mirror of https://github.com/rust-lang/rust.git
41 lines
1.5 KiB
Plaintext
41 lines
1.5 KiB
Plaintext
LL| |#![feature(coroutines, coroutine_trait, stmt_expr_attributes)]
|
|
LL| |#![allow(unused_assignments)]
|
|
LL| |
|
|
LL| |use std::ops::{Coroutine, CoroutineState};
|
|
LL| |use std::pin::Pin;
|
|
LL| |
|
|
LL| 1|fn main() {
|
|
LL| 1| let mut coroutine = #[coroutine]
|
|
LL| 1| || {
|
|
LL| 1| yield 1;
|
|
LL| 1| return "foo";
|
|
LL| 1| };
|
|
LL| |
|
|
LL| 1| match Pin::new(&mut coroutine).resume(()) {
|
|
LL| 1| CoroutineState::Yielded(1) => {}
|
|
LL| 0| _ => panic!("unexpected value from resume"),
|
|
LL| | }
|
|
LL| 1| match Pin::new(&mut coroutine).resume(()) {
|
|
LL| 1| CoroutineState::Complete("foo") => {}
|
|
LL| 0| _ => panic!("unexpected value from resume"),
|
|
LL| | }
|
|
LL| |
|
|
LL| 1| let mut coroutine = #[coroutine]
|
|
LL| 1| || {
|
|
LL| 1| yield 1;
|
|
LL| 1| yield 2;
|
|
LL| 0| yield 3;
|
|
LL| 0| return "foo";
|
|
LL| 0| };
|
|
LL| |
|
|
LL| 1| match Pin::new(&mut coroutine).resume(()) {
|
|
LL| 1| CoroutineState::Yielded(1) => {}
|
|
LL| 0| _ => panic!("unexpected value from resume"),
|
|
LL| | }
|
|
LL| 1| match Pin::new(&mut coroutine).resume(()) {
|
|
LL| 1| CoroutineState::Yielded(2) => {}
|
|
LL| 0| _ => panic!("unexpected value from resume"),
|
|
LL| | }
|
|
LL| 1|}
|
|
|