using System; using System.Linq; using System.Collections; using System.Collections.Generic; public class MainClass { public static void Main() { int[] intArray = new int[] { 1, 2, 3 }; IEnumerable<int> ints = intArray.Select(i => i); foreach (int i in ints) Console.WriteLine(i); intArray[0] = 5; foreach (int i in ints) Console.WriteLine(i); } }