@ -1,16 +0,0 @@ -error: lifetime may not live long enough - --> $DIR/implied_bounds.rs:17:9 - | -LL | impl<'a> Convert<'a> for () { - | -- lifetime `'a` defined here -... -LL | fn convert<'b, T: ?Sized>(_proof: &'b WithLifetime<'a>, x: &'a T) -> &'b T { - | -- lifetime `'b` defined here -... -LL | x - | ^ associated 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: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/implied_bounds2.rs b/src/test/ui/type-alias-impl-trait/implied_bounds2.rs deleted file mode 100644 index b4c4c013c..000000000 --- a/src/test/ui/type-alias-impl-trait/implied_bounds2.rs +++ /dev/null @@ -1,10 +0,0 @@ -// check-pass - -#![feature(type_alias_impl_trait)] - -type Ty<'a, A> = impl Sized + 'a; -fn defining<'a, A>() -> Ty<'a, A> {} -fn assert_static<T: 'static>() {} -fn test<'a, A>() where Ty<'a, A>: 'static, { assert_static::<Ty<'a, A>>() } - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/implied_bounds3.rs b/src/test/ui/type-alias-impl-trait/implied_bounds3.rs deleted file mode 100644 index e39c61328..000000000 --- a/src/test/ui/type-alias-impl-trait/implied_bounds3.rs +++ /dev/null @@ -1,18 +0,0 @@ -// check-pass - -fn foo<F>(_: F) -where - F: 'static, -{ -} - -fn from<F: Send>(f: F) -> impl Send { - f -} - -fn bar<T>() { - foo(from(|| ())) -} - -fn main() { -} diff --git a/src/test/ui/type-alias-impl-trait/implied_bounds_closure.rs b/src/test/ui/type-alias-impl-trait/implied_bounds_closure.rs deleted file mode 100644 index 4cf35f951..000000000 --- a/src/test/ui/type-alias-impl-trait/implied_bounds_closure.rs +++ /dev/null @@ -1,31 +0,0 @@ -trait StaticDefaultRef: 'static { - fn default_ref() -> &'static Self; -} - -impl StaticDefaultRef for str { - fn default_ref() -> &'static str { - "" - } -} - -fn into_impl(x: &str) -> &(impl ?Sized + AsRef<str> + StaticDefaultRef + '_) { - x -} - -fn extend_lifetime<'a>(x: &'a str) -> &'static str { - let t = into_impl(x); - helper(|_| t) //~ ERROR lifetime may not live long enough -} - -fn helper<T: ?Sized + AsRef<str> + StaticDefaultRef>(f: impl FnOnce(&T) -> &T) -> &'static str { - f(T::default_ref()).as_ref() -} - -fn main() { - let r; - { - let x = String::from("Hello World?"); - r = extend_lifetime(&x); - } - println!("{}", r); -} diff --git a/src/test/ui/type-alias-impl-trait/implied_bounds_closure.stderr b/src/test/ui/type-alias-impl-trait/implied_bounds_closure.stderr deleted file mode 100644 index 151564c3b..000000000 --- a/src/test/ui/type-alias-impl-trait/implied_bounds_closure.stderr +++ /dev/null @@ -1,11 +0,0 @@ -error: lifetime may not live long enough - --> $DIR/implied_bounds_closure.rs:17:16 - | -LL | fn extend_lifetime<'a>(x: &'a str) -> &'static str { - | -- lifetime `'a` defined here -LL | let t = into_impl(x); -LL | helper(|_| t) - | ^ returning this value requires that `'a` must outlive `'static` - -error: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/implied_bounds_from_types.rs b/src/test/ui/type-alias-impl-trait/implied_bounds_from_types.rs deleted file mode 100644 index 8023cd24f..000000000 --- a/src/test/ui/type-alias-impl-trait/implied_bounds_from_types.rs +++ /dev/null @@ -1,51 +0,0 @@ -#![feature(type_alias_impl_trait)] - -type WithLifetime<T> = impl Equals<SelfType = ()>; -fn _defining_use<T>() -> WithLifetime<T> {} - -trait Convert<'a> { - type Witness; - fn convert<'b, T: ?Sized>(_proof: &'b Self::Witness, x: &'a T) -> &'b T; -} - -impl<'a> Convert<'a> for () { - type Witness = WithLifetime<&'a ()>; - - fn convert<'b, T: ?Sized>(_proof: &'b WithLifetime<&'a ()>, x: &'a T) -> &'b T { - // compiler used to think it gets to assume 'a: 'b here because - // of the `&'b WithLifetime<&'a ()>` argument - x - //~^ ERROR lifetime may not live long enough - } -} - -fn extend_lifetime<'a, 'b, T: ?Sized>(x: &'a T) -> &'b T { - WithLifetime::<&'a ()>::convert_helper::<(), T>(&(), x) -} - -trait Equals { - type SelfType; - fn convert_helper<'a, 'b, W: Convert<'a, Witness = Self>, T: ?Sized>( - proof: &'b Self::SelfType, - x: &'a T, - ) -> &'b T; -} - -impl<S> Equals for S { - type SelfType = Self; - fn convert_helper<'a, 'b, W: Convert<'a, Witness = Self>, T: ?Sized>( - proof: &'b Self, - x: &'a T, - ) -> &'b T { - W::convert(proof, x) - } -} - -fn main() { - let r; - { - let x = String::from("Hello World?"); - r = extend_lifetime(&x); - } - println!("{}", r); -} diff --git a/src/test/ui/type-alias-impl-trait/implied_bounds_from_types.stderr b/src/test/ui/type-alias-impl-trait/implied_bounds_from_types.stderr deleted file mode 100644 index cbc5e6073..000000000 --- a/src/test/ui/type-alias-impl-trait/implied_bounds_from_types.stderr +++ /dev/null @@ -1,16 +0,0 @@ -error: lifetime may not live long enough - --> $DIR/implied_bounds_from_types.rs:17:9 - | -LL | impl<'a> Convert<'a> for () { - | -- lifetime `'a` defined here -... -LL | fn convert<'b, T: ?Sized>(_proof: &'b WithLifetime<&'a ()>, x: &'a T) -> &'b T { - | -- lifetime `'b` defined here -... -LL | x - | ^ associated 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: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/implied_lifetime_wf_check.rs b/src/test/ui/type-alias-impl-trait/implied_lifetime_wf_check.rs deleted file mode 100644 index b6a7264a5..000000000 --- a/src/test/ui/type-alias-impl-trait/implied_lifetime_wf_check.rs +++ /dev/null @@ -1,27 +0,0 @@ -#![feature(type_alias_impl_trait)] - -// known-bug: #99840 -// this should not compile -// check-pass - -type Alias = impl Sized; - -fn constrain() -> Alias { - 1i32 -} - -trait HideIt { - type Assoc; -} - -impl HideIt for () { - type Assoc = Alias; -} - -pub trait Yay {} - -impl Yay for <() as HideIt>::Assoc {} -// impl Yay for i32 {} // this already errors -// impl Yay for u32 {} // this also already errors - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/implied_lifetime_wf_check3.rs b/src/test/ui/type-alias-impl-trait/implied_lifetime_wf_check3.rs deleted file mode 100644 index 07f825aea..000000000 --- a/src/test/ui/type-alias-impl-trait/implied_lifetime_wf_check3.rs +++ /dev/null @@ -1,43 +0,0 @@ -#![feature(type_alias_impl_trait)] - -mod test_lifetime_param { - type Ty<'a> = impl Sized + 'a; - fn defining(a: &str) -> Ty<'_> { a } - fn assert_static<'a: 'static>() {} - //~^ WARN: unnecessary lifetime parameter `'a` - fn test<'a>() where Ty<'a>: 'static { assert_static::<'a>() } - //~^ ERROR: lifetime may not live long enough -} - -mod test_higher_kinded_lifetime_param { - type Ty<'a> = impl Sized + 'a; - fn defining(a: &str) -> Ty<'_> { a } - fn assert_static<'a: 'static>() {} - //~^ WARN: unnecessary lifetime parameter `'a` - fn test<'a>() where for<'b> Ty<'b>: 'a { assert_static::<'a>() } - //~^ ERROR: lifetime may not live long enough -} - -mod test_higher_kinded_lifetime_param2 { - fn assert_static<'a: 'static>() {} - //~^ WARN: unnecessary lifetime parameter `'a` - fn test<'a>() { assert_static::<'a>() } - //~^ ERROR: lifetime may not live long enough -} - -mod test_type_param { - type Ty<A> = impl Sized; - fn defining<A>(s: A) -> Ty<A> { s } - fn assert_static<A: 'static>() {} - fn test<A>() where Ty<A>: 'static { assert_static::<A>() } - //~^ ERROR: parameter type `A` may not live long enough -} - -mod test_implied_from_fn_sig { - type Opaque<T: 'static> = impl Sized; - fn defining<T: 'static>() -> Opaque<T> {} - fn assert_static<T: 'static>() {} - fn test<T>(_: Opaque<T>) { assert_static::<T>(); } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/implied_lifetime_wf_check3.stderr b/src/test/ui/type-alias-impl-trait/implied_lifetime_wf_check3.stderr deleted file mode 100644 index 887620a4d..000000000 --- a/src/test/ui/type-alias-impl-trait/implied_lifetime_wf_check3.stderr +++ /dev/null @@ -1,58 +0,0 @@ -warning: unnecessary lifetime parameter `'a` - --> $DIR/implied_lifetime_wf_check3.rs:6:22 - | -LL | fn assert_static<'a: 'static>() {} - | ^^ - | - = help: you can use the `'static` lifetime directly, in place of `'a` - -warning: unnecessary lifetime parameter `'a` - --> $DIR/implied_lifetime_wf_check3.rs:15:22 - | -LL | fn assert_static<'a: 'static>() {} - | ^^ - | - = help: you can use the `'static` lifetime directly, in place of `'a` - -warning: unnecessary lifetime parameter `'a` - --> $DIR/implied_lifetime_wf_check3.rs:22:22 - | -LL | fn assert_static<'a: 'static>() {} - | ^^ - | - = help: you can use the `'static` lifetime directly, in place of `'a` - -error: lifetime may not live long enough - --> $DIR/implied_lifetime_wf_check3.rs:8:43 - | -LL | fn test<'a>() where Ty<'a>: 'static { assert_static::<'a>() } - | -- lifetime `'a` defined here ^^^^^^^^^^^^^^^^^^^ requires that `'a` must outlive `'static` - -error: lifetime may not live long enough - --> $DIR/implied_lifetime_wf_check3.rs:17:46 - | -LL | fn test<'a>() where for<'b> Ty<'b>: 'a { assert_static::<'a>() } - | -- lifetime `'a` defined here ^^^^^^^^^^^^^^^^^^^ requires that `'a` must outlive `'static` - -error: lifetime may not live long enough - --> $DIR/implied_lifetime_wf_check3.rs:24:21 - | -LL | fn test<'a>() { assert_static::<'a>() } - | -- ^^^^^^^^^^^^^^^^^^^ requires that `'a` must outlive `'static` - | | - | lifetime `'a` defined here - -error[E0310]: the parameter type `A` may not live long enough - --> $DIR/implied_lifetime_wf_check3.rs:32:41 - | -LL | fn test<A>() where Ty<A>: 'static { assert_static::<A>() } - | ^^^^^^^^^^^^^^^^^^ ...so that the type `A` will meet its required lifetime bounds - | -help: consider adding an explicit lifetime bound... - | -LL | fn test<A: 'static>() where Ty<A>: 'static { assert_static::<A>() } - | +++++++++ - -error: aborting due to 4 previous errors; 3 warnings emitted - -For more information about this error, try `rustc --explain E0310`. diff --git a/src/test/ui/type-alias-impl-trait/implied_lifetime_wf_check4_static.rs b/src/test/ui/type-alias-impl-trait/implied_lifetime_wf_check4_static.rs deleted file mode 100644 index ac32dbde0..000000000 --- a/src/test/ui/type-alias-impl-trait/implied_lifetime_wf_check4_static.rs +++ /dev/null @@ -1,11 +0,0 @@ -#![feature(type_alias_impl_trait)] - -mod test_type_param_static { - type Ty<A> = impl Sized + 'static; - //~^ ERROR: the parameter type `A` may not live long enough - fn defining<A: 'static>(s: A) -> Ty<A> { s } - fn assert_static<A: 'static>() {} - fn test<A>() where Ty<A>: 'static { assert_static::<A>() } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/implied_lifetime_wf_check4_static.stderr b/src/test/ui/type-alias-impl-trait/implied_lifetime_wf_check4_static.stderr deleted file mode 100644 index 47bc31e78..000000000 --- a/src/test/ui/type-alias-impl-trait/implied_lifetime_wf_check4_static.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error[E0310]: the parameter type `A` may not live long enough - --> $DIR/implied_lifetime_wf_check4_static.rs:4:18 - | -LL | type Ty<A> = impl Sized + 'static; - | ^^^^^^^^^^^^^^^^^^^^ ...so that the type `A` will meet its required lifetime bounds - | -help: consider adding an explicit lifetime bound... - | -LL | type Ty<A: 'static> = impl Sized + 'static; - | +++++++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0310`. diff --git a/src/test/ui/type-alias-impl-trait/imply_bounds_from_bounds.rs b/src/test/ui/type-alias-impl-trait/imply_bounds_from_bounds.rs deleted file mode 100644 index ee9bce15d..000000000 --- a/src/test/ui/type-alias-impl-trait/imply_bounds_from_bounds.rs +++ /dev/null @@ -1,25 +0,0 @@ -// check-pass - -#![feature(type_alias_impl_trait)] - -trait Callable { - type Output; - fn call() -> Self::Output; -} - -impl<'a> Callable for &'a () { - type Output = impl Sized; - fn call() -> Self::Output {} -} - -fn test<'a>() -> impl Sized { - <&'a () as Callable>::call() -} - -fn want_static<T: 'static>(_: T) {} - -fn test2<'a>() { - want_static(<&'a () as Callable>::call()); -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/imply_bounds_from_bounds_param.rs b/src/test/ui/type-alias-impl-trait/imply_bounds_from_bounds_param.rs deleted file mode 100644 index ae21a9134..000000000 --- a/src/test/ui/type-alias-impl-trait/imply_bounds_from_bounds_param.rs +++ /dev/null @@ -1,38 +0,0 @@ -#![feature(type_alias_impl_trait)] - -trait Callable { - type Output; - fn call(x: Self) -> Self::Output; -} - -trait PlusOne { - fn plus_one(&mut self); -} - -impl<'a> PlusOne for &'a mut i32 { - fn plus_one(&mut self) { - **self += 1; - } -} - -impl<T: PlusOne> Callable for T { - type Output = impl PlusOne; - fn call(t: T) -> Self::Output { t } -} - -fn test<'a>(y: &'a mut i32) -> impl PlusOne { - <&'a mut i32 as Callable>::call(y) - //~^ ERROR hidden type for `impl PlusOne` captures lifetime that does not appear in bounds -} - -fn main() { - let mut z = 42; - let mut thing = test(&mut z); - let mut thing2 = test(&mut z); - thing.plus_one(); - assert_eq!(z, 43); - thing2.plus_one(); - assert_eq!(z, 44); - thing.plus_one(); - assert_eq!(z, 45); -} diff --git a/src/test/ui/type-alias-impl-trait/imply_bounds_from_bounds_param.stderr b/src/test/ui/type-alias-impl-trait/imply_bounds_from_bounds_param.stderr deleted file mode 100644 index 0ed8a703b..000000000 --- a/src/test/ui/type-alias-impl-trait/imply_bounds_from_bounds_param.stderr +++ /dev/null @@ -1,16 +0,0 @@ -error[E0700]: hidden type for `impl PlusOne` captures lifetime that does not appear in bounds - --> $DIR/imply_bounds_from_bounds_param.rs:24:5 - | -LL | fn test<'a>(y: &'a mut i32) -> impl PlusOne { - | -- hidden type `<&'a mut i32 as Callable>::Output` captures the lifetime `'a` as defined here -LL | <&'a mut i32 as Callable>::call(y) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | -help: to declare that `impl PlusOne` captures `'a`, you can add an explicit `'a` lifetime bound - | -LL | fn test<'a>(y: &'a mut i32) -> impl PlusOne + 'a { - | ++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0700`. diff --git a/src/test/ui/type-alias-impl-trait/incoherent-assoc-imp-trait.rs b/src/test/ui/type-alias-impl-trait/incoherent-assoc-imp-trait.rs deleted file mode 100644 index 685d76ee3..000000000 --- a/src/test/ui/type-alias-impl-trait/incoherent-assoc-imp-trait.rs +++ /dev/null @@ -1,15 +0,0 @@ -// Regression test for issue 67856 - -#![feature(unboxed_closures)] -#![feature(type_alias_impl_trait)] -#![feature(fn_traits)] - -trait MyTrait {} -impl MyTrait for () {} - -impl<F> FnOnce<()> for &F { - //~^ ERROR type parameter `F` must be used - type Output = impl MyTrait; - extern "rust-call" fn call_once(self, _: ()) -> Self::Output {} -} -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/incoherent-assoc-imp-trait.stderr b/src/test/ui/type-alias-impl-trait/incoherent-assoc-imp-trait.stderr deleted file mode 100644 index b93ea955c..000000000 --- a/src/test/ui/type-alias-impl-trait/incoherent-assoc-imp-trait.stderr +++ /dev/null @@ -1,12 +0,0 @@ -error[E0210]: type parameter `F` must be used as the type parameter for some local type (e.g., `MyStruct<F>`) - --> $DIR/incoherent-assoc-imp-trait.rs:10:6 - | -LL | impl<F> FnOnce<()> for &F { - | ^ type parameter `F` must be used as the type parameter for some local type - | - = note: implementing a foreign trait is only possible if at least one of the types for which it is implemented is local - = note: only traits defined in the current crate can be implemented for a type parameter - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0210`. diff --git a/src/test/ui/type-alias-impl-trait/incomplete-inference.rs b/src/test/ui/type-alias-impl-trait/incomplete-inference.rs deleted file mode 100644 index 4c8bf2cfc..000000000 --- a/src/test/ui/type-alias-impl-trait/incomplete-inference.rs +++ /dev/null @@ -1,14 +0,0 @@ -#![feature(type_alias_impl_trait)] - -type Foo = impl Sized; - -fn bar() -> Foo { - None - //~^ ERROR: type annotations needed [E0282] -} - -fn baz() -> Foo { - Some(()) -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/incomplete-inference.stderr b/src/test/ui/type-alias-impl-trait/incomplete-inference.stderr deleted file mode 100644 index 9a0e71b4e..000000000 --- a/src/test/ui/type-alias-impl-trait/incomplete-inference.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error[E0282]: type annotations needed - --> $DIR/incomplete-inference.rs:6:5 - | -LL | None - | ^^^^ cannot infer type of the type parameter `T` declared on the enum `Option` - | -help: consider specifying the generic argument - | -LL | None::<T> - | +++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0282`. diff --git a/src/test/ui/type-alias-impl-trait/inference-cycle.rs b/src/test/ui/type-alias-impl-trait/inference-cycle.rs deleted file mode 100644 index 79caddf79..000000000 --- a/src/test/ui/type-alias-impl-trait/inference-cycle.rs +++ /dev/null @@ -1,25 +0,0 @@ -#![feature(type_alias_impl_trait)] -#![allow(dead_code)] - -mod m { - type Foo = impl std::fmt::Debug; - //~^ ERROR cycle detected - - // Cycle: error today, but it'd be nice if it eventually worked - - pub fn foo() -> Foo { - is_send(bar()) - } - - pub fn bar() { - is_send(foo()); // Today: error - } - - fn baz() { - let f: Foo = 22_u32; - } - - fn is_send<T: Send>(_: T) {} -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/inference-cycle.stderr b/src/test/ui/type-alias-impl-trait/inference-cycle.stderr deleted file mode 100644 index b9d646b92..000000000 --- a/src/test/ui/type-alias-impl-trait/inference-cycle.stderr +++ /dev/null @@ -1,22 +0,0 @@ -error[E0391]: cycle detected when computing type of `m::Foo::{opaque#0}` - --> $DIR/inference-cycle.rs:5:16 - | -LL | type Foo = impl std::fmt::Debug; - | ^^^^^^^^^^^^^^^^^^^^ - | -note: ...which requires type-checking `m::bar`... - --> $DIR/inference-cycle.rs:15:9 - | -LL | is_send(foo()); // Today: error - | ^^^^^^^ - = note: ...which requires evaluating trait selection obligation `m::Foo: core::marker::Send`... - = note: ...which again requires computing type of `m::Foo::{opaque#0}`, completing the cycle -note: cycle used when checking item types in module `m` - --> $DIR/inference-cycle.rs:4:1 - | -LL | mod m { - | ^^^^^ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0391`. diff --git a/src/test/ui/type-alias-impl-trait/issue-101750.rs b/src/test/ui/type-alias-impl-trait/issue-101750.rs deleted file mode 100644 index f564f4fa7..