#![allow(unused)]
fn main() {
use std::sync::{Arc, Mutex, Condvar};
use std::thread;

let pair = Arc::new((Mutex::new(false), Condvar::new()));
let pair2 = pair.clone();

// Inside of our lock, spawn a new thread, and then wait for it to start.
thread::spawn(move|| {
    {
        let &(ref lock, ref cvar) = &*pair2;
        let mut started = lock.lock().unwrap();
        *started = true;
        // We notify the condvar that the value has changed.
        cvar.notify_one();

        println!("Notified");
    }

    thread::sleep_ms(0xffffff);
});

// Wait for the thread to start up.
let &(ref lock, ref cvar) = &*pair;
let mut started = lock.lock().unwrap();
while !*started {
    started = cvar.wait(started).unwrap();
}

println!("Started");
}