Await Test

class Program
{
    static async Task Foo()
    {
        Console.Out.WriteLine("Foo before");
        await Task.Delay(TimeSpan.FromSeconds(20));
        Console.Out.WriteLine("Foo after");
    }

    static async void Bar()
    {
        Console.Out.WriteLine("Bar before");
        await Foo();
        Console.Out.WriteLine("Bar after");
    }

    static void Main(string[] args)
    {
        Bar();
        Console.Out.WriteLine("Main after Bar");
        Thread.Sleep(30 * 1000);
    }
}