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-101750.rs +++ /dev/null @@ -1,37 +0,0 @@ -#![feature(type_alias_impl_trait)] - -// check-pass - -trait Trait {} - -type TAIT = impl Trait; - -struct Concrete; -impl Trait for Concrete {} - -fn tait() -> TAIT { - Concrete -} - -trait OuterTrait { - type Item; -} -struct Dummy<T> { - t: T, -} -impl<T> OuterTrait for Dummy<T> { - type Item = T; -} - -fn tait_and_impl_trait() -> impl OuterTrait<Item = (TAIT, impl Trait)> { - Dummy { - t: (tait(), Concrete), - } -} - -fn tait_and_dyn_trait() -> impl OuterTrait<Item = (TAIT, Box<dyn Trait>)> { - let b: Box<dyn Trait> = Box::new(Concrete); - Dummy { t: (tait(), b) } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-52843-closure-constrain.rs b/src/test/ui/type-alias-impl-trait/issue-52843-closure-constrain.rs deleted file mode 100644 index 50eeff0b1..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-52843-closure-constrain.rs +++ /dev/null @@ -1,13 +0,0 @@ -// Checks to ensure that we properly detect when a closure constrains an opaque type - -#![feature(type_alias_impl_trait)] - -use std::fmt::Debug; - -fn main() { - type Opaque = impl Debug; - fn _unused() -> Opaque { String::new() } - let null = || -> Opaque { 0 }; - //~^ ERROR: concrete type differs from previous defining opaque type use - println!("{:?}", null()); -} diff --git a/src/test/ui/type-alias-impl-trait/issue-52843-closure-constrain.stderr b/src/test/ui/type-alias-impl-trait/issue-52843-closure-constrain.stderr deleted file mode 100644 index 4c5fd2255..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-52843-closure-constrain.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error: concrete type differs from previous defining opaque type use - --> $DIR/issue-52843-closure-constrain.rs:10:31 - | -LL | let null = || -> Opaque { 0 }; - | ^ expected `String`, got `i32` - | -note: previous use here - --> $DIR/issue-52843-closure-constrain.rs:9:30 - | -LL | fn _unused() -> Opaque { String::new() } - | ^^^^^^^^^^^^^ - -error: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/issue-52843.rs b/src/test/ui/type-alias-impl-trait/issue-52843.rs deleted file mode 100644 index 159d3ccd2..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-52843.rs +++ /dev/null @@ -1,15 +0,0 @@ -#![feature(type_alias_impl_trait)] - -type Foo<T> = impl Default; - -#[allow(unused)] -fn foo<T: Default>(t: T) -> Foo<T> { - t - //~^ ERROR: the trait bound `T: Default` is not satisfied -} - -struct NotDefault; - -fn main() { - let _ = Foo::<NotDefault>::default(); -} diff --git a/src/test/ui/type-alias-impl-trait/issue-52843.stderr b/src/test/ui/type-alias-impl-trait/issue-52843.stderr deleted file mode 100644 index acd40f980..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-52843.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error[E0277]: the trait bound `T: Default` is not satisfied - --> $DIR/issue-52843.rs:7:5 - | -LL | t - | ^ the trait `Default` is not implemented for `T` - | -help: consider restricting type parameter `T` - | -LL | type Foo<T: std::default::Default> = impl Default; - | +++++++++++++++++++++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/issue-53092-2.rs b/src/test/ui/type-alias-impl-trait/issue-53092-2.rs deleted file mode 100644 index 438ac35fd..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-53092-2.rs +++ /dev/null @@ -1,15 +0,0 @@ -#![feature(type_alias_impl_trait)] -#![allow(dead_code)] - -type Bug<T, U> = impl Fn(T) -> U + Copy; //~ ERROR cycle detected - -const CONST_BUG: Bug<u8, ()> = unsafe { std::mem::transmute(|_: u8| ()) }; -//~^ ERROR: cannot transmute - -fn make_bug<T, U: From<T>>() -> Bug<T, U> { - |x| x.into() //~ ERROR the trait bound `U: From<T>` is not satisfied -} - -fn main() { - CONST_BUG(0); -} diff --git a/src/test/ui/type-alias-impl-trait/issue-53092-2.stderr b/src/test/ui/type-alias-impl-trait/issue-53092-2.stderr deleted file mode 100644 index 1b89d5571..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-53092-2.stderr +++ /dev/null @@ -1,55 +0,0 @@ -error[E0391]: cycle detected when computing type of `Bug::{opaque#0}` - --> $DIR/issue-53092-2.rs:4:18 - | -LL | type Bug<T, U> = impl Fn(T) -> U + Copy; - | ^^^^^^^^^^^^^^^^^^^^^^ - | -note: ...which requires type-checking `CONST_BUG`... - --> $DIR/issue-53092-2.rs:6:1 - | -LL | const CONST_BUG: Bug<u8, ()> = unsafe { std::mem::transmute(|_: u8| ()) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: ...which requires computing layout of `Bug<u8, ()>`... - = note: ...which requires normalizing `Bug<u8, ()>`... - = note: ...which again requires computing type of `Bug::{opaque#0}`, completing the cycle -note: cycle used when checking item types in top-level module - --> $DIR/issue-53092-2.rs:1:1 - | -LL | / #![feature(type_alias_impl_trait)] -LL | | #![allow(dead_code)] -LL | | -LL | | type Bug<T, U> = impl Fn(T) -> U + Copy; -... | -LL | | CONST_BUG(0); -LL | | } - | |_^ - -error[E0512]: cannot transmute between types of different sizes, or dependently-sized types - --> $DIR/issue-53092-2.rs:6:41 - | -LL | const CONST_BUG: Bug<u8, ()> = unsafe { std::mem::transmute(|_: u8| ()) }; - | ^^^^^^^^^^^^^^^^^^^ - | - = note: source type: `[closure@$DIR/issue-53092-2.rs:6:61: 6:68]` (0 bits) - = note: target type: `Bug<u8, ()>` (size can vary because of [type error]) - -error[E0277]: the trait bound `U: From<T>` is not satisfied - --> $DIR/issue-53092-2.rs:10:5 - | -LL | |x| x.into() - | ^^^^^^^^^^^^ the trait `From<T>` is not implemented for `U` - | -note: required by a bound in `make_bug` - --> $DIR/issue-53092-2.rs:9:19 - | -LL | fn make_bug<T, U: From<T>>() -> Bug<T, U> { - | ^^^^^^^ required by this bound in `make_bug` -help: consider restricting type parameter `U` - | -LL | type Bug<T, U: std::convert::From<T>> = impl Fn(T) -> U + Copy; - | +++++++++++++++++++++++ - -error: aborting due to 3 previous errors - -Some errors have detailed explanations: E0277, E0391, E0512. -For more information about an error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/issue-53092.rs b/src/test/ui/type-alias-impl-trait/issue-53092.rs deleted file mode 100644 index 1be5b46d6..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-53092.rs +++ /dev/null @@ -1,19 +0,0 @@ -#![feature(type_alias_impl_trait)] -#![allow(dead_code)] - -type Bug<T, U> = impl Fn(T) -> U + Copy; - -union Moo { - x: Bug<u8, ()>, - y: (), -} - -const CONST_BUG: Bug<u8, ()> = unsafe { Moo { y: () }.x }; - -fn make_bug<T, U: From<T>>() -> Bug<T, U> { - |x| x.into() //~ ERROR the trait bound `U: From<T>` is not satisfied -} - -fn main() { - CONST_BUG(0); -} diff --git a/src/test/ui/type-alias-impl-trait/issue-53092.stderr b/src/test/ui/type-alias-impl-trait/issue-53092.stderr deleted file mode 100644 index 2109cf8a7..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-53092.stderr +++ /dev/null @@ -1,19 +0,0 @@ -error[E0277]: the trait bound `U: From<T>` is not satisfied - --> $DIR/issue-53092.rs:14:5 - | -LL | |x| x.into() - | ^^^^^^^^^^^^ the trait `From<T>` is not implemented for `U` - | -note: required by a bound in `make_bug` - --> $DIR/issue-53092.rs:13:19 - | -LL | fn make_bug<T, U: From<T>>() -> Bug<T, U> { - | ^^^^^^^ required by this bound in `make_bug` -help: consider restricting type parameter `U` - | -LL | type Bug<T, U: std::convert::From<T>> = impl Fn(T) -> U + Copy; - | +++++++++++++++++++++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/issue-53096.rs b/src/test/ui/type-alias-impl-trait/issue-53096.rs deleted file mode 100644 index 007dcf3bc..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-53096.rs +++ /dev/null @@ -1,11 +0,0 @@ -#![feature(rustc_attrs)] -#![feature(type_alias_impl_trait)] - -type Foo = impl Fn() -> usize; -const fn bar() -> Foo { - || 0usize -} -const BAZR: Foo = bar(); - -#[rustc_error] -fn main() {} //~ ERROR diff --git a/src/test/ui/type-alias-impl-trait/issue-53096.stderr b/src/test/ui/type-alias-impl-trait/issue-53096.stderr deleted file mode 100644 index 0af3a75f8..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-53096.stderr +++ /dev/null @@ -1,8 +0,0 @@ -error: fatal error triggered by #[rustc_error] - --> $DIR/issue-53096.rs:11:1 - | -LL | fn main() {} - | ^^^^^^^^^ - -error: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/issue-53398-cyclic-types.rs b/src/test/ui/type-alias-impl-trait/issue-53398-cyclic-types.rs deleted file mode 100644 index 4a11bb502..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-53398-cyclic-types.rs +++ /dev/null @@ -1,10 +0,0 @@ -#![feature(type_alias_impl_trait)] - -type Foo = impl Fn() -> Foo; - -fn foo() -> Foo { -//~^ ERROR: overflow evaluating the requirement - foo -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-53398-cyclic-types.stderr b/src/test/ui/type-alias-impl-trait/issue-53398-cyclic-types.stderr deleted file mode 100644 index 0a34e8486..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-53398-cyclic-types.stderr +++ /dev/null @@ -1,12 +0,0 @@ -error[E0275]: overflow evaluating the requirement `Foo: Sized` - --> $DIR/issue-53398-cyclic-types.rs:5:13 - | -LL | fn foo() -> Foo { - | ^^^ - | - = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`issue_53398_cyclic_types`) - = note: required because it appears within the type `fn() -> Foo {foo}` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0275`. diff --git a/src/test/ui/type-alias-impl-trait/issue-53598.rs b/src/test/ui/type-alias-impl-trait/issue-53598.rs deleted file mode 100644 index 9c1cbf926..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-53598.rs +++ /dev/null @@ -1,27 +0,0 @@ -#![feature(type_alias_impl_trait)] - -use std::fmt::Debug; - -pub trait Foo { - type Item: Debug; - - fn foo<T: Debug>(_: T) -> Self::Item; -} - -#[derive(Debug)] -pub struct S<T>(std::marker::PhantomData<T>); - -pub struct S2; - -impl Foo for S2 { - type Item = impl Debug; - - fn foo<T: Debug>(_: T) -> Self::Item { - S::<T>(Default::default()) - //~^ Error type parameter `T` is part of concrete type but not used in parameter list for the `impl Trait` type alias - } -} - -fn main() { - S2::foo(123); -} diff --git a/src/test/ui/type-alias-impl-trait/issue-53598.stderr b/src/test/ui/type-alias-impl-trait/issue-53598.stderr deleted file mode 100644 index f8b8201e2..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-53598.stderr +++ /dev/null @@ -1,8 +0,0 @@ -error: type parameter `T` is part of concrete type but not used in parameter list for the `impl Trait` type alias - --> $DIR/issue-53598.rs:20:9 - | -LL | S::<T>(Default::default()) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/issue-53678-generator-and-const-fn.rs b/src/test/ui/type-alias-impl-trait/issue-53678-generator-and-const-fn.rs deleted file mode 100644 index a3f126d56..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-53678-generator-and-const-fn.rs +++ /dev/null @@ -1,19 +0,0 @@ -#![feature(generators, generator_trait, rustc_attrs)] -#![feature(type_alias_impl_trait)] - -use std::ops::Generator; - -type GenOnce<Y, R> = impl Generator<Yield = Y, Return = R>; - -const fn const_generator<Y, R>(yielding: Y, returning: R) -> GenOnce<Y, R> { - move || { - yield yielding; - - return returning; - } -} - -const FOO: GenOnce<usize, usize> = const_generator(10, 100); - -#[rustc_error] -fn main() {} //~ ERROR diff --git a/src/test/ui/type-alias-impl-trait/issue-53678-generator-and-const-fn.stderr b/src/test/ui/type-alias-impl-trait/issue-53678-generator-and-const-fn.stderr deleted file mode 100644 index eb1c9603a..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-53678-generator-and-const-fn.stderr +++ /dev/null @@ -1,8 +0,0 @@ -error: fatal error triggered by #[rustc_error] - --> $DIR/issue-53678-generator-and-const-fn.rs:19:1 - | -LL | fn main() {} - | ^^^^^^^^^ - -error: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/issue-55099-lifetime-inference.rs b/src/test/ui/type-alias-impl-trait/issue-55099-lifetime-inference.rs deleted file mode 100644 index af0780ab0..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-55099-lifetime-inference.rs +++ /dev/null @@ -1,26 +0,0 @@ -// check-pass -// Regression test for issue #55099 -// Tests that we don't incorrectly consider a lifetime to part -// of the concrete type - -#![feature(type_alias_impl_trait)] - -trait Future {} - -struct AndThen<F>(F); - -impl<F> Future for AndThen<F> {} - -struct Foo<'a> { - x: &'a mut (), -} - -type F = impl Future; - -impl<'a> Foo<'a> { - fn reply(&mut self) -> F { - AndThen(|| ()) - } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-57188-associate-impl-capture.rs b/src/test/ui/type-alias-impl-trait/issue-57188-associate-impl-capture.rs deleted file mode 100644 index 3a7a5da07..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-57188-associate-impl-capture.rs +++ /dev/null @@ -1,24 +0,0 @@ -// Regression test for #57188 - -// check-pass - -#![feature(type_alias_impl_trait)] - -struct Baz<'a> { - source: &'a str, -} - -trait Foo<'a> { - type T: Iterator<Item = Baz<'a>> + 'a; - fn foo(source: &'a str) -> Self::T; -} - -struct Bar; -impl<'a> Foo<'a> for Bar { - type T = impl Iterator<Item = Baz<'a>> + 'a; - fn foo(source: &'a str) -> Self::T { - std::iter::once(Baz { source }) - } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-57611-trait-alias.rs b/src/test/ui/type-alias-impl-trait/issue-57611-trait-alias.rs deleted file mode 100644 index cad3e0f66..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-57611-trait-alias.rs +++ /dev/null @@ -1,26 +0,0 @@ -// check-pass -// Regression test for issue #57611 -// Ensures that we don't ICE - -#![feature(trait_alias)] -#![feature(type_alias_impl_trait)] - -trait Foo { - type Bar: Baz<Self, Self>; - - fn bar(&self) -> Self::Bar; -} - -struct X; - -impl Foo for X { - type Bar = impl Baz<Self, Self>; - - fn bar(&self) -> Self::Bar { - |x| x - } -} - -trait Baz<A: ?Sized, B: ?Sized> = Fn(&A) -> &B; - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-57700.rs b/src/test/ui/type-alias-impl-trait/issue-57700.rs deleted file mode 100644 index 484589387..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-57700.rs +++ /dev/null @@ -1,21 +0,0 @@ -#![feature(arbitrary_self_types)] -#![feature(type_alias_impl_trait)] - -use std::ops::Deref; - -trait Foo { - type Bar: Foo; - - fn foo(self: impl Deref<Target = Self>) -> Self::Bar; -} - -impl<C> Foo for C { - type Bar = impl Foo; - - fn foo(self: impl Deref<Target = Self>) -> Self::Bar { - self - //~^ Error type parameter `impl Deref<Target = Self>` is part of concrete type but not used in parameter list for the `impl Trait` type alias - } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-57700.stderr b/src/test/ui/type-alias-impl-trait/issue-57700.stderr deleted file mode 100644 index 31b6df5d4..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-57700.stderr +++ /dev/null @@ -1,8 +0,0 @@ -error: type parameter `impl Deref<Target = Self>` is part of concrete type but not used in parameter list for the `impl Trait` type alias - --> $DIR/issue-57700.rs:16:9 - | -LL | self - | ^^^^ - -error: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/issue-57807-associated-type.rs b/src/test/ui/type-alias-impl-trait/issue-57807-associated-type.rs deleted file mode 100644 index fcab2c7db..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-57807-associated-type.rs +++ /dev/null @@ -1,31 +0,0 @@ -// Regression test for issue #57807 - ensure -// that we properly unify associated types within -// a type alias impl trait -// check-pass -#![feature(type_alias_impl_trait)] - -trait Bar { - type A; -} - -impl Bar for () { - type A = (); -} - -trait Foo { - type A; - type B: Bar<A = Self::A>; - - fn foo() -> Self::B; -} - -impl Foo for () { - type A = (); - type B = impl Bar<A = Self::A>; - - fn foo() -> Self::B { - () - } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-57961.rs b/src/test/ui/type-alias-impl-trait/issue-57961.rs deleted file mode 100644 index 24b3a0458..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-57961.rs +++ /dev/null @@ -1,18 +0,0 @@ -#![feature(type_alias_impl_trait)] - -type X = impl Sized; - -trait Foo { - type Bar: Iterator<Item = X>; -} - -impl Foo for () { - type Bar = std::vec::IntoIter<u32>; - //~^ ERROR expected `std::vec::IntoIter<u32>` to be an iterator that yields `X`, but it yields `u32` -} - -fn incoherent() { - let f: X = 22_i32; -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-57961.stderr b/src/test/ui/type-alias-impl-trait/issue-57961.stderr deleted file mode 100644 index fb40895c4..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-57961.stderr +++ /dev/null @@ -1,20 +0,0 @@ -error[E0271]: expected `std::vec::IntoIter<u32>` to be an iterator that yields `X`, but it yields `u32` - --> $DIR/issue-57961.rs:10:16 - | -LL | type X = impl Sized; - | ---------- the expected opaque type -... -LL | type Bar = std::vec::IntoIter<u32>; - | ^^^^^^^^^^^^^^^^^^^^^^^ expected opaque type, found `u32` - | - = note: expected opaque type `X` - found type `u32` -note: required by a bound in `Foo::Bar` - --> $DIR/issue-57961.rs:6:24 - | -LL | type Bar: Iterator<Item = X>; - | ^^^^^^^^ required by this bound in `Foo::Bar` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0271`. diff --git a/src/test/ui/type-alias-impl-trait/issue-58662-generator-with-lifetime.rs b/src/test/ui/type-alias-impl-trait/issue-58662-generator-with-lifetime.rs deleted file mode 100644 index 477b61390..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-58662-generator-with-lifetime.rs +++ /dev/null @@ -1,39 +0,0 @@ -// check-pass - -#![feature(generators, generator_trait)] -#![feature(type_alias_impl_trait)] - -use std::ops::{Generator, GeneratorState}; -use std::pin::Pin; - -type RandGenerator<'a> = impl Generator<Return = (), Yield = u64> + 'a; -fn rand_generator<'a>(rng: &'a ()) -> RandGenerator<'a> { - move || { - let _rng = rng; - loop { - yield 0; - } - } -} - -pub type RandGeneratorWithIndirection<'c> = impl Generator<Return = (), Yield = u64> + 'c; -pub fn rand_generator_with_indirection<'a>(rng: &'a ()) -> RandGeneratorWithIndirection<'a> { - fn helper<'b>(rng: &'b ()) -> impl 'b + Generator<Return = (), Yield = u64> { - move || { - let _rng = rng; - loop { - yield 0; - } - } - } - - helper(rng) -} - -fn main() { - let mut gen = rand_generator(&()); - match unsafe { Pin::new_unchecked(&mut gen) }.resume(()) { - GeneratorState::Yielded(_) => {} - GeneratorState::Complete(_) => {} - }; -} diff --git a/src/test/ui/type-alias-impl-trait/issue-58662-simplified.rs b/src/test/ui/type-alias-impl-trait/issue-58662-simplified.rs deleted file mode 100644 index 27ca7d0fd..