File: async-fn-once-for-async-fn.rs

package info (click to toggle)
rustc 1.87.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 925,564 kB
  • sloc: xml: 158,127; python: 36,039; javascript: 19,761; sh: 19,737; cpp: 18,981; ansic: 13,133; asm: 4,376; makefile: 710; perl: 29; lisp: 28; ruby: 19; sql: 11
file content (20 lines) | stat: -rw-r--r-- 394 bytes parent folder | download | duplicates (15) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
//@ aux-build:block-on.rs
//@ edition:2021
//@ run-pass

extern crate block_on;

fn main() {
    block_on::block_on(async {
        async fn needs_async_fn_once(x: impl AsyncFnOnce()) {
            x().await;
        }

        needs_async_fn_once(async || {}).await;

        needs_async_fn_once(|| async {}).await;

        async fn foo() {}
        needs_async_fn_once(foo).await;
    });
}