35 lines
1.5 KiB
Plaintext
35 lines
1.5 KiB
Plaintext
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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
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--> $DIR/dont-project-to-specializable-projection.rs:6:12
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LL | #![feature(async_fn_in_trait)]
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| ^^^^^^^^^^^^^^^^^
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= note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
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= note: `#[warn(incomplete_features)]` on by default
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error[E0053]: method `foo` has an incompatible type for trait
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--> $DIR/dont-project-to-specializable-projection.rs:16:35
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LL | default async fn foo(_: T) -> &'static str {
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| ^^^^^^^^^^^^ expected associated type, found future
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note: type in trait
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--> $DIR/dont-project-to-specializable-projection.rs:12:27
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LL | async fn foo(_: T) -> &'static str;
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| ^^^^^^^^^^^^
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= note: expected signature `fn(_) -> impl Future<Output = &'static str>`
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found signature `fn(_) -> impl Future<Output = &'static str>`
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error: async associated function in trait cannot be specialized
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--> $DIR/dont-project-to-specializable-projection.rs:16:5
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LL | default async fn foo(_: T) -> &'static str {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: specialization behaves in inconsistent and surprising ways with `#![feature(async_fn_in_trait)]`, and for now is disallowed
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error: aborting due to 2 previous errors; 1 warning emitted
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For more information about this error, try `rustc --explain E0053`.
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