using System.Collections;
public static void Main()
Console.Write( "\n" + mass.Current );
Console.Write( "\n" + mass.Current );
public class Mass : IEnumerable, IEnumerator
int[] mass = { 0, 1, 2, 3 };
public IEnumerator GetEnumerator()
return mass.GetEnumerator();
if (index == mass.Length - 1)