24 lines
951 B
Plaintext
24 lines
951 B
Plaintext
|
error[E0277]: `impl Future<Output = ()>` cannot be sent between threads safely
|
||
|
|
--> $DIR/send-on-foreign-async-fn-in-trait.rs:11:16
|
||
|
|
|
|
||
|
|
LL | needs_send(T::test());
|
||
|
|
| ---------- ^^^^^^^^^ `impl Future<Output = ()>` cannot be sent between threads safely
|
||
|
|
| |
|
||
|
|
| required by a bound introduced by this call
|
||
|
|
|
|
||
|
|
= help: the trait `Send` is not implemented for `impl Future<Output = ()>`
|
||
|
|
note: `<T as Foo>::test` is an `async fn` in trait, which does not automatically imply that its future is `Send`
|
||
|
|
--> $DIR/auxiliary/foreign-async-fn.rs:6:5
|
||
|
|
|
|
||
|
|
LL | async fn test();
|
||
|
|
| ^^^^^^^^^^^^^^^^
|
||
|
|
note: required by a bound in `needs_send`
|
||
|
|
--> $DIR/send-on-foreign-async-fn-in-trait.rs:10:27
|
||
|
|
|
|
||
|
|
LL | fn needs_send(_: impl Send) {}
|
||
|
|
| ^^^^ required by this bound in `needs_send`
|
||
|
|
|
||
|
|
error: aborting due to previous error
|
||
|
|
|
||
|
|
For more information about this error, try `rustc --explain E0277`.
|