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-58662-simplified.rs +++ /dev/null @@ -1,20 +0,0 @@ -// check-pass - -#![feature(generators, generator_trait)] -#![feature(type_alias_impl_trait)] - -trait Trait {} - -impl<T> Trait for T {} - -type Foo<'c> = impl Trait + 'c; -fn foo<'a>(rng: &'a ()) -> Foo<'a> { - fn helper<'b>(rng: &'b ()) -> impl 'b + Trait { - rng - } - - helper(rng) -} - -fn main() { -} diff --git a/src/test/ui/type-alias-impl-trait/issue-58887.rs b/src/test/ui/type-alias-impl-trait/issue-58887.rs deleted file mode 100644 index 96ac78602..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-58887.rs +++ /dev/null @@ -1,22 +0,0 @@ -// run-pass - -#![feature(type_alias_impl_trait)] - -trait UnwrapItemsExt { - type Iter; - fn unwrap_items(self) -> Self::Iter; -} - -impl<I, T, E> UnwrapItemsExt for I -where - I: Iterator<Item = Result<T, E>>, - E: std::fmt::Debug, -{ - type Iter = impl Iterator<Item = T>; - - fn unwrap_items(self) -> Self::Iter { - self.map(|x| x.unwrap()) - } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-58951-2.rs b/src/test/ui/type-alias-impl-trait/issue-58951-2.rs deleted file mode 100644 index e4ba7f8e2..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-58951-2.rs +++ /dev/null @@ -1,18 +0,0 @@ -// check-pass - -#![feature(type_alias_impl_trait)] - -mod defining_use_scope { - pub type A = impl Iterator; - - pub fn def_a() -> A { - 0..1 - } -} -use defining_use_scope::*; - -pub fn use_a() { - def_a().map(|x| x); -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-58951.rs b/src/test/ui/type-alias-impl-trait/issue-58951.rs deleted file mode 100644 index 7303cbab4..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-58951.rs +++ /dev/null @@ -1,15 +0,0 @@ -// check-pass - -#![feature(type_alias_impl_trait)] - -type A = impl Iterator; - -fn def_a() -> A { - 0..1 -} - -pub fn use_a() { - def_a().map(|x| x); -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-60371.rs b/src/test/ui/type-alias-impl-trait/issue-60371.rs deleted file mode 100644 index 9a40f3d9b..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-60371.rs +++ /dev/null @@ -1,14 +0,0 @@ -trait Bug { - type Item: Bug; - - const FUN: fn() -> Self::Item; -} - -impl Bug for &() { - type Item = impl Bug; //~ ERROR `impl Trait` in type aliases is unstable - - const FUN: fn() -> Self::Item = || (); - //~^ ERROR the trait bound `(): Bug` is not satisfied -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-60371.stderr b/src/test/ui/type-alias-impl-trait/issue-60371.stderr deleted file mode 100644 index d0c04371b..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-60371.stderr +++ /dev/null @@ -1,21 +0,0 @@ -error[E0658]: `impl Trait` in type aliases is unstable - --> $DIR/issue-60371.rs:8:17 - | -LL | type Item = impl Bug; - | ^^^^^^^^ - | - = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information - = help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable - -error[E0277]: the trait bound `(): Bug` is not satisfied - --> $DIR/issue-60371.rs:10:40 - | -LL | const FUN: fn() -> Self::Item = || (); - | ^^ the trait `Bug` is not implemented for `()` - | - = help: the trait `Bug` is implemented for `&()` - -error: aborting due to 2 previous errors - -Some errors have detailed explanations: E0277, E0658. -For more information about an error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/issue-60407.rs b/src/test/ui/type-alias-impl-trait/issue-60407.rs deleted file mode 100644 index b833429c7..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-60407.rs +++ /dev/null @@ -1,15 +0,0 @@ -#![feature(type_alias_impl_trait, rustc_attrs)] - -type Debuggable = impl core::fmt::Debug; - -static mut TEST: Option<Debuggable> = None; - -#[rustc_error] -fn main() { - //~^ ERROR - unsafe { TEST = Some(foo()) } -} - -fn foo() -> Debuggable { - 0u32 -} diff --git a/src/test/ui/type-alias-impl-trait/issue-60407.stderr b/src/test/ui/type-alias-impl-trait/issue-60407.stderr deleted file mode 100644 index fecee2779..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-60407.stderr +++ /dev/null @@ -1,8 +0,0 @@ -error: fatal error triggered by #[rustc_error] - --> $DIR/issue-60407.rs:8:1 - | -LL | fn main() { - | ^^^^^^^^^ - -error: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/issue-60564-working.rs b/src/test/ui/type-alias-impl-trait/issue-60564-working.rs deleted file mode 100644 index 38accc824..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-60564-working.rs +++ /dev/null @@ -1,24 +0,0 @@ -#![feature(type_alias_impl_trait)] - -// check-pass - -trait IterBits { - type BitsIter: Iterator<Item = u8>; - fn iter_bits(self, n: u8) -> Self::BitsIter; -} - -impl<T: Copy, E> IterBits for T -where - T: std::ops::Shr<Output = T> - + std::ops::BitAnd<T, Output = T> - + std::convert::From<u8> - + std::convert::TryInto<u8, Error = E>, - E: std::fmt::Debug, -{ - type BitsIter = impl std::iter::Iterator<Item = u8>; - fn iter_bits(self, n: u8) -> Self::BitsIter { - (0u8..n).rev().map(move |shift| ((self >> T::from(shift)) & T::from(1)).try_into().unwrap()) - } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-60564.rs b/src/test/ui/type-alias-impl-trait/issue-60564.rs deleted file mode 100644 index 4fc767931..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-60564.rs +++ /dev/null @@ -1,25 +0,0 @@ -#![feature(type_alias_impl_trait)] - -trait IterBits { - type BitsIter: Iterator<Item = u8>; - fn iter_bits(self, n: u8) -> Self::BitsIter; -} - -type IterBitsIter<T, E, I> = impl std::iter::Iterator<Item = I>; - -impl<T: Copy, E> IterBits for T -where - T: std::ops::Shr<Output = T> - + std::ops::BitAnd<T, Output = T> - + std::convert::From<u8> - + std::convert::TryInto<u8, Error = E>, - E: std::fmt::Debug, -{ - type BitsIter = IterBitsIter<T, E, u8>; - fn iter_bits(self, n: u8) -> Self::BitsIter { - (0u8..n).rev().map(move |shift| ((self >> T::from(shift)) & T::from(1)).try_into().unwrap()) - //~^ ERROR non-defining opaque type use in defining scope - } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-60564.stderr b/src/test/ui/type-alias-impl-trait/issue-60564.stderr deleted file mode 100644 index bbc93657b..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-60564.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error: non-defining opaque type use in defining scope - --> $DIR/issue-60564.rs:20:9 - | -LL | (0u8..n).rev().map(move |shift| ((self >> T::from(shift)) & T::from(1)).try_into().unwrap()) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | -note: used non-generic type `u8` for generic parameter - --> $DIR/issue-60564.rs:8:25 - | -LL | type IterBitsIter<T, E, I> = impl std::iter::Iterator<Item = I>; - | ^ - -error: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/issue-60662.rs b/src/test/ui/type-alias-impl-trait/issue-60662.rs deleted file mode 100644 index b9faa668b..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-60662.rs +++ /dev/null @@ -1,10 +0,0 @@ -// check-pass -// compile-flags: -Z unpretty=hir - -#![feature(type_alias_impl_trait)] - -trait Animal {} - -fn main() { - pub type ServeFut = impl Animal; -} diff --git a/src/test/ui/type-alias-impl-trait/issue-60662.stdout b/src/test/ui/type-alias-impl-trait/issue-60662.stdout deleted file mode 100644 index 5b3d7375d..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-60662.stdout +++ /dev/null @@ -1,14 +0,0 @@ -// check-pass -// compile-flags: -Z unpretty=hir - -#![feature(type_alias_impl_trait)] -#[prelude_import] -use ::std::prelude::rust_2015::*; -#[macro_use] -extern crate std; - -trait Animal { } - -fn main() { - type ServeFut = /*impl Trait*/; - } diff --git a/src/test/ui/type-alias-impl-trait/issue-62000-associate-impl-trait-lifetimes.rs b/src/test/ui/type-alias-impl-trait/issue-62000-associate-impl-trait-lifetimes.rs deleted file mode 100644 index 36779a0ce..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-62000-associate-impl-trait-lifetimes.rs +++ /dev/null @@ -1,38 +0,0 @@ -// Regression test for #62988 - -// check-pass - -#![feature(type_alias_impl_trait)] - -trait MyTrait { - type AssocType: Send; - fn ret(&self) -> Self::AssocType; -} - -impl MyTrait for () { - type AssocType = impl Send; - fn ret(&self) -> Self::AssocType { - () - } -} - -impl<'a> MyTrait for &'a () { - type AssocType = impl Send; - fn ret(&self) -> Self::AssocType { - () - } -} - -trait MyLifetimeTrait<'a> { - type AssocType: Send + 'a; - fn ret(&self) -> Self::AssocType; -} - -impl<'a> MyLifetimeTrait<'a> for &'a () { - type AssocType = impl Send + 'a; - fn ret(&self) -> Self::AssocType { - *self - } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-63263-closure-return.rs b/src/test/ui/type-alias-impl-trait/issue-63263-closure-return.rs deleted file mode 100644 index 7414611a7..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-63263-closure-return.rs +++ /dev/null @@ -1,13 +0,0 @@ -// Regression test for issue #63263. -// Tests that we properly handle closures with an explicit return type -// that return an opaque type. - -// check-pass - -#![feature(type_alias_impl_trait)] - -pub type Closure = impl FnOnce(); - -fn main() { - || -> Closure { || () }; -} diff --git a/src/test/ui/type-alias-impl-trait/issue-63279.rs b/src/test/ui/type-alias-impl-trait/issue-63279.rs deleted file mode 100644 index 97332e16d..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-63279.rs +++ /dev/null @@ -1,15 +0,0 @@ -// compile-flags: -Zsave-analysis - -#![feature(type_alias_impl_trait)] - -type Closure = impl FnOnce(); - -fn c() -> Closure { - //~^ ERROR: expected a `FnOnce<()>` closure, found `()` - || -> Closure { || () } - //~^ ERROR: mismatched types - //~| ERROR: mismatched types - //~| ERROR: expected a `FnOnce<()>` closure, found `()` -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-63279.stderr b/src/test/ui/type-alias-impl-trait/issue-63279.stderr deleted file mode 100644 index 110b8d1ee..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-63279.stderr +++ /dev/null @@ -1,48 +0,0 @@ -error[E0277]: expected a `FnOnce<()>` closure, found `()` - --> $DIR/issue-63279.rs:7:11 - | -LL | fn c() -> Closure { - | ^^^^^^^ expected an `FnOnce<()>` closure, found `()` - | - = help: the trait `FnOnce<()>` is not implemented for `()` - = note: wrap the `()` in a closure with no arguments: `|| { /* code */ }` - -error[E0277]: expected a `FnOnce<()>` closure, found `()` - --> $DIR/issue-63279.rs:9:11 - | -LL | || -> Closure { || () } - | ^^^^^^^ expected an `FnOnce<()>` closure, found `()` - | - = help: the trait `FnOnce<()>` is not implemented for `()` - = note: wrap the `()` in a closure with no arguments: `|| { /* code */ }` - -error[E0308]: mismatched types - --> $DIR/issue-63279.rs:9:21 - | -LL | || -> Closure { || () } - | ^^^^^ expected `()`, found closure - | - = note: expected unit type `()` - found closure `[closure@$DIR/issue-63279.rs:9:21: 9:23]` -help: use parentheses to call this closure - | -LL | || -> Closure { (|| ())() } - | + +++ - -error[E0308]: mismatched types - --> $DIR/issue-63279.rs:9:5 - | -LL | || -> Closure { || () } - | ^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found closure - | - = note: expected unit type `()` - found closure `[closure@$DIR/issue-63279.rs:9:5: 9:18]` -help: use parentheses to call this closure - | -LL | (|| -> Closure { || () })() - | + +++ - -error: aborting due to 4 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/type-alias-impl-trait/issue-63355.rs b/src/test/ui/type-alias-impl-trait/issue-63355.rs deleted file mode 100644 index 7066a0535..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-63355.rs +++ /dev/null @@ -1,46 +0,0 @@ -#![feature(type_alias_impl_trait)] -// check-pass - -pub trait Foo {} - -pub trait Bar { - type Foo: Foo; - - fn foo() -> Self::Foo; -} - -pub trait Baz { - type Foo: Foo; - type Bar: Bar<Foo = Self::Foo>; - - fn foo() -> Self::Foo; - fn bar() -> Self::Bar; -} - -impl Foo for () {} - -impl Bar for () { - type Foo = FooImpl; - - fn foo() -> Self::Foo { - () - } -} - -pub type FooImpl = impl Foo; -pub type BarImpl = impl Bar<Foo = FooImpl>; - -impl Baz for () { - type Foo = FooImpl; - type Bar = BarImpl; - - fn foo() -> Self::Foo { - () - } - - fn bar() -> Self::Bar { - () - } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-63677-type-alias-coherence.rs b/src/test/ui/type-alias-impl-trait/issue-63677-type-alias-coherence.rs deleted file mode 100644 index 28f4a85c9..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-63677-type-alias-coherence.rs +++ /dev/null @@ -1,21 +0,0 @@ -// check-pass -// Regression test for issue #63677 - ensure that -// coherence checking can properly handle 'impl trait' -// in type aliases -#![feature(type_alias_impl_trait)] - -pub trait Trait {} -pub struct S1<T>(T); -pub struct S2<T>(T); - -pub type T1 = impl Trait; -pub type T2 = S1<T1>; -pub type T3 = S2<T2>; - -impl<T> Trait for S1<T> {} -impl<T: Trait> S2<T> {} -impl T3 {} - -pub fn use_t1() -> T1 { S1(()) } - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-65384.rs b/src/test/ui/type-alias-impl-trait/issue-65384.rs deleted file mode 100644 index 9a9b2269f..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-65384.rs +++ /dev/null @@ -1,15 +0,0 @@ -#![feature(type_alias_impl_trait)] -#![allow(incomplete_features)] - -trait MyTrait {} - -impl MyTrait for () {} - -type Bar = impl MyTrait; - -impl MyTrait for Bar {} -//~^ ERROR: conflicting implementations of trait `MyTrait` for type `()` - -fn bazr() -> Bar { } - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-65384.stderr b/src/test/ui/type-alias-impl-trait/issue-65384.stderr deleted file mode 100644 index f6692ae32..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-65384.stderr +++ /dev/null @@ -1,12 +0,0 @@ -error[E0119]: conflicting implementations of trait `MyTrait` for type `()` - --> $DIR/issue-65384.rs:10:1 - | -LL | impl MyTrait for () {} - | ------------------- first implementation here -... -LL | impl MyTrait for Bar {} - | ^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `()` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0119`. diff --git a/src/test/ui/type-alias-impl-trait/issue-65679-inst-opaque-ty-from-val-twice.rs b/src/test/ui/type-alias-impl-trait/issue-65679-inst-opaque-ty-from-val-twice.rs deleted file mode 100644 index 72c22827f..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-65679-inst-opaque-ty-from-val-twice.rs +++ /dev/null @@ -1,18 +0,0 @@ -// compile-flags: -Zsave-analysis -// check-pass - -#![feature(type_alias_impl_trait, rustc_attrs)] - -type T = impl Sized; -// The concrete type referred by impl-trait-type-alias(`T`) is guaranteed -// to be the same as where it occurs, whereas `impl Trait`'s instance is location sensitive; -// so difference assertion should not be declared on impl-trait-type-alias's instances. -// for details, check RFC-2515: -// https://github.com/rust-lang/rfcs/blob/master/text/2515-type_alias_impl_trait.md - -fn take(_: fn() -> T) {} - -fn main() { - take(|| {}); - take(|| {}); -} diff --git a/src/test/ui/type-alias-impl-trait/issue-65918.rs b/src/test/ui/type-alias-impl-trait/issue-65918.rs deleted file mode 100644 index af6d50109..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-65918.rs +++ /dev/null @@ -1,51 +0,0 @@ -// ignore-test: This now ICEs again. - -// build-pass - -#![feature(type_alias_impl_trait)] - -use std::marker::PhantomData; - -/* copied Index and TryFrom for convenience (and simplicity) */ -trait MyIndex<T> { - type O; - fn my_index(self) -> Self::O; -} -trait MyFrom<T>: Sized { - type Error; - fn my_from(value: T) -> Result<Self, Self::Error>; -} - -/* MCVE starts here */ -trait F {} -impl F for () {} -type DummyT<T> = impl F; -fn _dummy_t<T>() -> DummyT<T> {} - -struct Phantom1<T>(PhantomData<T>); -struct Phantom2<T>(PhantomData<T>); -struct Scope<T>(Phantom2<DummyT<T>>); - -impl<T> Scope<T> { - fn new() -> Self { - unimplemented!() - } -} - -impl<T> MyFrom<Phantom2<T>> for Phantom1<T> { - type Error = (); - fn my_from(_: Phantom2<T>) -> Result<Self, Self::Error> { - unimplemented!() - } -} - -impl<T: MyFrom<Phantom2<DummyT<U>>>, U> MyIndex<Phantom1<T>> for Scope<U> { - type O = T; - fn my_index(self) -> Self::O { - MyFrom::my_from(self.0).ok().unwrap() - } -} - -fn main() { - let _pos: Phantom1<DummyT<()>> = Scope::new().my_index(); -} diff --git a/src/test/ui/type-alias-impl-trait/issue-66580-closure-coherence.rs b/src/test/ui/type-alias-impl-trait/issue-66580-closure-coherence.rs deleted file mode 100644 index d97270c31..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-66580-closure-coherence.rs +++ /dev/null @@ -1,21 +0,0 @@ -// Regression test for issue #66580 -// Ensures that we don't try to determine whether a closure -// is foreign when it's the underlying type of an opaque type -// check-pass -#![feature(type_alias_impl_trait)] - -type Closure = impl FnOnce(); - -fn closure() -> Closure { - || {} -} - -struct Wrap<T> { - f: T, -} - -impl Wrap<Closure> {} - -impl<T> Wrap<T> {} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-67844-nested-opaque.rs b/src/test/ui/type-alias-impl-trait/issue-67844-nested-opaque.rs deleted file mode 100644 index cd219328a..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-67844-nested-opaque.rs +++ /dev/null @@ -1,33 +0,0 @@ -// check-pass -// Regression test for issue #67844 -// Ensures that we properly handle nested TAIT occurrences -// with generic parameters - -#![feature(type_alias_impl_trait)] - -trait WithAssoc { - type AssocType; -} - -trait WithParam<A> {} - -type Return<A> = impl WithAssoc<AssocType = impl WithParam<A>>; - -struct MyParam; -impl<A> WithParam<A> for MyParam {} - -struct MyStruct; - -impl WithAssoc for MyStruct { - type AssocType = MyParam; -} - -fn my_fun<A>() -> Return<A> { - MyStruct -} - -fn my_other_fn<A>() -> impl WithAssoc<AssocType = impl WithParam<A>> { - MyStruct -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-68368-non-defining-use-2.rs b/src/test/ui/type-alias-impl-trait/issue-68368-non-defining-use-2.rs deleted file mode 100644 index 5223fb1c7..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-68368-non-defining-use-2.rs +++ /dev/null @@ -1,14 +0,0 @@ -// Regression test for issue #68368 -// Ensures that we don't ICE when emitting an error -// for a non-defining use when lifetimes are involved - -#![feature(type_alias_impl_trait)] -trait Trait<T> {} -type Alias<'a, U> = impl Trait<U>; - -fn f<'a>() -> Alias<'a, ()> {} -//~^ ERROR non-defining opaque type use in defining scope - -fn main() {} - -impl<X> Trait<X> for () {} diff --git a/src/test/ui/type-alias-impl-trait/issue-68368-non-defining-use-2.stderr b/src/test/ui/type-alias-impl-trait/issue-68368-non-defining-use-2.stderr deleted file mode 100644 index 7fb9a0c41..