import Std::Io::{PrintLine, PrintInt};
import Std::Task::TaskHandle;

async func BackgroundWork(id: int) {
    PrintLine("Task started:");
    PrintInt(id);
    PrintLine("");
    Task_Sleep(50);
    PrintLine("Task done:");
    PrintInt(id);
    PrintLine("");
}

func Main() -> int {
    PrintLine("Main: spawning tasks...");
    let h1: *void = spawn BackgroundWork(1);
    let h2: *void = spawn BackgroundWork(2);
    PrintLine("Main: waiting for tasks...");
    h1.await;
    h2.await;
    PrintLine("Main: all tasks completed");
    return 0;
}