201608_13.rs

fn super_dumb_thread2() -> Vec<u64> {
    let (sx, rx) = channel();

    // here the thread steals the ownership
    // of the send channel. That means it will
    // drop the channel as soon as it finishes,
    // signaling that no more data will be sent.
    thread::spawn(move || {
        for i in 0..100000000 {
            if i % 10000 == 0 {
                sx.send(i).unwrap();
            }
        }

        // here sx will be dropped
    });

    let mut v = Vec::new();
    while let Ok(i) = rx.recv() {
        v.push(i);
    }

    v
}