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-68368-non-defining-use-2.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error: non-defining opaque type use in defining scope - --> $DIR/issue-68368-non-defining-use-2.rs:9:29 - | -LL | fn f<'a>() -> Alias<'a, ()> {} - | ^^ - | -note: used non-generic type `()` for generic parameter - --> $DIR/issue-68368-non-defining-use-2.rs:7:16 - | -LL | type Alias<'a, U> = impl Trait<U>; - | ^ - -error: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/issue-68368-non-defining-use.rs b/src/test/ui/type-alias-impl-trait/issue-68368-non-defining-use.rs deleted file mode 100644 index b50462bf2..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-68368-non-defining-use.rs +++ /dev/null @@ -1,14 +0,0 @@ -// Regression test for issue #68368 -// Ensures that we don't ICE when emitting an error -// for a non-defining use when lifetimes are involved - -#![feature(type_alias_impl_trait)] -trait Trait<T> {} -type Alias<'a, U> = impl Trait<U>; - -fn f<'a>() -> Alias<'a, ()> {} -//~^ ERROR non-defining opaque type use in defining scope - -fn main() {} - -impl Trait<()> for () {} diff --git a/src/test/ui/type-alias-impl-trait/issue-68368-non-defining-use.stderr b/src/test/ui/type-alias-impl-trait/issue-68368-non-defining-use.stderr deleted file mode 100644 index 8059621b6..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-68368-non-defining-use.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error: non-defining opaque type use in defining scope - --> $DIR/issue-68368-non-defining-use.rs:9:29 - | -LL | fn f<'a>() -> Alias<'a, ()> {} - | ^^ - | -note: used non-generic type `()` for generic parameter - --> $DIR/issue-68368-non-defining-use.rs:7:16 - | -LL | type Alias<'a, U> = impl Trait<U>; - | ^ - -error: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/issue-69136-inner-lifetime-resolve-error.rs b/src/test/ui/type-alias-impl-trait/issue-69136-inner-lifetime-resolve-error.rs deleted file mode 100644 index 428454bc0..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-69136-inner-lifetime-resolve-error.rs +++ /dev/null @@ -1,23 +0,0 @@ -// Regression test for #69136 - -#![feature(type_alias_impl_trait)] - -trait SomeTrait {} - -impl SomeTrait for () {} - -trait WithAssoc<A> { - type AssocType; -} - -impl<T> WithAssoc<T> for () { - type AssocType = (); -} - -type Return<A> = impl WithAssoc<A, AssocType = impl SomeTrait + 'a>; -//~^ ERROR use of undeclared lifetime name `'a` - -fn my_fun() -> Return<()> {} -//~^ ERROR non-defining opaque type use in defining scope - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-69136-inner-lifetime-resolve-error.stderr b/src/test/ui/type-alias-impl-trait/issue-69136-inner-lifetime-resolve-error.stderr deleted file mode 100644 index 7b50c8af2..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-69136-inner-lifetime-resolve-error.stderr +++ /dev/null @@ -1,31 +0,0 @@ -error[E0261]: use of undeclared lifetime name `'a` - --> $DIR/issue-69136-inner-lifetime-resolve-error.rs:17:65 - | -LL | type Return<A> = impl WithAssoc<A, AssocType = impl SomeTrait + 'a>; - | ^^ undeclared lifetime - | - = note: for more information on higher-ranked polymorphism, visit https://doc.rust-lang.org/nomicon/hrtb.html -help: consider making the bound lifetime-generic with a new `'a` lifetime - | -LL | type Return<A> = impl for<'a> WithAssoc<A, AssocType = impl SomeTrait + 'a>; - | +++++++ -help: consider introducing lifetime `'a` here - | -LL | type Return<'a, A> = impl WithAssoc<A, AssocType = impl SomeTrait + 'a>; - | +++ - -error: non-defining opaque type use in defining scope - --> $DIR/issue-69136-inner-lifetime-resolve-error.rs:20:27 - | -LL | fn my_fun() -> Return<()> {} - | ^^ - | -note: used non-generic type `()` for generic parameter - --> $DIR/issue-69136-inner-lifetime-resolve-error.rs:17:13 - | -LL | type Return<A> = impl WithAssoc<A, AssocType = impl SomeTrait + 'a>; - | ^ - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0261`. diff --git a/src/test/ui/type-alias-impl-trait/issue-69136-inner-lifetime-resolve-ok.rs b/src/test/ui/type-alias-impl-trait/issue-69136-inner-lifetime-resolve-ok.rs deleted file mode 100644 index a6916eda8..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-69136-inner-lifetime-resolve-ok.rs +++ /dev/null @@ -1,23 +0,0 @@ -// Test-pass variant of #69136 - -// check-pass - -#![feature(type_alias_impl_trait)] - -trait SomeTrait {} - -impl SomeTrait for () {} - -trait WithAssoc { - type AssocType; -} - -impl WithAssoc for () { - type AssocType = (); -} - -type Return<'a> = impl WithAssoc<AssocType = impl Sized + 'a>; - -fn my_fun<'a>() -> Return<'a> {} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-69323.rs b/src/test/ui/type-alias-impl-trait/issue-69323.rs deleted file mode 100644 index a9bd6daf2..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-69323.rs +++ /dev/null @@ -1,16 +0,0 @@ -// check-pass - -#![feature(type_alias_impl_trait)] - -use std::iter::{once, Chain}; - -fn test1<A: Iterator<Item = &'static str>>(x: A) -> Chain<A, impl Iterator<Item = &'static str>> { - x.chain(once(",")) -} - -type I<A> = Chain<A, impl Iterator<Item = &'static str>>; -fn test2<A: Iterator<Item = &'static str>>(x: A) -> I<A> { - x.chain(once(",")) -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-70121.rs b/src/test/ui/type-alias-impl-trait/issue-70121.rs deleted file mode 100644 index dff0d89d4..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-70121.rs +++ /dev/null @@ -1,23 +0,0 @@ -// check-pass - -#![feature(type_alias_impl_trait)] - -pub type Successors<'a> = impl Iterator<Item = &'a ()>; - -pub fn f<'a>() -> Successors<'a> { - None.into_iter() -} - -pub trait Tr { - type Item; -} - -impl<'a> Tr for &'a () { - type Item = Successors<'a>; -} - -pub fn kazusa<'a>() -> <&'a () as Tr>::Item { - None.into_iter() -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-72793.rs b/src/test/ui/type-alias-impl-trait/issue-72793.rs deleted file mode 100644 index 828c87114..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-72793.rs +++ /dev/null @@ -1,25 +0,0 @@ -// check-pass -// compile-flags: -Zmir-opt-level=3 - -#![feature(type_alias_impl_trait)] - -trait T { type Item; } - -type Alias<'a> = impl T<Item = &'a ()>; - -struct S; -impl<'a> T for &'a S { - type Item = &'a (); -} - -fn filter_positive<'a>() -> Alias<'a> { - &S -} - -fn with_positive(fun: impl Fn(Alias<'_>)) { - fun(filter_positive()); -} - -fn main() { - with_positive(|_| ()); -} diff --git a/src/test/ui/type-alias-impl-trait/issue-74244.rs b/src/test/ui/type-alias-impl-trait/issue-74244.rs deleted file mode 100644 index bb4104b3d..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-74244.rs +++ /dev/null @@ -1,20 +0,0 @@ -#![feature(type_alias_impl_trait)] - -trait Allocator { - type Buffer; -} - -struct DefaultAllocator; - -impl<T> Allocator for DefaultAllocator { - //~^ ERROR: the type parameter `T` is not constrained - type Buffer = (); -} - -type A = impl Fn(<DefaultAllocator as Allocator>::Buffer); - -fn foo() -> A { - |_| () -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-74244.stderr b/src/test/ui/type-alias-impl-trait/issue-74244.stderr deleted file mode 100644 index ff6bacd27..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-74244.stderr +++ /dev/null @@ -1,9 +0,0 @@ -error[E0207]: the type parameter `T` is not constrained by the impl trait, self type, or predicates - --> $DIR/issue-74244.rs:9:6 - | -LL | impl<T> Allocator for DefaultAllocator { - | ^ unconstrained type parameter - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0207`. diff --git a/src/test/ui/type-alias-impl-trait/issue-74280.rs b/src/test/ui/type-alias-impl-trait/issue-74280.rs deleted file mode 100644 index ad641eaa0..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-74280.rs +++ /dev/null @@ -1,12 +0,0 @@ -// Regression test for #74280. - -#![feature(type_alias_impl_trait)] - -type Test = impl Copy; - -fn test() -> Test { - let y = || -> Test { () }; - 7 //~ ERROR mismatched types -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-74280.stderr b/src/test/ui/type-alias-impl-trait/issue-74280.stderr deleted file mode 100644 index 66886db6e..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-74280.stderr +++ /dev/null @@ -1,12 +0,0 @@ -error[E0308]: mismatched types - --> $DIR/issue-74280.rs:9:5 - | -LL | fn test() -> Test { - | ---- expected `()` because of return type -LL | let y = || -> Test { () }; -LL | 7 - | ^ expected `()`, found integer - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/type-alias-impl-trait/issue-74761-2.rs b/src/test/ui/type-alias-impl-trait/issue-74761-2.rs deleted file mode 100644 index d26ca5c3e..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-74761-2.rs +++ /dev/null @@ -1,15 +0,0 @@ -#![feature(type_alias_impl_trait)] - -pub trait A { - type B; - fn f(&self) -> Self::B; -} -impl<'a, 'b> A for () { - //~^ ERROR the lifetime parameter `'a` is not constrained - //~| ERROR the lifetime parameter `'b` is not constrained - type B = impl core::fmt::Debug; - - fn f(&self) -> Self::B {} -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-74761-2.stderr b/src/test/ui/type-alias-impl-trait/issue-74761-2.stderr deleted file mode 100644 index f15d0a069..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-74761-2.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error[E0207]: the lifetime parameter `'a` is not constrained by the impl trait, self type, or predicates - --> $DIR/issue-74761-2.rs:7:6 - | -LL | impl<'a, 'b> A for () { - | ^^ unconstrained lifetime parameter - -error[E0207]: the lifetime parameter `'b` is not constrained by the impl trait, self type, or predicates - --> $DIR/issue-74761-2.rs:7:10 - | -LL | impl<'a, 'b> A for () { - | ^^ unconstrained lifetime parameter - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0207`. diff --git a/src/test/ui/type-alias-impl-trait/issue-74761.rs b/src/test/ui/type-alias-impl-trait/issue-74761.rs deleted file mode 100644 index d26ca5c3e..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-74761.rs +++ /dev/null @@ -1,15 +0,0 @@ -#![feature(type_alias_impl_trait)] - -pub trait A { - type B; - fn f(&self) -> Self::B; -} -impl<'a, 'b> A for () { - //~^ ERROR the lifetime parameter `'a` is not constrained - //~| ERROR the lifetime parameter `'b` is not constrained - type B = impl core::fmt::Debug; - - fn f(&self) -> Self::B {} -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-74761.stderr b/src/test/ui/type-alias-impl-trait/issue-74761.stderr deleted file mode 100644 index 1d016fe07..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-74761.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error[E0207]: the lifetime parameter `'a` is not constrained by the impl trait, self type, or predicates - --> $DIR/issue-74761.rs:7:6 - | -LL | impl<'a, 'b> A for () { - | ^^ unconstrained lifetime parameter - -error[E0207]: the lifetime parameter `'b` is not constrained by the impl trait, self type, or predicates - --> $DIR/issue-74761.rs:7:10 - | -LL | impl<'a, 'b> A for () { - | ^^ unconstrained lifetime parameter - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0207`. diff --git a/src/test/ui/type-alias-impl-trait/issue-76202-trait-impl-for-tait.rs b/src/test/ui/type-alias-impl-trait/issue-76202-trait-impl-for-tait.rs deleted file mode 100644 index b97e444c6..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-76202-trait-impl-for-tait.rs +++ /dev/null @@ -1,31 +0,0 @@ -// Regression test for issue #76202 -// Tests that we don't ICE when we have a trait impl on a TAIT. - -// check-pass - -#![feature(type_alias_impl_trait)] - -trait Dummy {} -impl Dummy for () {} - -type F = impl Dummy; -fn f() -> F {} - -trait Test { - fn test(self); -} - -impl Test for F { - fn test(self) {} -} - -// Ok because `i32` does not implement `Dummy`, -// so it can't possibly be the hidden type of `F`. -impl Test for i32 { - fn test(self) {} -} - -fn main() { - let x: F = f(); - x.test(); -} diff --git a/src/test/ui/type-alias-impl-trait/issue-77179.rs b/src/test/ui/type-alias-impl-trait/issue-77179.rs deleted file mode 100644 index 8d818d4a3..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-77179.rs +++ /dev/null @@ -1,14 +0,0 @@ -// Regression test for #77179. - -#![feature(type_alias_impl_trait)] - -type Pointer<T> = impl std::ops::Deref<Target=T>; - -fn test() -> Pointer<_> { - //~^ ERROR: the placeholder `_` is not allowed within types - Box::new(1) -} - -fn main() { - test(); -} diff --git a/src/test/ui/type-alias-impl-trait/issue-77179.stderr b/src/test/ui/type-alias-impl-trait/issue-77179.stderr deleted file mode 100644 index 053546e4b..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-77179.stderr +++ /dev/null @@ -1,12 +0,0 @@ -error[E0121]: the placeholder `_` is not allowed within types on item signatures for return types - --> $DIR/issue-77179.rs:7:22 - | -LL | fn test() -> Pointer<_> { - | --------^- - | | | - | | not allowed in type signatures - | help: replace with the correct return type: `Pointer<i32>` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0121`. diff --git a/src/test/ui/type-alias-impl-trait/issue-78450.rs b/src/test/ui/type-alias-impl-trait/issue-78450.rs deleted file mode 100644 index fccbfb74f..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-78450.rs +++ /dev/null @@ -1,25 +0,0 @@ -// check-pass - -#![feature(type_alias_impl_trait)] - -pub trait AssociatedImpl { - type ImplTrait; - - fn f() -> Self::ImplTrait; -} - -struct S<T>(T); - -trait Associated { - type A; -} - -impl<'a, T: Associated<A = &'a ()>> AssociatedImpl for S<T> { - type ImplTrait = impl core::fmt::Debug; - - fn f() -> Self::ImplTrait { - () - } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-84660-trait-impl-for-tait.rs b/src/test/ui/type-alias-impl-trait/issue-84660-trait-impl-for-tait.rs deleted file mode 100644 index 2ba4befea..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-84660-trait-impl-for-tait.rs +++ /dev/null @@ -1,25 +0,0 @@ -// Regression test for issues #84660 and #86411: both are variations on #76202. -// Tests that we don't ICE when we have an opaque type appearing anywhere in an impl header. - -// check-pass - -#![feature(type_alias_impl_trait)] - -trait Foo {} -impl Foo for () {} -type Bar = impl Foo; -fn _defining_use() -> Bar {} - -trait TraitArg<T> { - fn f(); -} - -impl TraitArg<Bar> for () { - fn f() { - println!("ho"); - } -} - -fn main() { - <() as TraitArg<Bar>>::f(); -} diff --git a/src/test/ui/type-alias-impl-trait/issue-84660-unsoundness.rs b/src/test/ui/type-alias-impl-trait/issue-84660-unsoundness.rs deleted file mode 100644 index 48d4b0c96..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-84660-unsoundness.rs +++ /dev/null @@ -1,41 +0,0 @@ -// Another example from issue #84660, this time weaponized as a safe transmute: an opaque type in an -// impl header being accepted was used to create unsoundness. - -#![feature(type_alias_impl_trait)] - -trait Foo {} -impl Foo for () {} -type Bar = impl Foo; -fn _defining_use() -> Bar {} - -trait Trait<T, In> { - type Out; - fn convert(i: In) -> Self::Out; -} - -impl<In, Out> Trait<Bar, In> for Out { - type Out = Out; - fn convert(_i: In) -> Self::Out { - unreachable!(); - } -} - -impl<In, Out> Trait<(), In> for Out { //~ ERROR conflicting implementations of trait `Trait<Bar, _>` - type Out = In; - fn convert(i: In) -> Self::Out { - i - } -} - -fn transmute<In, Out>(i: In) -> Out { - <Out as Trait<Bar, In>>::convert(i) -} - -fn main() { - let d; - { - let x = "Hello World".to_string(); - d = transmute::<&String, &String>(&x); - } - println!("{}", d); -} diff --git a/src/test/ui/type-alias-impl-trait/issue-84660-unsoundness.stderr b/src/test/ui/type-alias-impl-trait/issue-84660-unsoundness.stderr deleted file mode 100644 index 6a75e1bd2..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-84660-unsoundness.stderr +++ /dev/null @@ -1,12 +0,0 @@ -error[E0119]: conflicting implementations of trait `Trait<Bar, _>` - --> $DIR/issue-84660-unsoundness.rs:23:1 - | -LL | impl<In, Out> Trait<Bar, In> for Out { - | ------------------------------------ first implementation here -... -LL | impl<In, Out> Trait<(), In> for Out { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0119`. diff --git a/src/test/ui/type-alias-impl-trait/issue-87455-static-lifetime-ice.rs b/src/test/ui/type-alias-impl-trait/issue-87455-static-lifetime-ice.rs deleted file mode 100644 index 80a74eb63..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-87455-static-lifetime-ice.rs +++ /dev/null @@ -1,73 +0,0 @@ -// check-pass - -use std::error::Error as StdError; -use std::pin::Pin; -use std::task::{Context, Poll}; - -pub trait Stream { - type Item; - fn poll_next(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>>; - fn size_hint(&self) -> (usize, Option<usize>) { - (0, None) - } -} - -pub trait TryStream: Stream { - type Ok; - type Error; - - fn try_poll_next( - self: Pin<&mut Self>, - cx: &mut Context<'_>, - ) -> Poll<Option<Result<Self::Ok, Self::Error>>>; -} - -impl<S, T, E> TryStream for S -where - S: ?Sized + Stream<Item = Result<T, E>>, -{ - type Ok = T; - type Error = E; - - fn try_poll_next( - self: Pin<&mut Self>, - cx: &mut Context<'_>, - ) -> Poll<Option<Result<Self::Ok, Self::Error>>> { - self.poll_next(cx) - } -} - -pub trait ServerSentEvent: Sized + Send + Sync + 'static {} - -impl<T: Send + Sync + 'static> ServerSentEvent for T {} - -struct SseKeepAlive<S> { - event_stream: S, -} - -struct SseComment<T>(T); - -impl<S> Stream for SseKeepAlive<S> -where - S: TryStream + Send + 'static, - S::Ok: ServerSentEvent, - S::Error: StdError + Send + Sync + 'static, -{ - type Item = Result<SseComment<&'static str>, ()>; - fn poll_next(self: Pin<&mut Self>, _cx: &mut Context) -> Poll<Option<Self::Item>> { - unimplemented!() - } -} - -pub fn keep<S>( - event_stream: S, -) -> impl TryStream<Ok = impl ServerSentEvent + Send + 'static, Error = ()> + Send + 'static -where - S: TryStream + Send + 'static, - S::Ok: ServerSentEvent + Send, - S::Error: StdError + Send + Sync + 'static, -{ - SseKeepAlive { event_stream } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-89686.rs b/src/test/ui/type-alias-impl-trait/issue-89686.rs deleted file mode 100644 index 058417bdb..