mirror of https://github.com/rust-lang/rust
25 lines
1.1 KiB
Plaintext
25 lines
1.1 KiB
Plaintext
warning: impl trait in impl method signature does not match trait method signature
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--> $DIR/async-example-desugared-boxed.rs:14:22
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LL | async fn foo(&self) -> i32;
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| --------------------------- return type from trait method defined here
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...
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LL | fn foo(&self) -> Pin<Box<dyn Future<Output = i32> + '_>> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: add `#[allow(refining_impl_trait)]` if it is intended for this to be part of the public API of this crate
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= note: we are soliciting feedback, see issue #121718 <https://github.com/rust-lang/rust/issues/121718> for more information
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note: the lint level is defined here
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--> $DIR/async-example-desugared-boxed.rs:13:12
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LL | #[warn(refining_impl_trait)]
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| ^^^^^^^^^^^^^^^^^^^
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= note: `#[warn(refining_impl_trait_reachable)]` implied by `#[warn(refining_impl_trait)]`
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help: replace the return type so that it matches the trait
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LL | fn foo(&self) -> impl Future<Output = i32> {
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| ~~~~~~~~~~~~~~~~~~~~~~~~~
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warning: 1 warning emitted
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