2024-02-06 02:22:58 +00:00

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error[E0277]: expected a `FnOnce()` closure, found `{coroutine-closure@$DIR/is-not-fn.rs:7:14: 7:22}`
--> $DIR/is-not-fn.rs:7:14
|
LL | needs_fn(async || {});
| -------- ^^^^^^^^^^^ expected an `FnOnce()` closure, found `{coroutine-closure@$DIR/is-not-fn.rs:7:14: 7:22}`
| |
| required by a bound introduced by this call
|
= help: the trait `FnOnce<()>` is not implemented for `{coroutine-closure@$DIR/is-not-fn.rs:7:14: 7:22}`
= note: wrap the `{coroutine-closure@$DIR/is-not-fn.rs:7:14: 7:22}` in a closure with no arguments: `|| { /* code */ }`
note: required by a bound in `needs_fn`
--> $DIR/is-not-fn.rs:6:25
|
LL | fn needs_fn(x: impl FnOnce()) {}
| ^^^^^^^^ required by this bound in `needs_fn`
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0277`.