rust/src/test/ui/issues/issue-9396.rs
2020-06-12 13:41:46 -07:00

24 lines
521 B
Rust

// run-pass
#![allow(unused_must_use)]
#![allow(deprecated)]
// ignore-emscripten no threads support
use std::sync::mpsc::{TryRecvError, channel};
use std::thread;
pub fn main() {
let (tx, rx) = channel();
let t = thread::spawn(move||{
thread::sleep_ms(10);
tx.send(()).unwrap();
});
loop {
match rx.try_recv() {
Ok(()) => break,
Err(TryRecvError::Empty) => {}
Err(TryRecvError::Disconnected) => unreachable!()
}
}
t.join();
}