File: nested_coroutine.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 (23 lines) | stat: -rw-r--r-- 473 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
 
//@ run-pass

#![feature(coroutines, coroutine_trait, stmt_expr_attributes)]

use std::ops::{Coroutine, CoroutineState};
use std::pin::Pin;

fn main() {
    let _coroutine = #[coroutine]
    || {
        let mut sub_coroutine = #[coroutine]
        || {
            yield 2;
        };

        match Pin::new(&mut sub_coroutine).resume(()) {
            CoroutineState::Yielded(x) => {
                yield x;
            }
            _ => panic!(),
        };
    };
}