mirror of https://github.com/rust-lang/rust
24 lines
951 B
Plaintext
24 lines
951 B
Plaintext
error[E0277]: `impl Future<Output = ()>` cannot be sent between threads safely
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--> $DIR/send-on-foreign-async-fn-in-trait.rs:9:16
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LL | needs_send(T::test());
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| ---------- ^^^^^^^^^ `impl Future<Output = ()>` cannot be sent between threads safely
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| |
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| required by a bound introduced by this call
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= help: the trait `Send` is not implemented for `impl Future<Output = ()>`
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note: `<T as Foo>::test` is an `async fn` in trait, which does not automatically imply that its future is `Send`
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--> $DIR/auxiliary/foreign-async-fn.rs:4:5
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LL | async fn test();
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| ^^^^^^^^^^^^^^^^
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note: required by a bound in `needs_send`
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--> $DIR/send-on-foreign-async-fn-in-trait.rs:8:27
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LL | fn needs_send(_: impl Send) {}
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| ^^^^ required by this bound in `needs_send`
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error: aborting due to 1 previous error
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For more information about this error, try `rustc --explain E0277`.
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