gistfile1.txt

fn sleep(timeout) {
    return new Promise(fn(resolve) {
        setTimeout(fn() { resolve(); }, timeout);
    });
}

async fn greetAfter(name, timeout) {
    await sleep(timeout); // suspends until promise returned by sleep is resolved
    return greet(name);
}

async fn main() {
    val message = await greetAfter('Suzy', 2000); // suspends until promise returned by greetAfter is resolved
    console.log(message);
}

main(); // this returns immediately