tests/ui/async-await/for-await-consumes-iter.rs


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

//@ edition: 2021
#![feature(async_iterator, async_iter_from_iter, async_for_loop)]

use std::future::Future;

// a test to make sure `for await` consumes the iterator

async fn real_main() {
    let iter = core::async_iter::from_iter(0..3);
    let mut count = 0;
    for await i in iter {
    }
    // make sure iter has been moved and we can't iterate over it again.
    for await i in iter {
        //~^ ERROR: use of moved value: `iter`
    }
}

fn main() {
}