gistfile1.txt

using System;
using System.Threading.Tasks;

class Test
{
    static void Main()
    {
        Foo().GetAwaiter().GetResult();
    }
    
    static async Task Foo()   
    {
        var task = Task.FromResult((x: 10, y: 20));
        var tuple = await task;
        Console.WriteLine(tuple.x);
        Console.WriteLine(tuple.y);
    }
}