diff options
Diffstat (limited to 'src/test/ui/rfc-2632-const-trait-impl')
10 files changed, 72 insertions, 33 deletions
diff --git a/src/test/ui/rfc-2632-const-trait-impl/const-default-method-bodies.stderr b/src/test/ui/rfc-2632-const-trait-impl/const-default-method-bodies.stderr index ec724cc96..fddc8d37f 100644 --- a/src/test/ui/rfc-2632-const-trait-impl/const-default-method-bodies.stderr +++ b/src/test/ui/rfc-2632-const-trait-impl/const-default-method-bodies.stderr @@ -1,14 +1,16 @@ error[E0277]: the trait bound `NonConstImpl: ~const ConstDefaultFn` is not satisfied - --> $DIR/const-default-method-bodies.rs:24:18 + --> $DIR/const-default-method-bodies.rs:24:5 | LL | NonConstImpl.a(); - | ^ the trait `~const ConstDefaultFn` is not implemented for `NonConstImpl` + | ^^^^^^^^^^^^ - required by a bound introduced by this call + | | + | the trait `~const ConstDefaultFn` is not implemented for `NonConstImpl` | note: the trait `ConstDefaultFn` is implemented for `NonConstImpl`, but that implementation is not `const` - --> $DIR/const-default-method-bodies.rs:24:18 + --> $DIR/const-default-method-bodies.rs:24:5 | LL | NonConstImpl.a(); - | ^ + | ^^^^^^^^^^^^ help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement | LL | const fn test() where NonConstImpl: ~const ConstDefaultFn { diff --git a/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.precise.stderr b/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.precise.stderr index 9dbaffd4c..2295a822f 100644 --- a/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.precise.stderr +++ b/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.precise.stderr @@ -5,7 +5,7 @@ LL | const _: () = check($exp); | ----- required by a bound introduced by this call ... LL | NonTrivialDrop, - | ^^^^^^^^^^^^^^ expected an implementor of trait `~const Destruct` + | ^^^^^^^^^^^^^^ the trait `~const Destruct` is not implemented for `NonTrivialDrop` | = note: the trait bound `NonTrivialDrop: ~const Destruct` is not satisfied note: required by a bound in `check` @@ -52,15 +52,15 @@ LL | const _: () = check($exp); | ----- required by a bound introduced by this call ... LL | ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData), - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected an implementor of trait `~const Destruct` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `~const Destruct` is not implemented for `ConstDropImplWithBounds<NonTrivialDrop>` | -note: required because of the requirements on the impl of `~const Destruct` for `ConstDropImplWithBounds<NonTrivialDrop>` +note: required for `ConstDropImplWithBounds<NonTrivialDrop>` to implement `~const Destruct` --> $DIR/const-drop-fail.rs:28:25 | LL | impl<T: ~const A> const Drop for ConstDropImplWithBounds<T> { | ^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: 1 redundant requirement hidden - = note: required because of the requirements on the impl of `~const Destruct` for `ConstDropImplWithBounds<NonTrivialDrop>` + = note: required for `ConstDropImplWithBounds<NonTrivialDrop>` to implement `~const Destruct` note: required by a bound in `check` --> $DIR/const-drop-fail.rs:34:19 | diff --git a/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.stock.stderr b/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.stock.stderr index 9dbaffd4c..2295a822f 100644 --- a/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.stock.stderr +++ b/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.stock.stderr @@ -5,7 +5,7 @@ LL | const _: () = check($exp); | ----- required by a bound introduced by this call ... LL | NonTrivialDrop, - | ^^^^^^^^^^^^^^ expected an implementor of trait `~const Destruct` + | ^^^^^^^^^^^^^^ the trait `~const Destruct` is not implemented for `NonTrivialDrop` | = note: the trait bound `NonTrivialDrop: ~const Destruct` is not satisfied note: required by a bound in `check` @@ -52,15 +52,15 @@ LL | const _: () = check($exp); | ----- required by a bound introduced by this call ... LL | ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData), - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected an implementor of trait `~const Destruct` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `~const Destruct` is not implemented for `ConstDropImplWithBounds<NonTrivialDrop>` | -note: required because of the requirements on the impl of `~const Destruct` for `ConstDropImplWithBounds<NonTrivialDrop>` +note: required for `ConstDropImplWithBounds<NonTrivialDrop>` to implement `~const Destruct` --> $DIR/const-drop-fail.rs:28:25 | LL | impl<T: ~const A> const Drop for ConstDropImplWithBounds<T> { | ^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: 1 redundant requirement hidden - = note: required because of the requirements on the impl of `~const Destruct` for `ConstDropImplWithBounds<NonTrivialDrop>` + = note: required for `ConstDropImplWithBounds<NonTrivialDrop>` to implement `~const Destruct` note: required by a bound in `check` --> $DIR/const-drop-fail.rs:34:19 | diff --git a/src/test/ui/rfc-2632-const-trait-impl/cross-crate.gatednc.stderr b/src/test/ui/rfc-2632-const-trait-impl/cross-crate.gatednc.stderr index 174c62912..d4fa44b4b 100644 --- a/src/test/ui/rfc-2632-const-trait-impl/cross-crate.gatednc.stderr +++ b/src/test/ui/rfc-2632-const-trait-impl/cross-crate.gatednc.stderr @@ -1,14 +1,16 @@ error[E0277]: the trait bound `cross_crate::NonConst: ~const cross_crate::MyTrait` is not satisfied - --> $DIR/cross-crate.rs:17:14 + --> $DIR/cross-crate.rs:17:5 | LL | NonConst.func(); - | ^^^^ the trait `~const cross_crate::MyTrait` is not implemented for `cross_crate::NonConst` + | ^^^^^^^^ ---- required by a bound introduced by this call + | | + | the trait `~const cross_crate::MyTrait` is not implemented for `cross_crate::NonConst` | note: the trait `cross_crate::MyTrait` is implemented for `cross_crate::NonConst`, but that implementation is not `const` - --> $DIR/cross-crate.rs:17:14 + --> $DIR/cross-crate.rs:17:5 | LL | NonConst.func(); - | ^^^^ + | ^^^^^^^^ help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement | LL | const fn const_context() where cross_crate::NonConst: ~const cross_crate::MyTrait { diff --git a/src/test/ui/rfc-2632-const-trait-impl/cross-crate.stocknc.stderr b/src/test/ui/rfc-2632-const-trait-impl/cross-crate.stocknc.stderr index 4619dd113..71ecd9b06 100644 --- a/src/test/ui/rfc-2632-const-trait-impl/cross-crate.stocknc.stderr +++ b/src/test/ui/rfc-2632-const-trait-impl/cross-crate.stocknc.stderr @@ -1,14 +1,16 @@ error[E0277]: the trait bound `cross_crate::NonConst: cross_crate::MyTrait` is not satisfied - --> $DIR/cross-crate.rs:17:14 + --> $DIR/cross-crate.rs:17:5 | LL | NonConst.func(); - | ^^^^ the trait `~const cross_crate::MyTrait` is not implemented for `cross_crate::NonConst` + | ^^^^^^^^ ---- required by a bound introduced by this call + | | + | the trait `~const cross_crate::MyTrait` is not implemented for `cross_crate::NonConst` | note: the trait `cross_crate::MyTrait` is implemented for `cross_crate::NonConst`, but that implementation is not `const` - --> $DIR/cross-crate.rs:17:14 + --> $DIR/cross-crate.rs:17:5 | LL | NonConst.func(); - | ^^^^ + | ^^^^^^^^ help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement | LL | const fn const_context() where cross_crate::NonConst: ~const cross_crate::MyTrait { diff --git a/src/test/ui/rfc-2632-const-trait-impl/default-method-body-is-const-same-trait-ck.stderr b/src/test/ui/rfc-2632-const-trait-impl/default-method-body-is-const-same-trait-ck.stderr index b229053eb..85285ba84 100644 --- a/src/test/ui/rfc-2632-const-trait-impl/default-method-body-is-const-same-trait-ck.stderr +++ b/src/test/ui/rfc-2632-const-trait-impl/default-method-body-is-const-same-trait-ck.stderr @@ -1,14 +1,16 @@ error[E0277]: the trait bound `(): ~const Tr` is not satisfied - --> $DIR/default-method-body-is-const-same-trait-ck.rs:8:12 + --> $DIR/default-method-body-is-const-same-trait-ck.rs:8:9 | LL | ().a() - | ^ the trait `~const Tr` is not implemented