// waiting for threads in rust
// this example makes a single thread, and saves its "handle"
// then waits for handle to end
// so all thread actions are done

use std::time::Duration;
use std::thread;

fn main() {
    // make a single thread
    let handle = thread::spawn(|| {
        for i in 1..10 {
            println!("hi number {} from the spawned thread!", i);
            thread::sleep(Duration::from_millis(1));
        }
    });

    for i in 1..5 {
        println!("hi number {} from the main thread!", i);
        thread::sleep(Duration::from_millis(1));
    }
    
    // this will block until the thread completes
    handle.join().unwrap();
}