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-89686.rs +++ /dev/null @@ -1,23 +0,0 @@ -// edition:2018 - -#![feature(type_alias_impl_trait)] - -use std::future::Future; - -type G<'a, T> = impl Future<Output = ()> + 'a; - -trait Trait { - type F: Future<Output = ()>; - - fn f(&self) -> Self::F; - - fn g<'a>(&'a self) -> G<'a, Self> - where - Self: Sized, - { - async move { self.f().await } - //~^ ERROR: the trait bound `T: Trait` is not satisfied - } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-89686.stderr b/src/test/ui/type-alias-impl-trait/issue-89686.stderr deleted file mode 100644 index 3b95a575a..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-89686.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error[E0277]: the trait bound `T: Trait` is not satisfied - --> $DIR/issue-89686.rs:18:9 - | -LL | async move { self.f().await } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Trait` is not implemented for `T` - | -help: consider restricting type parameter `T` - | -LL | type G<'a, T: Trait> = impl Future<Output = ()> + 'a; - | +++++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/issue-89952.rs b/src/test/ui/type-alias-impl-trait/issue-89952.rs deleted file mode 100644 index dc0f19c04..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-89952.rs +++ /dev/null @@ -1,31 +0,0 @@ -// check-pass - -#![feature(type_alias_impl_trait)] - -trait SomeTrait {} -impl SomeTrait for () {} - -trait MyFuture { - type Output; -} -impl<T> MyFuture for T { - type Output = T; -} - -trait ReturnsFuture { - type Output: SomeTrait; - type Future: MyFuture<Output = Result<Self::Output, ()>>; - fn func() -> Self::Future; -} - -struct Foo; - -impl ReturnsFuture for Foo { - type Output = impl SomeTrait; - type Future = impl MyFuture<Output = Result<Self::Output, ()>>; - fn func() -> Self::Future { - Result::<(), ()>::Err(()) - } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-90400-1.rs b/src/test/ui/type-alias-impl-trait/issue-90400-1.rs deleted file mode 100644 index 15aead2f6..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-90400-1.rs +++ /dev/null @@ -1,29 +0,0 @@ -// Regression test for #90400, -// taken from https://github.com/rust-lang/rust/issues/90400#issuecomment-954927836 - -#![feature(type_alias_impl_trait)] - -trait Bar { - fn bar(&self); -} - -trait Foo { - type FooFn<B>: FnOnce(); - - fn foo<B: Bar>(&self, bar: B) -> Self::FooFn<B>; -} - -struct MyFoo; - -impl Foo for MyFoo { - type FooFn<B> = impl FnOnce(); - - fn foo<B: Bar>(&self, bar: B) -> Self::FooFn<B> { - move || bar.bar() //~ ERROR: the trait bound `B: Bar` is not satisfied - } -} - -fn main() { - let boom: <MyFoo as Foo>::FooFn<u32> = unsafe { core::mem::zeroed() }; - boom(); -} diff --git a/src/test/ui/type-alias-impl-trait/issue-90400-1.stderr b/src/test/ui/type-alias-impl-trait/issue-90400-1.stderr deleted file mode 100644 index ead28769f..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-90400-1.stderr +++ /dev/null @@ -1,19 +0,0 @@ -error[E0277]: the trait bound `B: Bar` is not satisfied - --> $DIR/issue-90400-1.rs:22:9 - | -LL | move || bar.bar() - | ^^^^^^^^^^^^^^^^^ the trait `Bar` is not implemented for `B` - | -note: required by a bound in `<MyFoo as Foo>::foo` - --> $DIR/issue-90400-1.rs:21:15 - | -LL | fn foo<B: Bar>(&self, bar: B) -> Self::FooFn<B> { - | ^^^ required by this bound in `<MyFoo as Foo>::foo` -help: consider restricting type parameter `B` - | -LL | type FooFn<B: Bar> = impl FnOnce(); - | +++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/issue-90400-2.rs b/src/test/ui/type-alias-impl-trait/issue-90400-2.rs deleted file mode 100644 index 4c6e893c1..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-90400-2.rs +++ /dev/null @@ -1,37 +0,0 @@ -// Regression test for #90400, -// taken from https://github.com/rust-lang/rust/issues/90400#issuecomment-954927836 - -#![feature(type_alias_impl_trait)] - -trait Bar { - fn bar(&self); -} - -trait Baz { - fn baz(&self); -} - -trait Foo { - type FooFn<B>: Baz; - - fn foo<B: Bar>(&self, bar: B) -> Self::FooFn<B>; -} - -struct MyFoo; -impl Foo for MyFoo { - type FooFn<B> = impl Baz; - - fn foo<B: Bar>(&self, bar: B) -> Self::FooFn<B> { - MyBaz(bar) //~ ERROR: the trait bound `B: Bar` is not satisfied - } -} - -struct MyBaz<B: Bar>(B); -impl<B: Bar> Baz for MyBaz<B> { - fn baz(&self) {} -} - -fn main() { - let boom: <MyFoo as Foo>::FooFn<u32> = unsafe { core::mem::zeroed() }; - boom.baz(); -} diff --git a/src/test/ui/type-alias-impl-trait/issue-90400-2.stderr b/src/test/ui/type-alias-impl-trait/issue-90400-2.stderr deleted file mode 100644 index 50b2dc049..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-90400-2.stderr +++ /dev/null @@ -1,19 +0,0 @@ -error[E0277]: the trait bound `B: Bar` is not satisfied - --> $DIR/issue-90400-2.rs:25:9 - | -LL | MyBaz(bar) - | ^^^^^^^^^^ the trait `Bar` is not implemented for `B` - | -note: required for `MyBaz<B>` to implement `Baz` - --> $DIR/issue-90400-2.rs:30:14 - | -LL | impl<B: Bar> Baz for MyBaz<B> { - | ^^^ ^^^^^^^^ -help: consider restricting type parameter `B` - | -LL | type FooFn<B: Bar> = impl Baz; - | +++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/issue-93411.rs b/src/test/ui/type-alias-impl-trait/issue-93411.rs deleted file mode 100644 index 1f8c78926..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-93411.rs +++ /dev/null @@ -1,19 +0,0 @@ -#![feature(type_alias_impl_trait)] - -// this test used to stack overflow due to infinite recursion. -// check-pass -// compile-flags: --edition=2018 - -use std::future::Future; - -fn main() { - let _ = move || async move { - let value = 0u8; - blah(&value).await; - }; -} - -type BlahFut<'a> = impl Future<Output = ()> + Send + 'a; -fn blah<'a>(_value: &'a u8) -> BlahFut<'a> { - async {} -} diff --git a/src/test/ui/type-alias-impl-trait/issue-94429.rs b/src/test/ui/type-alias-impl-trait/issue-94429.rs deleted file mode 100644 index 2c965b875..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-94429.rs +++ /dev/null @@ -1,23 +0,0 @@ -#![feature(type_alias_impl_trait, generator_trait, generators)] -use std::ops::Generator; - -trait Runnable { - type Gen: Generator<Yield = (), Return = ()>; - - fn run(&mut self) -> Self::Gen; -} - -struct Implementor {} - -impl Runnable for Implementor { - type Gen = impl Generator<Yield = (), Return = ()>; - - fn run(&mut self) -> Self::Gen { - //~^ ERROR: type mismatch resolving - move || { - yield 1; - } - } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/issue-94429.stderr b/src/test/ui/type-alias-impl-trait/issue-94429.stderr deleted file mode 100644 index 8d7f7a07b..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-94429.stderr +++ /dev/null @@ -1,9 +0,0 @@ -error[E0271]: type mismatch resolving `<[generator@$DIR/issue-94429.rs:17:9: 17:16] as Generator>::Yield == ()` - --> $DIR/issue-94429.rs:15:26 - | -LL | fn run(&mut self) -> Self::Gen { - | ^^^^^^^^^ expected integer, found `()` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0271`. diff --git a/src/test/ui/type-alias-impl-trait/issue-96572-unconstrained-mismatch.rs b/src/test/ui/type-alias-impl-trait/issue-96572-unconstrained-mismatch.rs deleted file mode 100644 index 825710851..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-96572-unconstrained-mismatch.rs +++ /dev/null @@ -1,10 +0,0 @@ -#![feature(type_alias_impl_trait)] - -fn main() { - type T = impl Copy; - let foo: T = Some((1u32, 2u32)); - match foo { - None => (), - Some((a, b, c)) => (), //~ ERROR mismatched types - } -} diff --git a/src/test/ui/type-alias-impl-trait/issue-96572-unconstrained-mismatch.stderr b/src/test/ui/type-alias-impl-trait/issue-96572-unconstrained-mismatch.stderr deleted file mode 100644 index 728244a18..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-96572-unconstrained-mismatch.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error[E0308]: mismatched types - --> $DIR/issue-96572-unconstrained-mismatch.rs:8:14 - | -LL | match foo { - | --- this expression has type `T` -LL | None => (), -LL | Some((a, b, c)) => (), - | ^^^^^^^^^ expected a tuple with 2 elements, found one with 3 elements - | - = note: expected tuple `(u32, u32)` - found tuple `(_, _, _)` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/type-alias-impl-trait/issue-96572-unconstrained.rs b/src/test/ui/type-alias-impl-trait/issue-96572-unconstrained.rs deleted file mode 100644 index 2c740ccc1..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-96572-unconstrained.rs +++ /dev/null @@ -1,92 +0,0 @@ -#![feature(type_alias_impl_trait)] -// check-pass - -fn main() { - type T = impl Copy; - let foo: T = Some((1u32, 2u32)); - match foo { - None => (), - Some((a, b)) => (), - } -} - -fn upvar() { - #[derive(Copy, Clone)] - struct Foo((u32, u32)); - - type T = impl Copy; - let foo: T = Foo((1u32, 2u32)); - let x = move || { - let Foo((a, b)) = foo; - }; -} - -fn enum_upvar() { - type T = impl Copy; - let foo: T = Some((1u32, 2u32)); - let x = move || { - match foo { - None => (), - Some((a, b)) => (), - } - }; -} - -fn r#struct() { - #[derive(Copy, Clone)] - struct Foo((u32, u32)); - - type U = impl Copy; - let foo: U = Foo((1u32, 2u32)); - let Foo((a, b)) = foo; -} - -mod only_pattern { - type T = impl Copy; - - fn foo(foo: T) { - let (mut x, mut y) = foo; - x = 42; - y = "foo"; - } - - type U = impl Copy; - - fn bar(bar: Option<U>) { - match bar { - Some((mut x, mut y)) => { - x = 42; - y = "foo"; - } - None => {} - } - } -} - -mod only_pattern_rpit { - #[allow(unconditional_recursion)] - fn foo(b: bool) -> impl Copy { - let (mut x, mut y) = foo(false); - x = 42; - y = "foo"; - if b { - panic!() - } else { - foo(true) - } - } - - fn bar(b: bool) -> Option<impl Copy> { - if b { - return None; - } - match bar(!b) { - Some((mut x, mut y)) => { - x = 42; - y = "foo"; - } - None => {} - } - None - } -} diff --git a/src/test/ui/type-alias-impl-trait/issue-98604.rs b/src/test/ui/type-alias-impl-trait/issue-98604.rs deleted file mode 100644 index 32c2f9ed5..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-98604.rs +++ /dev/null @@ -1,11 +0,0 @@ -// edition:2018 - -type AsyncFnPtr = Box<dyn Fn() -> std::pin::Pin<Box<dyn std::future::Future<Output = ()>>>>; - -async fn test() {} - -#[allow(unused_must_use)] -fn main() { - Box::new(test) as AsyncFnPtr; - //~^ ERROR expected `fn() -> impl Future<Output = ()> {test}` to be a fn item that returns `Pin<Box<(dyn Future<Output = ()> + 'static)>>`, but it returns `impl Future<Output = ()>` -} diff --git a/src/test/ui/type-alias-impl-trait/issue-98604.stderr b/src/test/ui/type-alias-impl-trait/issue-98604.stderr deleted file mode 100644 index 92d01eb0d..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-98604.stderr +++ /dev/null @@ -1,18 +0,0 @@ -error[E0271]: expected `fn() -> impl Future<Output = ()> {test}` to be a fn item that returns `Pin<Box<(dyn Future<Output = ()> + 'static)>>`, but it returns `impl Future<Output = ()>` - --> $DIR/issue-98604.rs:9:5 - | -LL | Box::new(test) as AsyncFnPtr; - | ^^^^^^^^^^^^^^ expected struct `Pin`, found opaque type - | -note: while checking the return type of the `async fn` - --> $DIR/issue-98604.rs:5:17 - | -LL | async fn test() {} - | ^ checked the `Output` of this `async fn`, found opaque type - = note: expected struct `Pin<Box<(dyn Future<Output = ()> + 'static)>>` - found opaque type `impl Future<Output = ()>` - = note: required for the cast from `fn() -> impl Future<Output = ()> {test}` to the object type `dyn Fn() -> Pin<Box<(dyn Future<Output = ()> + 'static)>>` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0271`. diff --git a/src/test/ui/type-alias-impl-trait/issue-98608.rs b/src/test/ui/type-alias-impl-trait/issue-98608.rs deleted file mode 100644 index 1f89af045..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-98608.rs +++ /dev/null @@ -1,11 +0,0 @@ -fn hi() -> impl Sized { - std::ptr::null::<u8>() -} - -fn main() { - let b: Box<dyn Fn() -> Box<u8>> = Box::new(hi); - //~^ ERROR expected `fn() -> impl Sized {hi}` to be a fn item that returns `Box<u8>`, but it returns `impl Sized` - let boxed = b(); - let null = *boxed; - println!("{null:?}"); -} diff --git a/src/test/ui/type-alias-impl-trait/issue-98608.stderr b/src/test/ui/type-alias-impl-trait/issue-98608.stderr deleted file mode 100644 index 916a58451..000000000 --- a/src/test/ui/type-alias-impl-trait/issue-98608.stderr +++ /dev/null @@ -1,16 +0,0 @@ -error[E0271]: expected `fn() -> impl Sized {hi}` to be a fn item that returns `Box<u8>`, but it returns `impl Sized` - --> $DIR/issue-98608.rs:6:39 - | -LL | fn hi() -> impl Sized { - | ---------- the found opaque type -... -LL | let b: Box<dyn Fn() -> Box<u8>> = Box::new(hi); - | ^^^^^^^^^^^^ expected struct `Box`, found opaque type - | - = note: expected struct `Box<u8>` - found opaque type `impl Sized` - = note: required for the cast from `fn() -> impl Sized {hi}` to the object type `dyn Fn() -> Box<u8>` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0271`. diff --git a/src/test/ui/type-alias-impl-trait/missing_lifetime_bound.rs b/src/test/ui/type-alias-impl-trait/missing_lifetime_bound.rs deleted file mode 100644 index 01d1f5db1..000000000 --- a/src/test/ui/type-alias-impl-trait/missing_lifetime_bound.rs +++ /dev/null @@ -1,7 +0,0 @@ -#![feature(type_alias_impl_trait)] - -type Opaque<'a, T> = impl Sized; -fn defining<'a, T>(x: &'a i32) -> Opaque<T> { x } -//~^ ERROR: hidden type for `Opaque<'a, T>` captures lifetime that does not appear in bounds - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/missing_lifetime_bound.stderr b/src/test/ui/type-alias-impl-trait/missing_lifetime_bound.stderr deleted file mode 100644 index 65a0af0d2..000000000 --- a/src/test/ui/type-alias-impl-trait/missing_lifetime_bound.stderr +++ /dev/null @@ -1,11 +0,0 @@ -error[E0700]: hidden type for `Opaque<'a, T>` captures lifetime that does not appear in bounds - --> $DIR/missing_lifetime_bound.rs:4:47 - | -LL | fn defining<'a, T>(x: &'a i32) -> Opaque<T> { x } - | -- ^ - | | - | hidden type `&'a i32` captures the lifetime `'a` as defined here - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0700`. diff --git a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn-infer.rs b/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn-infer.rs deleted file mode 100644 index b887fcf30..000000000 --- a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn-infer.rs +++ /dev/null @@ -1,13 +0,0 @@ -// https://github.com/rust-lang/rust/issues/73481 -// This test used to cause unsoundness, since one of the two possible -// resolutions was chosen at random instead of erroring due to conflicts. - -#![feature(type_alias_impl_trait)] - -type Y<A, B> = impl std::fmt::Debug; - -fn g<A, B>() -> (Y<A, B>, Y<B, A>) { - (42_i64, 60) //~ ERROR concrete type differs from previous defining opaque type use -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn-infer.stderr b/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn-infer.stderr deleted file mode 100644 index 278117009..000000000 --- a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn-infer.stderr +++ /dev/null @@ -1,11 +0,0 @@ -error: concrete type differs from previous defining opaque type use - --> $DIR/multiple-def-uses-in-one-fn-infer.rs:10:5 - | -LL | (42_i64, 60) - | ^^^^^^^^^^^^ - | | - | expected `i64`, got `i32` - | this expression supplies two conflicting concrete types for the same opaque type - -error: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn-lifetimes.rs b/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn-lifetimes.rs deleted file mode 100644 index 65eb2952e..000000000 --- a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn-lifetimes.rs +++ /dev/null @@ -1,13 +0,0 @@ -#![feature(type_alias_impl_trait)] - -pub trait Captures<'a> {} - -impl<'a, T: ?Sized> Captures<'a> for T {} - -type Foo<'a, 'b> = impl std::fmt::Debug + Captures<'a> + Captures<'b>; - -fn foo<'x, 'y>(i: &'x i32, j: &'y i32) -> (Foo<'x, 'y>, Foo<'y, 'x>) { - (i, i) //~ ERROR concrete type differs from previous -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn-lifetimes.stderr b/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn-lifetimes.stderr deleted file mode 100644 index d7676b8e9..000000000 --- a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn-lifetimes.stderr +++ /dev/null @@ -1,11 +0,0 @@ -error: concrete type differs from previous defining opaque type use - --> $DIR/multiple-def-uses-in-one-fn-lifetimes.rs:10:5 - | -LL | (i, i) - | ^^^^^^ - | | - | expected `&'a i32`, got `&'b i32` - | this expression supplies two conflicting concrete types for the same opaque type - -error: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn-pass.rs b/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn-pass.rs deleted file mode 100644 index 21fca047a..000000000 --- a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn-pass.rs +++ /dev/null @@ -1,25 +0,0 @@ -// check-pass -#![feature(type_alias_impl_trait)] - -type X<A: ToString + Clone, B: ToString + Clone> = impl ToString; - -fn f<A: ToString + Clone, B: ToString + Clone>(a: A, b: B) -> (X<A, B>, X<A, B>) { - (a.clone(), a) -} - -pub trait Captures<'a> {} - -impl<'a, T: ?Sized> Captures<'a> for T {} - -type Foo<'a, 'b> = impl std::fmt::Debug + Captures<'a> + Captures<'b>; - -fn foo<'x, 'y>(i: &'x i32, j: &'y i32) -> (Foo<'x, 'y>, Foo<'y, 'x>) { - (i, j) -} - -fn main() { - println!("{}", <X<_, _> as ToString>::to_string(&f(42_i32, String::new()).1)); - let meh = 42; - let muh = 69; - println!("{:?}", foo(&meh, &muh)); -} diff --git a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn.rs b/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn.rs deleted file mode 100644 index da845e861..000000000 --- a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn.rs +++ /dev/null @@ -1,16 +0,0 @@ -// https://github.com/rust-lang/rust/issues/73481 -// This test used to cause unsoundness, since one of the two possible -// resolutions was chosen at random instead of erroring due to conflicts. - -#![feature(type_alias_impl_trait)] - -type X<A, B> = impl Into<&'static A>; - -fn f<A, B: 'static>(a: &'static A, b: B) -> (X<A, B>, X<B, A>) { - //~^ ERROR the trait bound `&'static B: From<&A>` is not satisfied - (a, a) -} - -fn main() { - println!