using System;

using System.Collections;

using System.Collections.Generic;

​

​

public class Program

{

    public static void Main()

    {

            var arr = new[] { 0, 1, 2 };

            var list = new List<int> { 0, 1, 2 };

​

            var arrEnumerator = arr.GetEnumerator();

            var listEnumerator = list.GetEnumerator();

​

            MoveNext(arrEnumerator);

            MoveNext(arrEnumerator);

            MoveNext(arrEnumerator);

​

            var arrCurrent = (int)arrEnumerator.Current;

            Console.WriteLine("Array current is {0}", arrCurrent);

​

            MoveNext(listEnumerator);

            MoveNext(listEnumerator);

            MoveNext(listEnumerator);

​

            var listCurrent = listEnumerator.Current;

            Console.WriteLine("List current is {0}", listCurrent);

    }

        private static void MoveNext(IEnumerator enumerator)

        {

            enumerator.MoveNext();

        }

​

​

        private static void MoveNext(IEnumerator<int> enumerator)

        {

            enumerator.MoveNext();

        }

}