CS452 Lab04 - Sample 2 (Rust)

sample2.rs

// extern crate rand;
// use nix::unistd::sleep;
// use std::process;
use rand::Rng;
use std::thread;

fn main() {
  // Use lambda when the thread function takes arguments
  let thr1 = thread::spawn(|| do_greeting2(30));
  let thr2 = thread::spawn(|| do_greeting2(50));

  thr1.join().expect("Can't join");
  thr2.join().expect("Can't join");
}

fn do_greeting2(limit: u32) {
  let mut rng = rand::thread_rng();
  let val = rng.gen_range(0, 2);
  for k in 0..limit {
    // sleep(1);
    if val == 0 {
      print!("{} Hello ", k);
    } else {
      println!("{} World", k);
    }
  }
}