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