for `()` + | ^^ - required by a bound introduced by this call + | | + | the trait `~const Tr` is not implemented for `()` | note: the trait `Tr` is implemented for `()`, but that implementation is not `const` - --> $DIR/default-method-body-is-const-same-trait-ck.rs:8:12 + --> $DIR/default-method-body-is-const-same-trait-ck.rs:8:9 | LL | ().a() - | ^ + | ^^ help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement | LL | pub trait Tr where (): ~const Tr { diff --git a/src/test/ui/rfc-2632-const-trait-impl/issue-100222.rs b/src/test/ui/rfc-2632-const-trait-impl/issue-100222.rs new file mode 100644 index 000000000..1004bb28c --- /dev/null +++ b/src/test/ui/rfc-2632-const-trait-impl/issue-100222.rs @@ -0,0 +1,29 @@ +// revisions: nn ny yn yy +// check-pass +#![feature(const_trait_impl, associated_type_defaults, const_mut_refs)] + +#[cfg_attr(any(yn, yy), const_trait)] +pub trait Index { + type Output; +} + +#[cfg_attr(any(ny, yy), const_trait)] +pub trait IndexMut where Self: Index { + const C: <Self as Index>::Output; + type Assoc = <Self as Index>::Output; + fn foo(&mut self, x: <Self as Index>::Output) -> <Self as Index>::Output; +} + +impl Index for () { type Output = (); } + +impl const IndexMut for <() as Index>::Output { + const C: <Self as Index>::Output = (); + type Assoc = <Self as Index>::Output; + fn foo(&mut self, x: <Self as Index>::Output) -> <Self as Index>::Output + where <Self as Index>::Output:, + {} +} + +const C: <() as Index>::Output = (); + +fn main() {} diff --git a/src/test/ui/rfc-2632-const-trait-impl/trait-where-clause.stderr b/src/test/ui/rfc-2632-const-trait-impl/trait-where-clause.stderr index d5b2d2697..fd5fe25dd 100644 --- a/src/test/ui/rfc-2632-const-trait-impl/trait-where-clause.stderr +++ b/src/test/ui/rfc-2632-const-trait-impl/trait-where-clause.stderr @@ -20,16 +20,16 @@ LL | const fn test1<T: ~const Foo + Bar + ~const Bar>() { | ++++++++++++ error[E0277]: the trait bound `T: ~const Bar` is not satisfied - --> $DIR/trait-where-clause.rs:15:5 + --> $DIR/trait-where-clause.rs:15:12 | LL | T::c::<T>(); - | ^^^^^^^^^ the trait `~const Bar` is not implemented for `T` + | ^ the trait `~const Bar` is not implemented for `T` | note: the trait `Bar` is implemented for `T`, but that implementation is not `const` - --> $DIR/trait-where-clause.rs:15:5 + --> $DIR/trait-where-clause.rs:15:12 | LL | T::c::<T>(); - | ^^^^^^^^^ + | ^ note: required by a bound in `Foo::c` --> $DIR/trait-where-clause.rs:8:13 | @@ -57,10 +57,10 @@ LL | fn test3<T: Foo + Bar>() { | +++++ error[E0277]: the trait bound `T: Bar` is not satisfied - --> $DIR/trait-where-clause.rs:29:5 + --> $DIR/trait-where-clause.rs:29:12 | LL | T::c::<T>(); - | ^^^^^^^^^ the trait `Bar` is not implemented for `T` + | ^ the trait `Bar` is not implemented for `T` | note: required by a bound in `Foo::c` --> $DIR/trait-where-clause.rs:8:13 diff --git a/src/test/ui/rfc-2632-const-trait-impl/without-tilde.rs b/src/test/ui/rfc-2632-const-trait-impl/without-tilde.rs index e8b261545..d63381b5f 100644 --- a/src/test/ui/rfc-2632-const-trait-impl/without-tilde.rs +++ b/src/test/ui/rfc-2632-const-trait-impl/without-tilde.rs @@ -3,4 +3,4 @@ #![feature(const_trait_impl)] struct S<T: const Tr>; -//~^ ERROR expected one of `!`, `(`, `,`, `=`, `>`, `?`, `for`, `~`, lifetime, or path +//~^ ERROR const bounds must start with `~` diff --git a/src/test/ui/rfc-2632-const-trait-impl/without-tilde.stderr b/src/test/ui/rfc-2632-const-trait-impl/without-tilde.stderr index b6b77ac4a..31300354a 100644 --- a/src/test/ui/rfc-2632-const-trait-impl/without-tilde.stderr +++ b/src/test/ui/rfc-2632-const-trait-impl/without-tilde.stderr @@ -1,8 +1,10 @@ -error: expected one of `!`, `(`, `,`, `=`, `>`, `?`, `for`, `~`, lifetime, or path, found keyword `const` +error: const bounds must start with `~` --> $DIR/without-tilde.rs:5:13 | LL | struct S<T: const Tr>; - | ^^^^^ expected one of 10 possible tokens + | -^^^^ + | | + | help: add `~`: `~` error: aborting due to previous error |