| error[E0271]: expected `{async [email protected]:8:14}` to be a closure that returns `()`, but it returns `{async closure body@$DIR/is-not-fn.rs:8:23: 8:25}` |
| --> $DIR/is-not-fn.rs:8:14 |
| | |
| LL | needs_fn(async || {}); |
| | -------- ^^^^^^^^^^^ expected `()`, found `async` closure body |
| | | |
| | required by a bound introduced by this call |
| | |
| = note: expected unit type `()` |
| found `async` closure body `{async closure body@$DIR/is-not-fn.rs:8:23: 8:25}` |
| note: required by a bound in `needs_fn` |
| --> $DIR/is-not-fn.rs:7:25 |
| | |
| 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 E0271`. |
