C# 2.0 Yield Return Iterator

public static IEnumerable<int> GetInt()
{
   for (int i = 0; i < 5; i++)
       yield return i;
}

class Program
{
        static void Main(string[] args)
        {
            foreach (int i in GetInt())
                Console.WriteLine("Got " + i.ToString());
        }

        public static IEnumerable<int> GetInt()
        {
            for (int i = 0; i < 5; i++)
                yield return i;
        }
}

class TestClass: IEnumerable<int>
{
        #region IEnumerable<int> Members

        public IEnumerator<int> GetEnumerator()
        {
            for (int i = 0; i < 5; i++)
                yield return i;
        }

        #endregion

        #region IEnumerable Members

        IEnumerator IEnumerable.GetEnumerator()
        {
            return GetEnumerator();
        }

        #endregion

}