using System;

using System.Collections;

public class Program

{

    public static void Main()

    {

        var enumerator = new ExampleEnumerator(10);

        while (enumerator.MoveNext() == true)

        {

            Console.WriteLine(enumerator.Current);

        }

    }

    public struct ExampleEnumerator : IEnumerator

    {

        private int _index;

        private int _max;

        public object Current => $"Current Enumeration: {_index}";

        public ExampleEnumerator(int max)

        {

            _index = -1;

            _max = max;

        }

        public bool MoveNext()

        {

            _index++;

            return _index <= _max;

        }

        void IEnumerator.Reset()

        {

            _index = -1;

        }

    }

}