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Rollup merge of #109238 - spastorino:new-rpitit-12, r=compiler-errors
Fix generics mismatch errors for RPITITs on -Zlower-impl-trait-in-trait-to-assoc-ty This PR stops reporting errors due to different count of generics on the new synthesized associated types for RPITITs. Those were already reported when we compare the function on the triat with the function on the impl. r? `@compiler-errors`
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16 changes: 16 additions & 0 deletions
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tests/ui/async-await/in-trait/generics-mismatch.current.stderr
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error[E0053]: method `foo` has an incompatible generic parameter for trait `Foo` | ||
--> $DIR/generics-mismatch.rs:13:18 | ||
| | ||
LL | trait Foo { | ||
| --- | ||
LL | async fn foo<T>(); | ||
| - expected type parameter | ||
... | ||
LL | impl Foo for () { | ||
| --------------- | ||
LL | async fn foo<const N: usize>() {} | ||
| ^^^^^^^^^^^^^^ found const parameter of type `usize` | ||
|
||
error: aborting due to previous error | ||
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||
For more information about this error, try `rustc --explain E0053`. |
16 changes: 16 additions & 0 deletions
16
tests/ui/async-await/in-trait/generics-mismatch.next.stderr
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,16 @@ | ||
error[E0053]: method `foo` has an incompatible generic parameter for trait `Foo` | ||
--> $DIR/generics-mismatch.rs:13:18 | ||
| | ||
LL | trait Foo { | ||
| --- | ||
LL | async fn foo<T>(); | ||
| - expected type parameter | ||
... | ||
LL | impl Foo for () { | ||
| --------------- | ||
LL | async fn foo<const N: usize>() {} | ||
| ^^^^^^^^^^^^^^ found const parameter of type `usize` | ||
|
||
error: aborting due to previous error | ||
|
||
For more information about this error, try `rustc --explain E0053`. |
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// edition: 2021 | ||
// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty | ||
// revisions: current next | ||
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#![feature(async_fn_in_trait)] | ||
#![allow(incomplete_features)] | ||
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trait Foo { | ||
async fn foo<T>(); | ||
} | ||
|
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impl Foo for () { | ||
async fn foo<const N: usize>() {} | ||
//~^ ERROR: method `foo` has an incompatible generic parameter for trait `Foo` [E0053] | ||
} | ||
|
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fn main() {} |
2 changes: 1 addition & 1 deletion
2
...l-trait/in-trait/generics-mismatch.stderr → ...in-trait/generics-mismatch.current.stderr
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12 changes: 12 additions & 0 deletions
12
tests/ui/impl-trait/in-trait/generics-mismatch.next.stderr
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error[E0049]: method `bar` has 1 type parameter but its trait declaration has 0 type parameters | ||
--> $DIR/generics-mismatch.rs:14:12 | ||
| | ||
LL | fn bar(&self) -> impl Sized; | ||
| - expected 0 type parameters | ||
... | ||
LL | fn bar<T>(&self) {} | ||
| ^ found 1 type parameter | ||
|
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error: aborting due to previous error | ||
|
||
For more information about this error, try `rustc --explain E0049`. |
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