("{}", <X<_, _> as Into<&String>>::into(f(&[1isize, 2, 3], String::new()).1)); -} diff --git a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn.stderr b/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn.stderr deleted file mode 100644 index 66a6b0bbf..000000000 --- a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error[E0277]: the trait bound `&'static B: From<&A>` is not satisfied - --> $DIR/multiple-def-uses-in-one-fn.rs:9:45 - | -LL | fn f<A, B: 'static>(a: &'static A, b: B) -> (X<A, B>, X<B, A>) { - | ^^^^^^^^^^^^^^^^^^ the trait `From<&A>` is not implemented for `&'static B` - | - = note: required for `&A` to implement `Into<&'static B>` -help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement - | -LL | fn f<A, B: 'static>(a: &'static A, b: B) -> (X<A, B>, X<B, A>) where &'static B: From<&A> { - | ++++++++++++++++++++++++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn2.rs b/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn2.rs deleted file mode 100644 index 14510a529..000000000 --- a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn2.rs +++ /dev/null @@ -1,16 +0,0 @@ -// https://github.com/rust-lang/rust/issues/73481 -// This test used to cause unsoundness, since one of the two possible -// resolutions was chosen at random instead of erroring due to conflicts. - -#![feature(type_alias_impl_trait)] - -type X<A: ToString + Clone, B: ToString + Clone> = impl ToString; - -fn f<A: ToString + Clone, B: ToString + Clone>(a: A, b: B) -> (X<A, B>, X<B, A>) { - (a.clone(), a) - //~^ ERROR concrete type differs from previous defining opaque type -} - -fn main() { - println!("{}", <X<_, _> as ToString>::to_string(&f(42_i32, String::new()).1)); -} diff --git a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn2.stderr b/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn2.stderr deleted file mode 100644 index 0f752212a..000000000 --- a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn2.stderr +++ /dev/null @@ -1,11 +0,0 @@ -error: concrete type differs from previous defining opaque type use - --> $DIR/multiple-def-uses-in-one-fn2.rs:10:5 - | -LL | (a.clone(), a) - | ^^^^^^^^^^^^^^ - | | - | expected `A`, got `B` - | this expression supplies two conflicting concrete types for the same opaque type - -error: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn3.rs b/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn3.rs deleted file mode 100644 index 11a922443..000000000 --- a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn3.rs +++ /dev/null @@ -1,18 +0,0 @@ -// https://github.com/rust-lang/rust/issues/73481 -// This test used to cause unsoundness, since one of the two possible -// resolutions was chosen at random instead of erroring due to conflicts. - -#![feature(type_alias_impl_trait)] - -type X<A: ToString + Clone, B: ToString + Clone> = impl ToString; - -fn f<A: ToString + Clone, B: ToString + Clone>(a: A, b: B) -> (X<A, B>, X<B, A>) { - (a, b) -} - -fn g<A: ToString + Clone, B: ToString + Clone>(a: A, b: B) -> (X<A, B>, X<A, B>) { - (a, b) - //~^ ERROR mismatched types -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn3.stderr b/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn3.stderr deleted file mode 100644 index bbe709dcc..000000000 --- a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn3.stderr +++ /dev/null @@ -1,18 +0,0 @@ -error[E0308]: mismatched types - --> $DIR/multiple-def-uses-in-one-fn3.rs:14:9 - | -LL | fn g<A: ToString + Clone, B: ToString + Clone>(a: A, b: B) -> (X<A, B>, X<A, B>) { - | - - found type parameter - | | - | expected type parameter -LL | (a, b) - | ^ expected type parameter `A`, found type parameter `B` - | - = note: expected type parameter `A` - found type parameter `B` - = note: a type parameter was expected, but a different one was found; you might be missing a type parameter or trait bound - = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/type-alias-impl-trait/multiple_definitions.rs b/src/test/ui/type-alias-impl-trait/multiple_definitions.rs deleted file mode 100644 index 9e6268e63..000000000 --- a/src/test/ui/type-alias-impl-trait/multiple_definitions.rs +++ /dev/null @@ -1,30 +0,0 @@ -// check-pass - -use std::marker::PhantomData; - -pub struct ConcreteError {} -pub trait IoBase {} -struct X {} -impl IoBase for X {} - -pub struct ClusterIterator<B, E, S = B> { - pub fat: B, - phantom_s: PhantomData<S>, - phantom_e: PhantomData<E>, -} - -pub struct FileSystem<IO: IoBase> { - pub disk: IO, -} - -impl<IO: IoBase> FileSystem<IO> { - pub fn cluster_iter(&self) -> ClusterIterator<impl IoBase + '_, ConcreteError> { - ClusterIterator { - fat: X {}, - phantom_s: PhantomData::default(), - phantom_e: PhantomData::default(), - } - } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/nested-tait-inference.rs b/src/test/ui/type-alias-impl-trait/nested-tait-inference.rs deleted file mode 100644 index 822489716..000000000 --- a/src/test/ui/type-alias-impl-trait/nested-tait-inference.rs +++ /dev/null @@ -1,18 +0,0 @@ -#![feature(type_alias_impl_trait)] -#![allow(dead_code)] - -use std::fmt::Debug; - -type FooX = impl Debug; - -trait Foo<A> { } - -impl Foo<()> for () { } - -fn foo() -> impl Foo<FooX> { - //~^ ERROR: the trait bound `(): Foo<FooX>` is not satisfied - // FIXME(type-alias-impl-trait): We could probably make this work. - () -} - -fn main() { } diff --git a/src/test/ui/type-alias-impl-trait/nested-tait-inference.stderr b/src/test/ui/type-alias-impl-trait/nested-tait-inference.stderr deleted file mode 100644 index 62db019ed..000000000 --- a/src/test/ui/type-alias-impl-trait/nested-tait-inference.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error[E0277]: the trait bound `(): Foo<FooX>` is not satisfied - --> $DIR/nested-tait-inference.rs:12:13 - | -LL | fn foo() -> impl Foo<FooX> { - | ^^^^^^^^^^^^^^ the trait `Foo<FooX>` is not implemented for `()` -... -LL | () - | -- return type was inferred to be `()` here - | - = help: the trait `Foo<()>` is implemented for `()` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/nested-tait-inference2.rs b/src/test/ui/type-alias-impl-trait/nested-tait-inference2.rs deleted file mode 100644 index 0d7f5bad2..000000000 --- a/src/test/ui/type-alias-impl-trait/nested-tait-inference2.rs +++ /dev/null @@ -1,18 +0,0 @@ -#![feature(type_alias_impl_trait)] -#![allow(dead_code)] - -use std::fmt::Debug; - -type FooX = impl Debug; - -trait Foo<A> {} - -impl Foo<()> for () {} -impl Foo<u32> for () {} - -fn foo() -> impl Foo<FooX> { - //~^ ERROR: the trait bound `(): Foo<FooX>` is not satisfied - () -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/nested-tait-inference2.stderr b/src/test/ui/type-alias-impl-trait/nested-tait-inference2.stderr deleted file mode 100644 index f4d96038d..000000000 --- a/src/test/ui/type-alias-impl-trait/nested-tait-inference2.stderr +++ /dev/null @@ -1,16 +0,0 @@ -error[E0277]: the trait bound `(): Foo<FooX>` is not satisfied - --> $DIR/nested-tait-inference2.rs:13:13 - | -LL | fn foo() -> impl Foo<FooX> { - | ^^^^^^^^^^^^^^ the trait `Foo<FooX>` is not implemented for `()` -LL | -LL | () - | -- return type was inferred to be `()` here - | - = help: the following other types implement trait `Foo<A>`: - <() as Foo<()>> - <() as Foo<u32>> - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/nested-tait-inference3.rs b/src/test/ui/type-alias-impl-trait/nested-tait-inference3.rs deleted file mode 100644 index b0ebdd1bf..000000000 --- a/src/test/ui/type-alias-impl-trait/nested-tait-inference3.rs +++ /dev/null @@ -1,17 +0,0 @@ -#![feature(type_alias_impl_trait)] -#![allow(dead_code)] - -use std::fmt::Debug; - -type FooX = impl Debug; -//~^ ERROR unconstrained opaque type - -trait Foo<A> { } - -impl Foo<FooX> for () { } - -fn foo() -> impl Foo<FooX> { - () -} - -fn main() { } diff --git a/src/test/ui/type-alias-impl-trait/nested-tait-inference3.stderr b/src/test/ui/type-alias-impl-trait/nested-tait-inference3.stderr deleted file mode 100644 index b1d947a9c..000000000 --- a/src/test/ui/type-alias-impl-trait/nested-tait-inference3.stderr +++ /dev/null @@ -1,10 +0,0 @@ -error: unconstrained opaque type - --> $DIR/nested-tait-inference3.rs:6:13 - | -LL | type FooX = impl Debug; - | ^^^^^^^^^^ - | - = note: `FooX` must be used in combination with a concrete type within the same module - -error: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/nested.rs b/src/test/ui/type-alias-impl-trait/nested.rs deleted file mode 100644 index 6b866be7d..000000000 --- a/src/test/ui/type-alias-impl-trait/nested.rs +++ /dev/null @@ -1,17 +0,0 @@ -#![feature(type_alias_impl_trait)] - -type Foo = impl std::fmt::Debug; -type Bar = impl Trait<Foo>; - -trait Trait<T> {} - -impl<T, U> Trait<T> for U {} - -fn bar() -> Bar { - 42 -} - -fn main() { - println!("{:?}", bar()); - //~^ ERROR `Bar` doesn't implement `Debug` -} diff --git a/src/test/ui/type-alias-impl-trait/nested.stderr b/src/test/ui/type-alias-impl-trait/nested.stderr deleted file mode 100644 index 732af5c0b..000000000 --- a/src/test/ui/type-alias-impl-trait/nested.stderr +++ /dev/null @@ -1,12 +0,0 @@ -error[E0277]: `Bar` doesn't implement `Debug` - --> $DIR/nested.rs:15:22 - | -LL | println!("{:?}", bar()); - | ^^^^^ `Bar` cannot be formatted using `{:?}` because it doesn't implement `Debug` - | - = help: the trait `Debug` is not implemented for `Bar` - = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/nested_type_alias_impl_trait.rs b/src/test/ui/type-alias-impl-trait/nested_type_alias_impl_trait.rs deleted file mode 100644 index 60b6e1aac..000000000 --- a/src/test/ui/type-alias-impl-trait/nested_type_alias_impl_trait.rs +++ /dev/null @@ -1,20 +0,0 @@ -#![feature(type_alias_impl_trait)] - -mod my_mod { - use std::fmt::Debug; - - pub type Foo = impl Debug; - pub type Foot = impl Debug; - - pub fn get_foo() -> Foo { - 5i32 - } - - pub fn get_foot() -> Foot { - get_foo() //~ ERROR opaque type's hidden type cannot be another opaque type - } -} - -fn main() { - let _: my_mod::Foot = my_mod::get_foot(); -} diff --git a/src/test/ui/type-alias-impl-trait/nested_type_alias_impl_trait.stderr b/src/test/ui/type-alias-impl-trait/nested_type_alias_impl_trait.stderr deleted file mode 100644 index fa6ecf68d..000000000 --- a/src/test/ui/type-alias-impl-trait/nested_type_alias_impl_trait.stderr +++ /dev/null @@ -1,19 +0,0 @@ -error: opaque type's hidden type cannot be another opaque type from the same scope - --> $DIR/nested_type_alias_impl_trait.rs:14:9 - | -LL | get_foo() - | ^^^^^^^^^ one of the two opaque types used here has to be outside its defining scope - | -note: opaque type whose hidden type is being assigned - --> $DIR/nested_type_alias_impl_trait.rs:7:21 - | -LL | pub type Foot = impl Debug; - | ^^^^^^^^^^ -note: opaque type being used as hidden type - --> $DIR/nested_type_alias_impl_trait.rs:6:20 - | -LL | pub type Foo = impl Debug; - | ^^^^^^^^^^ - -error: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/never_reveal_concrete_type.rs b/src/test/ui/type-alias-impl-trait/never_reveal_concrete_type.rs deleted file mode 100644 index fed5ac07c..000000000 --- a/src/test/ui/type-alias-impl-trait/never_reveal_concrete_type.rs +++ /dev/null @@ -1,14 +0,0 @@ -#![feature(type_alias_impl_trait)] -// check-pass -fn main() {} - -type NoReveal = impl std::fmt::Debug; - -fn define_no_reveal() -> NoReveal { - "" -} - -fn no_reveal(x: NoReveal) { - let _: &'static str = x; - let _ = x as &'static str; -} diff --git a/src/test/ui/type-alias-impl-trait/no_inferrable_concrete_type.rs b/src/test/ui/type-alias-impl-trait/no_inferrable_concrete_type.rs deleted file mode 100644 index 46621362e..000000000 --- a/src/test/ui/type-alias-impl-trait/no_inferrable_concrete_type.rs +++ /dev/null @@ -1,19 +0,0 @@ -// Issue 52985: user code provides no use case that allows a type alias `impl Trait` -// We now emit a 'unconstrained opaque type' error - -#![feature(type_alias_impl_trait)] - -mod foo { - pub type Foo = impl Copy; - //~^ ERROR unconstrained opaque type - - // make compiler happy about using 'Foo' - pub fn bar(x: Foo) -> Foo { - x - } -} - -fn main() { - let _: foo::Foo = std::mem::transmute(0u8); - //~^ ERROR cannot transmute between types of different sizes, or dependently-sized types -} diff --git a/src/test/ui/type-alias-impl-trait/no_inferrable_concrete_type.stderr b/src/test/ui/type-alias-impl-trait/no_inferrable_concrete_type.stderr deleted file mode 100644 index 337708b87..000000000 --- a/src/test/ui/type-alias-impl-trait/no_inferrable_concrete_type.stderr +++ /dev/null @@ -1,20 +0,0 @@ -error: unconstrained opaque type - --> $DIR/no_inferrable_concrete_type.rs:7:20 - | -LL | pub type Foo = impl Copy; - | ^^^^^^^^^ - | - = note: `Foo` must be used in combination with a concrete type within the same module - -error[E0512]: cannot transmute between types of different sizes, or dependently-sized types - --> $DIR/no_inferrable_concrete_type.rs:17:23 - | -LL | let _: foo::Foo = std::mem::transmute(0u8); - | ^^^^^^^^^^^^^^^^^^^ - | - = note: source type: `u8` (8 bits) - = note: target type: `Foo` (size can vary because of [type error]) - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0512`. diff --git a/src/test/ui/type-alias-impl-trait/no_revealing_outside_defining_module.rs b/src/test/ui/type-alias-impl-trait/no_revealing_outside_defining_module.rs deleted file mode 100644 index 61153b1e1..000000000 --- a/src/test/ui/type-alias-impl-trait/no_revealing_outside_defining_module.rs +++ /dev/null @@ -1,24 +0,0 @@ -#![feature(type_alias_impl_trait)] - -fn main() {} - -mod boo { - pub type Boo = impl ::std::fmt::Debug; - fn bomp() -> Boo { - "" - } -} - -// We don't actually know the type here. - -fn bomp2() { - let _: &str = bomp(); //~ ERROR mismatched types -} - -fn bomp() -> boo::Boo { - "" //~ ERROR mismatched types -} - -fn bomp_loop() -> boo::Boo { - loop {} -} diff --git a/src/test/ui/type-alias-impl-trait/no_revealing_outside_defining_module.stderr b/src/test/ui/type-alias-impl-trait/no_revealing_outside_defining_module.stderr deleted file mode 100644 index ae03a5b3e..000000000 --- a/src/test/ui/type-alias-impl-trait/no_revealing_outside_defining_module.stderr +++ /dev/null @@ -1,31 +0,0 @@ -error[E0308]: mismatched types - --> $DIR/no_revealing_outside_defining_module.rs:15:19 - | -LL | pub type Boo = impl ::std::fmt::Debug; - | ---------------------- the found opaque type -... -LL | let _: &str = bomp(); - | ---- ^^^^^^ expected `&str`, found opaque type - | | - | expected due to this - | - = note: expected reference `&str` - found opaque type `Boo` - -error[E0308]: mismatched types - --> $DIR/no_revealing_outside_defining_module.rs:19:5 - | -LL | pub type Boo = impl ::std::fmt::Debug; - | ---------------------- the expected opaque type -... -LL | fn bomp() -> boo::Boo { - | -------- expected `Boo` because of return type -LL | "" - | ^^ expected opaque type, found `&str` - | - = note: expected opaque type `Boo` - found reference `&'static str` - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/type-alias-impl-trait/not_a_defining_use.rs b/src/test/ui/type-alias-impl-trait/not_a_defining_use.rs deleted file mode 100644 index fa47d13f5..000000000 --- a/src/test/ui/type-alias-impl-trait/not_a_defining_use.rs +++ /dev/null @@ -1,36 +0,0 @@ -#![feature(type_alias_impl_trait)] - -use std::fmt::Debug; - -fn main() {} - -type Two<T, U> = impl Debug; - -fn three<T: Debug, U>(t: T) -> Two<T, U> { - (t, 5i8) - //~^ ERROR `T` doesn't implement `Debug` -} - -trait Bar { - type Blub: Debug; - const FOO: Self::Blub; -} - -impl Bar for u32 { - type Blub = i32; - const FOO: i32 = 42; -} - -fn four<T: Debug, U: Bar>(t: T) -> Two<T, U> { - (t, <U as Bar>::FOO) - //~^ ERROR `U: Bar` is not satisfied - //~| ERROR `T` doesn't implement `Debug` -} - -fn is_sync<T: Sync>() {} - -fn asdfl() { - //FIXME(oli-obk): these currently cause cycle errors - //is_sync::<Two<i32, u32>>(); - //is_sync::<Two<i32, *const i32>>(); -} diff --git a/src/test/ui/type-alias-impl-trait/not_a_defining_use.stderr b/src/test/ui/type-alias-impl-trait/not_a_defining_use.stderr deleted file mode 100644 index b11198c58..000000000 --- a/src/test/ui/type-alias-impl-trait/not_a_defining_use.stderr +++ /dev/null @@ -1,38 +0,0 @@ -error[E0277]: `T` doesn't implement `Debug` - --> $DIR/not_a_defining_use.rs:10:5 - | -LL | (t, 5i8) - | ^^^^^^^^ `T` cannot be formatted using `{:?}` because it doesn't implement `Debug` - | - = note: required for `(T, i8)` to implement `Debug` -help: consider restricting type parameter `T` - | -LL | type Two<T: std::fmt::Debug, U> = impl Debug; - | +++++++++++++++++ - -error[E0277]: the trait bound `U: Bar` is not satisfied - --> $DIR/not_a_defining_use.rs:25:5 - | -LL | (t, <U as Bar>::FOO) - | ^^^^^^^^^^^^^^^^^^^^ the trait `Bar` is not implemented for `U` - | -help: consider restricting type parameter `U` - | -LL | type Two<T, U: Bar> = impl Debug; - | +++++ - -error[E0277]: `T` doesn't implement `Debug` - --> $DIR/not_a_defining_use.rs:25:5 - | -LL | (t, <U as Bar>::FOO) - | ^^^^^^^^^^^^^^^^^^^^ `T` cannot be formatted using `{:?