19 lines
461 B
Rust
19 lines
461 B
Rust
|
// edition:2021
|
||
|
|
||
|
// FIXME(async_closures): This needs a better error message!
|
||
|
|
||
|
#![feature(async_closure, async_fn_traits)]
|
||
|
|
||
|
use std::ops::AsyncFn;
|
||
|
|
||
|
fn main() {
|
||
|
fn needs_async_fn(_: impl AsyncFn()) {}
|
||
|
|
||
|
let mut x = 1;
|
||
|
needs_async_fn(async || {
|
||
|
//~^ ERROR i16: ops::async_function::internal_implementation_detail::AsyncFnKindHelper<i8>
|
||
|
// FIXME: Should say "closure is AsyncFnMut but it needs AsyncFn" or sth.
|
||
|
x += 1;
|
||
|
});
|
||
|
}
|