File: coroutine-region-requirements.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 (19 lines) | stat: -rw-r--r-- 480 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
 
#![feature(coroutines, coroutine_trait, stmt_expr_attributes)]
use std::ops::{Coroutine, CoroutineState};
use std::pin::Pin;

fn dangle(x: &mut i32) -> &'static mut i32 {
    let mut g = #[coroutine] || {
        yield;
        x
    };
    loop {
        match Pin::new(&mut g).resume(()) {
            CoroutineState::Complete(c) => return c,
            //~^ ERROR lifetime may not live long enough
            CoroutineState::Yielded(_) => (),
        }
    }
}

fn main() {}