use std::sync::atomic::Ordering;
use stoplight;

fn main() {
    // spawn our task, this creates a new OS thread.
    let th = stoplight::spawn(|stop| {
        while !stop.load(Ordering::Relaxed) {}
        42
    });

    // stop() signals the thread to stop, and then join returns its return value.
    th.stop();
    assert_eq!(th.join().unwrap(), 42);
}