}` because it doesn't implement `Debug` - | - = note: required for `(T, _)` to implement `Debug` -help: consider restricting type parameter `T` - | -LL | type Two<T: std::fmt::Debug, U> = impl Debug; - | +++++++++++++++++ - -error: aborting due to 3 previous errors - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/not_well_formed.rs b/src/test/ui/type-alias-impl-trait/not_well_formed.rs deleted file mode 100644 index fbb7a4d58..000000000 --- a/src/test/ui/type-alias-impl-trait/not_well_formed.rs +++ /dev/null @@ -1,17 +0,0 @@ -#![feature(type_alias_impl_trait)] - -fn main() {} - -trait TraitWithAssoc { - type Assoc; -} - -type Foo<V> = impl Trait<V::Assoc>; //~ associated type `Assoc` not found for `V` - -trait Trait<U> {} - -impl<W> Trait<W> for () {} - -fn foo_desugared<T: TraitWithAssoc>(_: T) -> Foo<T> { - () -} diff --git a/src/test/ui/type-alias-impl-trait/not_well_formed.stderr b/src/test/ui/type-alias-impl-trait/not_well_formed.stderr deleted file mode 100644 index c36b95f47..000000000 --- a/src/test/ui/type-alias-impl-trait/not_well_formed.stderr +++ /dev/null @@ -1,9 +0,0 @@ -error[E0220]: associated type `Assoc` not found for `V` - --> $DIR/not_well_formed.rs:9:29 - | -LL | type Foo<V> = impl Trait<V::Assoc>; - | ^^^^^ there is a similarly named associated type `Assoc` in the trait `TraitWithAssoc` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0220`. diff --git a/src/test/ui/type-alias-impl-trait/reveal_local.rs b/src/test/ui/type-alias-impl-trait/reveal_local.rs deleted file mode 100644 index 7ecb55353..000000000 --- a/src/test/ui/type-alias-impl-trait/reveal_local.rs +++ /dev/null @@ -1,25 +0,0 @@ -#![feature(type_alias_impl_trait)] - -use std::fmt::Debug; - -type Foo = impl Debug; -//~^ ERROR cycle detected - -fn is_send<T: Send>() { } - -fn not_good() { - // Error: this function does not constrain `Foo` to any particular - // hidden type, so it cannot rely on `Send` being true. - is_send::<Foo>(); -} - -fn not_gooder() { - // Constrain `Foo = u32` - let x: Foo = 22_u32; - - // while we could know this from the hidden type, it would - // need extra roundabout logic to support it. - is_send::<Foo>(); -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/reveal_local.stderr b/src/test/ui/type-alias-impl-trait/reveal_local.stderr deleted file mode 100644 index 27fded333..000000000 --- a/src/test/ui/type-alias-impl-trait/reveal_local.stderr +++ /dev/null @@ -1,28 +0,0 @@ -error[E0391]: cycle detected when computing type of `Foo::{opaque#0}` - --> $DIR/reveal_local.rs:5:12 - | -LL | type Foo = impl Debug; - | ^^^^^^^^^^ - | -note: ...which requires type-checking `not_good`... - --> $DIR/reveal_local.rs:13:5 - | -LL | is_send::<Foo>(); - | ^^^^^^^^^^^^^^ - = note: ...which requires evaluating trait selection obligation `Foo: core::marker::Send`... - = note: ...which again requires computing type of `Foo::{opaque#0}`, completing the cycle -note: cycle used when checking item types in top-level module - --> $DIR/reveal_local.rs:1:1 - | -LL | / #![feature(type_alias_impl_trait)] -LL | | -LL | | use std::fmt::Debug; -LL | | -... | -LL | | -LL | | fn main() {} - | |____________^ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0391`. diff --git a/src/test/ui/type-alias-impl-trait/self-referential-2.rs b/src/test/ui/type-alias-impl-trait/self-referential-2.rs deleted file mode 100644 index 8781196c3..000000000 --- a/src/test/ui/type-alias-impl-trait/self-referential-2.rs +++ /dev/null @@ -1,10 +0,0 @@ -#![feature(type_alias_impl_trait)] - -type Foo = impl std::fmt::Debug; -type Bar = impl PartialEq<Foo>; - -fn bar() -> Bar { - 42_i32 //~^ ERROR can't compare `i32` with `Foo` -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/self-referential-2.stderr b/src/test/ui/type-alias-impl-trait/self-referential-2.stderr deleted file mode 100644 index c2cf70687..000000000 --- a/src/test/ui/type-alias-impl-trait/self-referential-2.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error[E0277]: can't compare `i32` with `Foo` - --> $DIR/self-referential-2.rs:6:13 - | -LL | fn bar() -> Bar { - | ^^^ no implementation for `i32 == Foo` -LL | 42_i32 - | ------ return type was inferred to be `i32` here - | - = help: the trait `PartialEq<Foo>` is not implemented for `i32` - = help: the trait `PartialEq` is implemented for `i32` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/self-referential-3.rs b/src/test/ui/type-alias-impl-trait/self-referential-3.rs deleted file mode 100644 index d40715717..000000000 --- a/src/test/ui/type-alias-impl-trait/self-referential-3.rs +++ /dev/null @@ -1,14 +0,0 @@ -// run-pass -#![feature(type_alias_impl_trait)] - -type Bar<'a, 'b> = impl PartialEq<Bar<'a, 'b>> + std::fmt::Debug; - -fn bar<'a, 'b>(i: &'a i32) -> Bar<'a, 'b> { - i -} - -fn main() { - let meh = 42; - let muh = 42; - assert_eq!(bar(&meh), bar(&muh)); -} diff --git a/src/test/ui/type-alias-impl-trait/self-referential-4.rs b/src/test/ui/type-alias-impl-trait/self-referential-4.rs deleted file mode 100644 index 36742c8ad..000000000 --- a/src/test/ui/type-alias-impl-trait/self-referential-4.rs +++ /dev/null @@ -1,25 +0,0 @@ -#![feature(type_alias_impl_trait)] - -type Bar<'a, 'b> = impl PartialEq<Bar<'b, 'static>> + std::fmt::Debug; - -fn bar<'a, 'b>(i: &'a i32) -> Bar<'a, 'b> { - i //~^ ERROR can't compare `&i32` with `Bar<'b, 'static>` -} - -type Foo<'a, 'b> = impl PartialEq<Foo<'static, 'b>> + std::fmt::Debug; - -fn foo<'a, 'b>(i: &'a i32) -> Foo<'a, 'b> { - i //~^ ERROR can't compare `&i32` with `Foo<'static, 'b>` -} - -type Moo<'a, 'b> = impl PartialEq<Moo<'static, 'a>> + std::fmt::Debug; - -fn moo<'a, 'b>(i: &'a i32) -> Moo<'a, 'b> { - i //~^ ERROR can't compare `&i32` with `Moo<'static, 'a>` -} - -fn main() { - let meh = 42; - let muh = 69; - assert_eq!(bar(&meh), bar(&meh)); -} diff --git a/src/test/ui/type-alias-impl-trait/self-referential-4.stderr b/src/test/ui/type-alias-impl-trait/self-referential-4.stderr deleted file mode 100644 index 98c762e3d..000000000 --- a/src/test/ui/type-alias-impl-trait/self-referential-4.stderr +++ /dev/null @@ -1,36 +0,0 @@ -error[E0277]: can't compare `&i32` with `Bar<'b, 'static>` - --> $DIR/self-referential-4.rs:5:31 - | -LL | fn bar<'a, 'b>(i: &'a i32) -> Bar<'a, 'b> { - | ^^^^^^^^^^^ no implementation for `&i32 == Bar<'b, 'static>` -LL | i - | - return type was inferred to be `&i32` here - | - = help: the trait `PartialEq<Bar<'b, 'static>>` is not implemented for `&i32` - = help: the trait `PartialEq` is implemented for `i32` - -error[E0277]: can't compare `&i32` with `Foo<'static, 'b>` - --> $DIR/self-referential-4.rs:11:31 - | -LL | fn foo<'a, 'b>(i: &'a i32) -> Foo<'a, 'b> { - | ^^^^^^^^^^^ no implementation for `&i32 == Foo<'static, 'b>` -LL | i - | - return type was inferred to be `&i32` here - | - = help: the trait `PartialEq<Foo<'static, 'b>>` is not implemented for `&i32` - = help: the trait `PartialEq` is implemented for `i32` - -error[E0277]: can't compare `&i32` with `Moo<'static, 'a>` - --> $DIR/self-referential-4.rs:17:31 - | -LL | fn moo<'a, 'b>(i: &'a i32) -> Moo<'a, 'b> { - | ^^^^^^^^^^^ no implementation for `&i32 == Moo<'static, 'a>` -LL | i - | - return type was inferred to be `&i32` here - | - = help: the trait `PartialEq<Moo<'static, 'a>>` is not implemented for `&i32` - = help: the trait `PartialEq` is implemented for `i32` - -error: aborting due to 3 previous errors - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/self-referential.rs b/src/test/ui/type-alias-impl-trait/self-referential.rs deleted file mode 100644 index 3ff5406a3..000000000 --- a/src/test/ui/type-alias-impl-trait/self-referential.rs +++ /dev/null @@ -1,28 +0,0 @@ -#![feature(type_alias_impl_trait)] - -type Bar<'a, 'b> = impl PartialEq<Bar<'b, 'a>> + std::fmt::Debug; - -fn bar<'a, 'b>(i: &'a i32) -> Bar<'a, 'b> { - //~^ ERROR can't compare `&i32` with `Bar<'b, 'a>` - i -} - -type Foo<'a, 'b> = (i32, impl PartialEq<Foo<'a, 'b>> + std::fmt::Debug); - -fn foo<'a, 'b>(i: &'a i32) -> Foo<'a, 'b> { - //~^ ERROR can't compare `&i32` with `(i32, &i32)` - (42, i) -} - -type Moo<'a, 'b> = (i32, impl PartialEq<Moo<'b, 'a>> + std::fmt::Debug); - -fn moo<'a, 'b>(i: &'a i32) -> Moo<'a, 'b> { - //~^ ERROR can't compare `&i32` with `(i32, Moo<'b, 'a>::{opaque#0})` - (42, i) -} - -fn main() { - let meh = 42; - let muh = 69; - assert_eq!(bar(&meh), bar(&meh)); -} diff --git a/src/test/ui/type-alias-impl-trait/self-referential.stderr b/src/test/ui/type-alias-impl-trait/self-referential.stderr deleted file mode 100644 index aff489d70..000000000 --- a/src/test/ui/type-alias-impl-trait/self-referential.stderr +++ /dev/null @@ -1,39 +0,0 @@ -error[E0277]: can't compare `&i32` with `Bar<'b, 'a>` - --> $DIR/self-referential.rs:5:31 - | -LL | fn bar<'a, 'b>(i: &'a i32) -> Bar<'a, 'b> { - | ^^^^^^^^^^^ no implementation for `&i32 == Bar<'b, 'a>` -LL | -LL | i - | - return type was inferred to be `&i32` here - | - = help: the trait `PartialEq<Bar<'b, 'a>>` is not implemented for `&i32` - = help: the trait `PartialEq` is implemented for `i32` - -error[E0277]: can't compare `&i32` with `(i32, &i32)` - --> $DIR/self-referential.rs:12:31 - | -LL | fn foo<'a, 'b>(i: &'a i32) -> Foo<'a, 'b> { - | ^^^^^^^^^^^ no implementation for `&i32 == (i32, &i32)` -LL | -LL | (42, i) - | ------- return type was inferred to be `(i32, &i32)` here - | - = help: the trait `PartialEq<(i32, &i32)>` is not implemented for `&i32` - = help: the trait `PartialEq` is implemented for `i32` - -error[E0277]: can't compare `&i32` with `(i32, Moo<'b, 'a>::{opaque#0})` - --> $DIR/self-referential.rs:19:31 - | -LL | fn moo<'a, 'b>(i: &'a i32) -> Moo<'a, 'b> { - | ^^^^^^^^^^^ no implementation for `&i32 == (i32, Moo<'b, 'a>::{opaque#0})` -LL | -LL | (42, i) - | ------- return type was inferred to be `(i32, &i32)` here - | - = help: the trait `PartialEq<(i32, Moo<'b, 'a>::{opaque#0})>` is not implemented for `&i32` - = help: the trait `PartialEq` is implemented for `i32` - -error: aborting due to 3 previous errors - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/self_implication.rs b/src/test/ui/type-alias-impl-trait/self_implication.rs deleted file mode 100644 index 4e805ee30..000000000 --- a/src/test/ui/type-alias-impl-trait/self_implication.rs +++ /dev/null @@ -1,38 +0,0 @@ -// check-pass - -#![feature(type_alias_impl_trait)] -fn foo() { - struct Foo<'a> { - x: &'a mut u8, - } - impl<'a> Foo<'a> { - fn foo(&self) -> impl Sized {} - } - // use site - let mut x = 5; - let y = Foo { x: &mut x }; - let z = y.foo(); - let _a = &x; // invalidate the `&'a mut`in `y` - let _b = z; // this should *not* check that `'a` in the type `Foo<'a>::foo::opaque` is live -} - -fn bar() { - struct Foo<'a> { - x: &'a mut u8, - } - - // desugared - type FooX<'a> = impl Sized; - impl<'a> Foo<'a> { - fn foo(&self) -> FooX<'a> {} - } - - // use site - let mut x = 5; - let y = Foo { x: &mut x }; - let z = y.foo(); - let _a = &x; // invalidate the `&'a mut`in `y` - let _b = z; // this should *not* check that `'a` in the type `Foo<'a>::foo::opaque` is live -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/static-const-types.rs b/src/test/ui/type-alias-impl-trait/static-const-types.rs deleted file mode 100644 index 748a279e4..000000000 --- a/src/test/ui/type-alias-impl-trait/static-const-types.rs +++ /dev/null @@ -1,13 +0,0 @@ -#![feature(type_alias_impl_trait)] -#![allow(dead_code)] - -// check-pass - -use std::fmt::Debug; - -type Foo = impl Debug; - -static FOO1: Foo = 22_u32; -const FOO2: Foo = 22_u32; - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/structural-match-no-leak.rs b/src/test/ui/type-alias-impl-trait/structural-match-no-leak.rs deleted file mode 100644 index c2ab6a9d1..000000000 --- a/src/test/ui/type-alias-impl-trait/structural-match-no-leak.rs +++ /dev/null @@ -1,20 +0,0 @@ -#![feature(type_alias_impl_trait)] - -type Bar = impl Send; - -// While i32 is structural-match, we do not want to leak this information. -// (See https://github.com/rust-lang/rust/issues/72156) -const fn leak_free() -> Bar { - 7i32 -} -const LEAK_FREE: Bar = leak_free(); - -fn leak_free_test() { - match LEAK_FREE { - LEAK_FREE => (), - //~^ `Bar` cannot be used in patterns - _ => (), - } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/structural-match-no-leak.stderr b/src/test/ui/type-alias-impl-trait/structural-match-no-leak.stderr deleted file mode 100644 index dbc183f54..000000000 --- a/src/test/ui/type-alias-impl-trait/structural-match-no-leak.stderr +++ /dev/null @@ -1,8 +0,0 @@ -error: `Bar` cannot be used in patterns - --> $DIR/structural-match-no-leak.rs:14:9 - | -LL | LEAK_FREE => (), - | ^^^^^^^^^ - -error: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/structural-match.rs b/src/test/ui/type-alias-impl-trait/structural-match.rs deleted file mode 100644 index 7cc9ccaab..000000000 --- a/src/test/ui/type-alias-impl-trait/structural-match.rs +++ /dev/null @@ -1,21 +0,0 @@ -#![feature(type_alias_impl_trait)] - -type Foo = impl Send; - -// This is not structural-match -struct A; - -const fn value() -> Foo { - A -} -const VALUE: Foo = value(); - -fn test() { - match VALUE { - VALUE => (), - //~^ `Foo` cannot be used in patterns - _ => (), - } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/structural-match.stderr b/src/test/ui/type-alias-impl-trait/structural-match.stderr deleted file mode 100644 index 61287f268..000000000 --- a/src/test/ui/type-alias-impl-trait/structural-match.stderr +++ /dev/null @@ -1,8 +0,0 @@ -error: `Foo` cannot be used in patterns - --> $DIR/structural-match.rs:15:9 - | -LL | VALUE => (), - | ^^^^^ - -error: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-assoc-dyn.rs b/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-assoc-dyn.rs deleted file mode 100644 index f6a830296..000000000 --- a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-assoc-dyn.rs +++ /dev/null @@ -1,12 +0,0 @@ -// check-pass - -#![feature(type_alias_impl_trait)] -#![allow(dead_code)] - -type Foo = Box<dyn Iterator<Item = impl Send>>; - -fn make_foo() -> Foo { - Box::new(vec![1, 2, 3].into_iter()) -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-assoc-impl-trait.rs b/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-assoc-impl-trait.rs deleted file mode 100644 index fddecfcac..000000000 --- a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-assoc-impl-trait.rs +++ /dev/null @@ -1,19 +0,0 @@ -// check-pass - -#![feature(type_alias_impl_trait)] -#![allow(dead_code)] - -type Foo = impl Iterator<Item = impl Send>; - -fn make_foo() -> Foo { - vec![1, 2].into_iter() -} - -type Bar = impl Send; -type Baz = impl Iterator<Item = Bar>; - -fn make_baz() -> Baz { - vec!["1", "2"].into_iter() -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-const.rs b/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-const.rs deleted file mode 100644 index 5630e036b..000000000 --- a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-const.rs +++ /dev/null @@ -1,11 +0,0 @@ -#![feature(type_alias_impl_trait)] -// check-pass -// Ensures that `const` items can constrain an opaque `impl Trait`. - -use std::fmt::Debug; - -pub type Foo = impl Debug; - -const _FOO: Foo = 5; - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-fn-type.rs b/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-fn-type.rs deleted file mode 100644 index 857066c78..000000000 --- a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-fn-type.rs +++ /dev/null @@ -1,13 +0,0 @@ -#![feature(type_alias_impl_trait)] -#![allow(dead_code)] - -// FIXME: this is ruled out for now but should work - -type Foo = fn() -> impl Send; -//~^ ERROR: `impl Trait` only allowed in function and inherent method return types - -fn make_foo() -> Foo { - || 15 -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-fn-type.stderr b/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-fn-type.stderr deleted file mode 100644 index a31cf1a51..000000000 --- a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-fn-type.stderr +++ /dev/null @@ -1,9 +0,0 @@ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `fn` pointer return - --> $DIR/type-alias-impl-trait-fn-type.rs:6:20 - | -LL | type Foo = fn() -> impl Send; - | ^^^^^^^^^ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0562`. diff --git a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-fns.rs b/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-fns.rs deleted file mode 100644 index 07c891f06..000000000 --- a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-fns.rs +++ /dev/null @@ -1,26 +0,0 @@ -// check-pass - -#![feature(type_alias_impl_trait)] - -// Regression test for issue #61863 - -pub trait MyTrait {} - -#[derive(Debug)] -pub struct MyStruct { - v: u64, -} - -impl MyTrait for MyStruct {} - -pub fn bla() -> TE { - return MyStruct { v: 1 }; -} - -pub fn bla2() -> TE { - bla() -} - -type TE = impl MyTrait; - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-sized.rs b/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-sized.rs deleted file mode 100644 index c5e8068e5..000000000 --- a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-sized.rs +++ /dev/null @@ -1,25 +0,0 @@ -// check-pass - -#![feature(type_alias_impl_trait)] - -type A = impl Sized; -fn f1() -> A { - 0 -} - -type B = impl ?Sized; -fn f2() -> &'static B { - &[0] -} - -type C = impl ?Sized + 'static; -fn f3() -> &'static C { - &[0] -} - -type D = impl ?Sized; -fn f4() -> &'static D { - &1 -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-struct.rs b/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-struct.rs deleted file mode 100644 index 1a4064055..000000000 --- a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-struct.rs +++ /dev/null @@ -1,12 +0,0 @@ -// check-pass - -#![feature(type_alias_impl_trait)] -#![allow(dead_code)] - -type Foo = Vec<impl Send>; - -fn make_foo() -> Foo { - vec![true, false] -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-tuple.rs b/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-tuple.rs deleted file mode 100644 index 1f2d0e47e..000000000 --- a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-tuple.rs +++ /dev/null @@ -1,30 +0,0 @@ -// check-pass - -#![feature(type_alias_impl_trait)] -#![allow(dead_code)] - -pub trait MyTrait {} - -impl MyTrait for bool {} - -type Foo = impl MyTrait; - -struct Blah { - my_foo: Foo, - my_u8: u8, -} - -impl Blah { - fn new() -> Blah { - Blah { my_foo: make_foo(), my_u8: 12 } - } - fn into_inner(self) -> (Foo, u8, Foo) { - (self.my_foo, self.my_u8, make_foo()) - } -} - -fn make_foo() -> Foo { - true -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-unconstrained-lifetime.rs b/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-unconstrained-lifetime.rs deleted file mode 100644 index efbf4f1e3..000000000 --- a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-unconstrained-lifetime.rs +++ /dev/null @@ -1,18 +0,0 @@ -// regression test for #74018 - -#![feature(type_alias_impl_trait)] - -trait Trait { - type Associated; - fn into(self) -> Self::Associated; -} - -impl<'a, I: Iterator<Item = i32>> Trait for (i32, I) { - //~^ ERROR the lifetime parameter `'a` is not constrained - type Associated = (i32, impl Iterator<Item = i32>); - fn into(self) -> Self::Associated { - (0_i32, [0_i32].iter().copied()) - } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-unconstrained-lifetime.stderr b/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-unconstrained-lifetime.stderr deleted file mode 100644 index 8cdce2f8e..000000000 --- a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-unconstrained-lifetime.stderr +++ /dev/null @@ -1,9 +0,0 @@ -error[E0207]: the lifetime parameter `'a` is not constrained by the impl trait, self type, or predicates - --> $DIR/type-alias-impl-trait-unconstrained-lifetime.rs:10:6 - | -LL | impl<'a, I: Iterator<Item = i32>> Trait for (i32, I) { - | ^^ unconstrained lifetime parameter - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0207`. diff --git a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-with-cycle-error.rs