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