rust/tests/ui/async-await/async-closures/wrong-fn-kind.rs

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2024-01-25 11:43:35 -06:00
// 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;
});
}