File: 117808.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg3-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, sid, trixie
  • size: 893,396 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,051; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (27 lines) | stat: -rw-r--r-- 396 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
 
//@ known-bug: #117808
//@ edition:2021
//@ needs-rustc-debug-assertions

use std::future::Future;

fn hrc<R, F: for<'a> AsyncClosure<'a, (), R>>(f: F) -> F {
    f
}

fn main() {
    hrc(|x| async {});
}

trait AsyncClosure<'a, I, R>
where
    I: 'a,
{
}

impl<'a, I, R, Fut, F> AsyncClosure<'a, I, R> for F
where
    I: 'a,
    F: Fn(&'a I) -> Fut,
    Fut: Future<Output = R> + Send + 'a,
{
}