b/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-with-cycle-error.rs deleted file mode 100644 index e5e7fb677..000000000 --- a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-with-cycle-error.rs +++ /dev/null @@ -1,12 +0,0 @@ -#![feature(type_alias_impl_trait)] - -type Foo = impl Fn() -> Foo; -//~^ ERROR: unconstrained opaque type - -fn crash(x: Foo) -> Foo { - x -} - -fn main() { - -} diff --git a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-with-cycle-error.stderr b/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-with-cycle-error.stderr deleted file mode 100644 index a770eeac3..000000000 --- a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-with-cycle-error.stderr +++ /dev/null @@ -1,10 +0,0 @@ -error: unconstrained opaque type - --> $DIR/type-alias-impl-trait-with-cycle-error.rs:3:12 - | -LL | type Foo = impl Fn() -> Foo; - | ^^^^^^^^^^^^^^^^ - | - = note: `Foo` must be used in combination with a concrete type within the same module - -error: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-with-cycle-error2.rs b/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-with-cycle-error2.rs deleted file mode 100644 index 7c7a1b405..000000000 --- a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-with-cycle-error2.rs +++ /dev/null @@ -1,14 +0,0 @@ -#![feature(type_alias_impl_trait)] - -pub trait Bar<T> { - type Item; -} - -type Foo = impl Bar<Foo, Item = Foo>; -//~^ ERROR: unconstrained opaque type - -fn crash(x: Foo) -> Foo { - x -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-with-cycle-error2.stderr b/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-with-cycle-error2.stderr deleted file mode 100644 index 3f3699ce5..000000000 --- a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-with-cycle-error2.stderr +++ /dev/null @@ -1,10 +0,0 @@ -error: unconstrained opaque type - --> $DIR/type-alias-impl-trait-with-cycle-error2.rs:7:12 - | -LL | type Foo = impl Bar<Foo, Item = Foo>; - | ^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: `Foo` must be used in combination with a concrete type within the same module - -error: aborting due to previous error - diff --git a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-with-no-traits.rs b/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-with-no-traits.rs deleted file mode 100644 index 8ca279eec..000000000 --- a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-with-no-traits.rs +++ /dev/null @@ -1,14 +0,0 @@ -#![feature(type_alias_impl_trait)] - -type Foo = impl 'static; -//~^ ERROR: at least one trait must be specified - -fn foo() -> Foo { - "foo" -} - -fn bar() -> impl 'static { //~ ERROR: at least one trait must be specified - "foo" -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-with-no-traits.stderr b/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-with-no-traits.stderr deleted file mode 100644 index 3f7acd338..000000000 --- a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait-with-no-traits.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error: at least one trait must be specified - --> $DIR/type-alias-impl-trait-with-no-traits.rs:3:12 - | -LL | type Foo = impl 'static; - | ^^^^^^^^^^^^ - -error: at least one trait must be specified - --> $DIR/type-alias-impl-trait-with-no-traits.rs:10:13 - | -LL | fn bar() -> impl 'static { - | ^^^^^^^^^^^^ - -error: aborting due to 2 previous errors - diff --git a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait.rs b/src/test/ui/type-alias-impl-trait/type-alias-impl-trait.rs deleted file mode 100644 index 70c2ee427..000000000 --- a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait.rs +++ /dev/null @@ -1,79 +0,0 @@ -// check-pass - -#![allow(dead_code)] -#![allow(unused_assignments)] -#![allow(unused_variables)] -#![feature(type_alias_impl_trait)] - -fn main() { - assert_eq!(foo().to_string(), "foo"); - assert_eq!(bar1().to_string(), "bar1"); - assert_eq!(bar2().to_string(), "bar2"); - let mut x = bar1(); - x = bar2(); - assert_eq!(my_iter(42u8).collect::<Vec<u8>>(), vec![42u8]); -} - -// single definition -type Foo = impl std::fmt::Display; - -fn foo() -> Foo { - "foo" -} - -// two definitions -type Bar = impl std::fmt::Display; - -fn bar1() -> Bar { - "bar1" -} - -fn bar2() -> Bar { - "bar2" -} - -type MyIter<T> = impl Iterator<Item = T>; - -fn my_iter<T>(t: T) -> MyIter<T> { - std::iter::once(t) -} - -fn my_iter2<T>(t: T) -> MyIter<T> { - std::iter::once(t) -} - -// param names should not have an effect! -fn my_iter3<U>(u: U) -> MyIter<U> { - std::iter::once(u) -} - -// param position should not have an effect! -fn my_iter4<U, V>(_: U, v: V) -> MyIter<V> { - std::iter::once(v) -} - -// param names should not have an effect! -type MyOtherIter<T> = impl Iterator<Item = T>; - -fn my_other_iter<U>(u: U) -> MyOtherIter<U> { - std::iter::once(u) -} - -trait Trait {} -type GenericBound<'a, T: Trait + 'a> = impl Sized + 'a; - -fn generic_bound<'a, T: Trait + 'a>(t: T) -> GenericBound<'a, T> { - t -} - -mod pass_through { - pub type Passthrough<T: 'static> = impl Sized + 'static; - - fn define_passthrough<T: 'static>(t: T) -> Passthrough<T> { - t - } -} - -fn use_passthrough(x: pass_through::Passthrough<u32>) -> pass_through::Passthrough<u32> { - x -} diff --git a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait2.rs b/src/test/ui/type-alias-impl-trait/type-alias-impl-trait2.rs deleted file mode 100644 index 67f56bcde..000000000 --- a/src/test/ui/type-alias-impl-trait/type-alias-impl-trait2.rs +++ /dev/null @@ -1,84 +0,0 @@ -// check-pass - -#![allow(dead_code)] -#![allow(unused_assignments)] -#![allow(unused_variables)] -#![feature(type_alias_impl_trait)] - -fn main() { - assert_eq!(foo().to_string(), "foo"); - assert_eq!(bar1().to_string(), "bar1"); - assert_eq!(bar2().to_string(), "bar2"); - let mut x = bar1(); - x = bar2(); - assert_eq!(my_iter(42u8).collect::<Vec<u8>>(), vec![42u8]); -} - -use defining_use_scope::*; - -mod defining_use_scope { - // single definition - pub type Foo = impl std::fmt::Display; - - pub fn foo() -> Foo { - "foo" - } - - // two definitions - pub type Bar = impl std::fmt::Display; - - pub fn bar1() -> Bar { - "bar1" - } - - pub fn bar2() -> Bar { - "bar2" - } - - pub type MyIter<T> = impl Iterator<Item = T>; - - pub fn my_iter<T>(t: T) -> MyIter<T> { - std::iter::once(t) - } - - fn my_iter2<T>(t: T) -> MyIter<T> { - std::iter::once(t) - } - - // param names should not have an effect! - fn my_iter3<U>(u: U) -> MyIter<U> { - std::iter::once(u) - } - - // param position should not have an effect! - fn my_iter4<U, V>(_: U, v: V) -> MyIter<V> { - std::iter::once(v) - } - - // param names should not have an effect! - type MyOtherIter<T> = impl Iterator<Item = T>; - - fn my_other_iter<U>(u: U) -> MyOtherIter<U> { - std::iter::once(u) - } - - trait Trait {} - type GenericBound<'a, T: Trait + 'a> = impl Sized + 'a; - - fn generic_bound<'a, T: Trait + 'a>(t: T) -> GenericBound<'a, T> { - t - } - - mod pass_through { - pub type Passthrough<T: 'static> = impl Sized + 'static; - - fn define_passthrough<T: 'static>(t: T) -> Passthrough<T> { - t - } - } - - fn use_passthrough(x: pass_through::Passthrough<u32>) -> pass_through::Passthrough<u32> { - x - } - -} diff --git a/src/test/ui/type-alias-impl-trait/type-alias-nested-impl-trait.rs b/src/test/ui/type-alias-impl-trait/type-alias-nested-impl-trait.rs deleted file mode 100644 index fd954801d..000000000 --- a/src/test/ui/type-alias-impl-trait/type-alias-nested-impl-trait.rs +++ /dev/null @@ -1,14 +0,0 @@ -// run-pass - -#![feature(type_alias_impl_trait)] - -use std::iter::{once, Chain}; - -type I<A> = Chain<A, impl Iterator<Item = &'static str>>; -fn test2<A: Iterator<Item = &'static str>>(x: A) -> I<A> { - x.chain(once("5")) -} - -fn main() { - assert_eq!(vec!["1", "3", "5"], test2(["1", "3"].iter().cloned()).collect::<Vec<_>>()); -} diff --git a/src/test/ui/type-alias-impl-trait/type_of_a_let.rs b/src/test/ui/type-alias-impl-trait/type_of_a_let.rs deleted file mode 100644 index 4e9d1788b..000000000 --- a/src/test/ui/type-alias-impl-trait/type_of_a_let.rs +++ /dev/null @@ -1,22 +0,0 @@ -#![feature(type_alias_impl_trait)] -#![allow(dead_code)] - -use std::fmt::Debug; - -type Foo = impl Debug; - -fn foo1() -> u32 { - let x: Foo = 22_u32; - x -} - -fn foo2() -> u32 { - let x: Foo = 22_u32; - let y: Foo = x; - same_type((x, y)); //~ ERROR use of moved value - y //~ ERROR use of moved value -} - -fn same_type<T>(x: (T, T)) {} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/type_of_a_let.stderr b/src/test/ui/type-alias-impl-trait/type_of_a_let.stderr deleted file mode 100644 index 1dabe4586..000000000 --- a/src/test/ui/type-alias-impl-trait/type_of_a_let.stderr +++ /dev/null @@ -1,23 +0,0 @@ -error[E0382]: use of moved value: `x` - --> $DIR/type_of_a_let.rs:16:16 - | -LL | let x: Foo = 22_u32; - | - move occurs because `x` has type `Foo`, which does not implement the `Copy` trait -LL | let y: Foo = x; - | - value moved here -LL | same_type((x, y)); - | ^ value used here after move - -error[E0382]: use of moved value: `y` - --> $DIR/type_of_a_let.rs:17:5 - | -LL | let y: Foo = x; - | - move occurs because `y` has type `Foo`, which does not implement the `Copy` trait -LL | same_type((x, y)); - | - value moved here -LL | y - | ^ value used here after move - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0382`. diff --git a/src/test/ui/type-alias-impl-trait/unbounded_opaque_type.rs b/src/test/ui/type-alias-impl-trait/unbounded_opaque_type.rs deleted file mode 100644 index f43ad7dce..000000000 --- a/src/test/ui/type-alias-impl-trait/unbounded_opaque_type.rs +++ /dev/null @@ -1,14 +0,0 @@ -// check-pass - -#![feature(type_alias_impl_trait)] -type Opaque<T> = impl Sized; -fn defining<T>() -> Opaque<T> {} -struct Ss<'a, T>(&'a Opaque<T>); - - -fn test<'a, T>(_: Ss<'a, T>) { - // test that we have an implied bound `Opaque<T>: 'a` from fn signature - None::<&'a Opaque<T>>; -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/underconstrained_generic.rs b/src/test/ui/type-alias-impl-trait/underconstrained_generic.rs deleted file mode 100644 index aa537dfc9..000000000 --- a/src/test/ui/type-alias-impl-trait/underconstrained_generic.rs +++ /dev/null @@ -1,28 +0,0 @@ -#![feature(type_alias_impl_trait)] - -use std::marker::PhantomData; - -trait Trait { - fn foo<T, U>(t: T) -> U; -} - -trait ProofForConversion<X> { - fn convert<T, U>(_: PhantomData<Self>, r: T) -> U; -} - -impl<X: Trait> ProofForConversion<X> for () { - fn convert<T, U>(_: PhantomData<Self>, r: T) -> U { - X::foo(r) - } -} - -type Converter<T> = impl ProofForConversion<T>; - -fn _defining_use<T: Trait>() -> Converter<T> { - () - //~^ ERROR the trait bound `T: Trait` is not satisfied -} - - -fn main() { -} diff --git a/src/test/ui/type-alias-impl-trait/underconstrained_generic.stderr b/src/test/ui/type-alias-impl-trait/underconstrained_generic.stderr deleted file mode 100644 index 95fb6f6a5..000000000 --- a/src/test/ui/type-alias-impl-trait/underconstrained_generic.stderr +++ /dev/null @@ -1,19 +0,0 @@ -error[E0277]: the trait bound `T: Trait` is not satisfied - --> $DIR/underconstrained_generic.rs:22:5 - | -LL | () - | ^^ the trait `Trait` is not implemented for `T` - | -note: required for `()` to implement `ProofForConversion<T>` - --> $DIR/underconstrained_generic.rs:13:16 - | -LL | impl<X: Trait> ProofForConversion<X> for () { - | ^^^^^^^^^^^^^^^^^^^^^ ^^ -help: consider restricting type parameter `T` - | -LL | type Converter<T: Trait> = impl ProofForConversion<T>; - | +++++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/underconstrained_lifetime.rs b/src/test/ui/type-alias-impl-trait/underconstrained_lifetime.rs deleted file mode 100644 index c5b2e8a1c..000000000 --- a/src/test/ui/type-alias-impl-trait/underconstrained_lifetime.rs +++ /dev/null @@ -1,34 +0,0 @@ -#![feature(type_alias_impl_trait)] - -use std::marker::PhantomData; - -trait ProofForConversion<'a, 'b> { - fn convert<T: ?Sized>(_: PhantomData<Self>, r: &'a T) -> &'b T; -} - -impl<'a, 'b> ProofForConversion<'a, 'b> for &'b &'a () { - fn convert<T: ?Sized>(_: PhantomData<Self>, r: &'a T) -> &'b T { - r - } -} - -type Converter<'a, 'b> = impl ProofForConversion<'a, 'b>; -//~^ ERROR reference has a longer lifetime than the data it references - -// Even _defining_use with an explicit `'a: 'b` compiles fine, too. -fn _defining_use<'a, 'b>(x: &'b &'a ()) -> Converter<'a, 'b> { - x -} - -fn extend_lifetime<'a, 'b, T: ?Sized>(x: &'a T) -> &'b T { - Converter::<'a, 'b>::convert(PhantomData, x) -} - -fn main() { - let d; - { - let x = "Hello World".to_string(); - d = extend_lifetime(&x); - } - println!("{}", d); -} diff --git a/src/test/ui/type-alias-impl-trait/underconstrained_lifetime.stderr b/src/test/ui/type-alias-impl-trait/underconstrained_lifetime.stderr deleted file mode 100644 index 12d85a49d..000000000 --- a/src/test/ui/type-alias-impl-trait/underconstrained_lifetime.stderr +++ /dev/null @@ -1,20 +0,0 @@ -error[E0491]: in type `&'b &'a ()`, reference has a longer lifetime than the data it references - --> $DIR/underconstrained_lifetime.rs:15:26 - | -LL | type Converter<'a, 'b> = impl ProofForConversion<'a, 'b>; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | -note: the pointer is valid for the lifetime `'b` as defined here - --> $DIR/underconstrained_lifetime.rs:15:20 - | -LL | type Converter<'a, 'b> = impl ProofForConversion<'a, 'b>; - | ^^ -note: but the referenced data is only valid for the lifetime `'a` as defined here - --> $DIR/underconstrained_lifetime.rs:15:16 - | -LL | type Converter<'a, 'b> = impl ProofForConversion<'a, 'b>; - | ^^ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0491`. diff --git a/src/test/ui/type-alias-impl-trait/unused_generic_param.rs b/src/test/ui/type-alias-impl-trait/unused_generic_param.rs deleted file mode 100644 index ad5e4918c..000000000 --- a/src/test/ui/type-alias-impl-trait/unused_generic_param.rs +++ /dev/null @@ -1,22 +0,0 @@ -// check-pass - -#![feature(type_alias_impl_trait)] -#![allow(dead_code)] - -fn main() {} - -type PartiallyDefined<T> = impl Sized; - -fn partially_defined<T: std::fmt::Debug>(_: T) -> PartiallyDefined<T> { - 4u32 -} - -type PartiallyDefined2<T> = impl Sized; - -fn partially_defined2<T: std::fmt::Debug>(_: T) -> PartiallyDefined2<T> { - 4u32 -} - -fn partially_defined22<T>(_: T) -> PartiallyDefined2<T> { - 4u32 -} diff --git a/src/test/ui/type-alias-impl-trait/weird-return-types.rs b/src/test/ui/type-alias-impl-trait/weird-return-types.rs deleted file mode 100644 index faad5ee95..000000000 --- a/src/test/ui/type-alias-impl-trait/weird-return-types.rs +++ /dev/null @@ -1,16 +0,0 @@ -// edition:2018 -// check-pass - -#![feature(type_alias_impl_trait)] -#![allow(dead_code)] - -use std::future::Future; -use std::fmt::Debug; - -type Foo = impl Debug; - -fn f() -> impl Future<Output = Foo> { - async move { 22_u32 } -} - -fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/wf-check-fn-def.rs b/src/test/ui/type-alias-impl-trait/wf-check-fn-def.rs deleted file mode 100644 index 449e9fbd0..000000000 --- a/src/test/ui/type-alias-impl-trait/wf-check-fn-def.rs +++ /dev/null @@ -1,18 +0,0 @@ -#![feature(type_alias_impl_trait)] - -trait Bar { - fn bar(&self); -} - -type FooFn<B> = impl FnOnce(B); - -fn foo<B: Bar>() -> FooFn<B> { - fn mop<B: Bar>(bar: B) { bar.bar() } - mop // NOTE: no function pointer, but function zst item - //~^ ERROR the trait bound `B: Bar` is not satisfied -} - -fn main() { - let boom: FooFn<u32> = unsafe { core::mem::zeroed() }; - boom(42); -} diff --git a/src/test/ui/type-alias-impl-trait/wf-check-fn-def.stderr b/src/test/ui/type-alias-impl-trait/wf-check-fn-def.stderr deleted file mode 100644 index e0005489d..000000000 --- a/src/test/ui/type-alias-impl-trait/wf-check-fn-def.stderr +++ /dev/null @@ -1,19 +0,0 @@ -error[E0277]: the trait bound `B: Bar` is not satisfied - --> $DIR/wf-check-fn-def.rs:11:5 - | -LL | mop // NOTE: no function pointer, but function zst item - | ^^^ the trait `Bar` is not implemented for `B` - | -note: required by a bound in `mop` - --> $DIR/wf-check-fn-def.rs:10:15 - | -LL | fn mop<B: Bar>(bar: B) { bar.bar() } - | ^^^ required by this bound in `mop` -help: consider restricting type parameter `B` - | -LL | type FooFn<B: Bar> = impl FnOnce(B); - | +++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/wf-check-fn-ptrs.rs b/src/test/ui/type-alias-impl-trait/wf-check-fn-ptrs.rs deleted file mode 100644 index 3b8470e4a..000000000 --- a/src/test/ui/type-alias-impl-trait/wf-check-fn-ptrs.rs +++ /dev/null @@ -1,23 +0,0 @@ -#![feature(type_alias_impl_trait)] - -// build-pass - -trait Bar { - fn bar(&self); -} - -type FooFn<B> = impl FnOnce(B); - -fn foo<B: Bar>() -> FooFn<B> { - fn mop<B: Bar>(bar: B) { bar.bar() } - mop as fn(B) - // function pointers don't have any obligations on them, - // thus the above compiles. It's obviously unsound to just - // procure a `FooFn` from the ether without making sure that - // the pointer is actually legal for all `B` -} - -fn main() { - let boom: FooFn<u32> = unsafe { core::mem::zeroed() }; - boom(42); -} diff --git a/src/test/ui/type-alias-impl-trait/wf_check_closures.rs b/src/test/ui/type-alias-impl-trait/wf_check_closures.rs deleted file mode 100644 index 2c70696ff..000000000 --- a/src/test/ui/type-alias-impl-trait/wf_check_closures.rs +++ /dev/null @@ -1,17 +0,0 @@ -#![feature(type_alias_impl_trait)] - -trait Bar { - fn bar(&self); -} - -type FooFn<B> = impl FnOnce(); - -fn foo<B: Bar>(bar: B) -> FooFn<B> { - move || { bar.bar() } - //~^ ERROR the trait bound `B: Bar` is not satisfied -} - -fn main() { - let boom: FooFn<u32> = unsafe { core::mem::zeroed() }; - boom(); -} diff --git a/src/test/ui/type-alias-impl-trait/wf_check_closures.stderr b/src/test/ui/type-alias-impl-trait/wf_check_closures.stderr deleted file mode 100644 index 58ae8617b..000000000 --- a/src/test/ui/type-alias-impl-trait/wf_check_closures.stderr +++ /dev/null @@ -1,19 +0,0 @@ -error[E0277]: the trait bound `B: Bar` is not satisfied - --> $DIR/wf_check_closures.rs:10:5 - | -LL | move || { bar.bar() } - | ^^^^^^^^^^^^^^^^^^^^^ the trait `Bar` is not implemented for `B` - | -note: required by a bound in `foo` - --> $DIR/wf_check_closures.rs:9:11 - | -LL | fn foo<B: Bar>(bar: B) -> FooFn<B> { - | ^^^ required by this bound in `foo` -help: consider restricting type parameter `B` - | -LL | type FooFn<B: Bar> = impl FnOnce(); - | +++++ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0277`. |