blob: 000af70c4540e6bdcb429b3c16b11e34029f7ff5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
#![feature(generators, generator_trait)]
use std::ops::{Generator, GeneratorState};
fn foo() -> impl Generator<Yield = (), Return = ()> {
//~^ ERROR cannot resolve opaque type
//~| NOTE recursive opaque type
//~| NOTE in this expansion of desugaring of
|| {
let mut gen = Box::pin(foo());
//~^ NOTE generator captures itself here
let mut r = gen.as_mut().resume(());
while let GeneratorState::Yielded(v) = r {
yield v;
r = gen.as_mut().resume(());
}
}
}
fn main() {
foo();
}
|