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error[E0277]: `fn() -> impl Future<Output = ()> {foo}` is not a future
--> $DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:10:9
|
LL | async fn foo() {}
| --- consider calling this function
...
LL | bar(foo);
| --- ^^^ `fn() -> impl Future<Output = ()> {foo}` is not a future
| |
| required by a bound introduced by this call
|
= help: the trait `Future` is not implemented for fn item `fn() -> impl Future<Output = ()> {foo}`
= note: fn() -> impl Future<Output = ()> {foo} must be a future or must implement `IntoFuture` to be awaited
note: required by a bound in `bar`
--> $DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:7:16
|
LL | fn bar(f: impl Future<Output=()>) {}
| ^^^^^^^^^^^^^^^^^ required by this bound in `bar`
help: use parentheses to call the function
|
LL | bar(foo());
| ++
error[E0277]: `[closure@$DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:11:25: 11:33]` is not a future
--> $DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:12:9
|
LL | let async_closure = async || ();
| -------- consider calling this closure
LL | bar(async_closure);
| --- ^^^^^^^^^^^^^ `[closure@$DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:11:25: 11:33]` is not a future
| |
| required by a bound introduced by this call
|
= help: the trait `Future` is not implemented for closure `[closure@$DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:11:25: 11:33]`
= note: [closure@$DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:11:25: 11:33] must be a future or must implement `IntoFuture` to be awaited
note: required by a bound in `bar`
--> $DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:7:16
|
LL | fn bar(f: impl Future<Output=()>) {}
| ^^^^^^^^^^^^^^^^^ required by this bound in `bar`
help: use parentheses to call the closure
|
LL | bar(async_closure());
| ++
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0277`.
|
