using System; class Bad { class Range { private int[] rarray = new int[2]; public Range(int min, int max) { if (min <= max) { rarray[0] = min; rarray[1] = max; } } public int[] Get() => rarray; } public static void Main(string[] args) { var r = new Range(1, 10); var r_range = r.Get(); r_range[0] = 500; Console.WriteLine("Min: " + r.Get()[0] + " Max: " + r.Get()[1]); // prints "Min: 500 Max: 10" } }