EqualityComparer<T> startup

using System;
using System.Collections.Generic;

struct MyG<T,U> : IEquatable<MyG<T,U>>
{
    static bool visited;

    public static void foo(int depth)
    {
        if (visited) return;
        visited = true;

        EqualityComparer<MyG<T,U>>.Default.Equals(default(MyG<T,U>), default(MyG<T,U>));

        if (depth-- == 0) return;

        MyG<U,T>.foo(depth);
        MyG<MyG<T,U>,T>.foo(depth);
        MyG<MyG<T,U>,U>.foo(depth);
        MyG<T,MyG<T,U>>.foo(depth);
        MyG<U,MyG<T,U>>.foo(depth);
    }

    public bool Equals(MyG<T,U> other)
    {
        return true;
    }
}

class My
{
   static void Main()
   {
      int start = Environment.TickCount;
      MyG<string,int>.foo(6);
      int end = Environment.TickCount;
      Console.WriteLine((end-start).ToString());
   }
}