using System;

using System.Threading.Tasks;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Attempting RecurseWithYield...");

        RecurseWithYield(50000).Wait();

        Console.WriteLine("Succeeded!");

        Console.WriteLine("Attempting RecurseDirect...");

        RecurseDirect(50000).Wait();

        Console.WriteLine("Succeeded!");

    }

​

    // RecurseWithYield forces use of the heap by explicitly yielding control to the task scheduler...

    public async static Task RecurseWithYield(int n)

    {

        if (n > 0)

        {

            await Task.Yield();

            await RecurseWithYield(n-1);

        }

    }

    // RecurseDirect chains recursive calls on the stack...

    public async static Task RecurseDirect(int n)

    {

        if (n > 0)

        {

            await RecurseDirect(n-1);

        }

    }

}