| int-sequence/app.cs - A client of IntSequence. | Lecture 4 - slide 16 : 29 Program 3  | 
using System;
class IntSequenceClient{
  public static void Main(){
    IntSequence is1 = new IntSequence(-5, -1, 7, -8, 13),
                is2 = new IntSequence();
    ReportMinMax(is1);
    ReportMinMax(is2);     
  }
  public static void ReportMinMax(IntSequence iseq){
    if (iseq.Min().HasValue && iseq.Max().HasValue)
      Console.WriteLine("Min: {0}. Max: {1}", 
                         iseq.Min(), iseq.Max());
    else
      Console.WriteLine("Int sequence is empty");
  }
}