28 lines
396 B
Rust
28 lines
396 B
Rust
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//@ known-bug: #117808
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//@ edition:2021
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//@ needs-rustc-debug-assertions
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use std::future::Future;
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fn hrc<R, F: for<'a> AsyncClosure<'a, (), R>>(f: F) -> F {
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f
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}
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fn main() {
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hrc(|x| async {});
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}
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trait AsyncClosure<'a, I, R>
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where
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I: 'a,
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{
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}
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impl<'a, I, R, Fut, F> AsyncClosure<'a, I, R> for F
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where
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I: 'a,
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F: Fn(&'a I) -> Fut,
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Fut: Future<Output = R> + Send + 'a,
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{
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}
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