rust/tests/ui/coroutine/static-coroutine.rs
2023-10-20 21:14:02 +00:00

21 lines
620 B
Rust

// run-pass
#![feature(coroutines, coroutine_trait)]
use std::pin::Pin;
use std::ops::{Coroutine, CoroutineState};
fn main() {
let mut coroutine = static || {
let a = true;
let b = &a;
yield;
assert_eq!(b as *const _, &a as *const _);
};
// SAFETY: We shadow the original coroutine variable so have no safe API to
// move it after this point.
let mut coroutine = unsafe { Pin::new_unchecked(&mut coroutine) };
assert_eq!(coroutine.as_mut().resume(()), CoroutineState::Yielded(()));
assert_eq!(coroutine.as_mut().resume(()), CoroutineState::Complete(()));
}