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#![feature(coroutines, coroutine_trait, stmt_expr_attributes)]
#![allow(unused_assignments)]
use std::ops::{Coroutine, CoroutineState};
use std::pin::Pin;
fn main() {
let mut coroutine = #[coroutine]
|| {
yield 1;
return "foo";
};
match Pin::new(&mut coroutine).resume(()) {
CoroutineState::Yielded(1) => {}
_ => panic!("unexpected value from resume"),
}
match Pin::new(&mut coroutine).resume(()) {
CoroutineState::Complete("foo") => {}
_ => panic!("unexpected value from resume"),
}
let mut coroutine = #[coroutine]
|| {
yield 1;
yield 2;
yield 3;
return "foo";
};
match Pin::new(&mut coroutine).resume(()) {
CoroutineState::Yielded(1) => {}
_ => panic!("unexpected value from resume"),
}
match Pin::new(&mut coroutine).resume(()) {
CoroutineState::Yielded(2) => {}
_ => panic!("unexpected value from resume"),
}
}
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