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Check lifetime param count in collect_trait_impl_trait_tys
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// edition:2021 | ||
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#![feature(async_fn_in_trait)] | ||
//~^ WARN the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes | ||
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trait MyTrait { | ||
async fn foo<'a>(&self); | ||
async fn bar(&self); | ||
} | ||
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impl MyTrait for i32 { | ||
async fn foo(&self) {} | ||
//~^ ERROR lifetime parameters or bounds on method `foo` do not match the trait declaration | ||
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async fn bar(&self) { | ||
self.foo(); | ||
} | ||
} | ||
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fn main() {} |
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warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes | ||
--> $DIR/lifetime-mismatch.rs:3:12 | ||
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LL | #![feature(async_fn_in_trait)] | ||
| ^^^^^^^^^^^^^^^^^ | ||
| | ||
= note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information | ||
= note: `#[warn(incomplete_features)]` on by default | ||
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error[E0195]: lifetime parameters or bounds on method `foo` do not match the trait declaration | ||
--> $DIR/lifetime-mismatch.rs:12:17 | ||
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LL | async fn foo<'a>(&self); | ||
| ---- lifetimes in impl do not match this method in trait | ||
... | ||
LL | async fn foo(&self) {} | ||
| ^ lifetimes do not match method in trait | ||
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error: aborting due to previous error; 1 warning emitted | ||
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For more information about this error, try `rustc --explain E0195`. |