use std::sync::mpsc;

fn main() {
    let mut handles = vec![];
    let (sender, receiver) = mpsc::channel();
    for i in 0..10 {
        let sender_clone = sender.clone();
        // move block says the thread now owns this cloned sender end of the channel.
        // once the thread scope ends, this sender clone will be dropped
        handles.push(std::thread::spawn(move ||
            sender_clone.send(i)))
    }
    // drop the original sender; that way once all sender threads are dropped
    // the channel will close
    drop(sender);

    // iterate over all entries coming from the channel
    for x in receiver.iter() {
        println!("Got {}", x);
    }

    // join the threads
    for handle in handles {
        let _ = handle.join().unwrap();
    }
}