rust spawn test

main.rs

extern crate rand;

use std::time::Duration;
use std::thread;
use std::sync::mpsc::channel;
use rand::Rng;

fn main() {

    let (tx,rx) = channel();

    thread::spawn(move||{
        let mut rand = rand::thread_rng();
        for _ in 0..10{
            let num :u64 = rand.gen::<u64>()%1000;
            thread::sleep(Duration::from_millis(num));
            tx.send(num).unwrap();
        }
    });

    for _ in 0..10{
        let meg = rx.recv().unwrap();
        println!("{}",meg);
    }


}