using System;
using System.Collections;

class App{

 public static void Main(){
   Die d1 = new Die(6),  d2 = new Die(10),
       d3 = new Die(16), d4 = new Die(8);
   int sum = 0;
   string netString = "";

   ObjectSet 
     s1 = new ObjectSet(                  // A set of dice
            new Die[]{d1, d2, d3, d4}),
     s2 = new ObjectSet(                  // A set of ints
            new Object[]{1, 2, 3, 4}),
     s3 = new ObjectSet(                  // A set of strings
            new string[]{"a", "b", "c", "d"}),
     s4 = new ObjectSet(                  // A set of mixed things...
            new Object[]{new Die(6), "a", 7});

   foreach(Object o in s1){
      ((Die)o).Toss();
      Console.WriteLine("{0}", (Die)o);
   }

   Console.WriteLine("--------------");

   // Alternative - illustrating built-in cast of foreach
   foreach(Die d in s1){
      d.Toss();
      Console.WriteLine("{0}", d);
   }
   Console.WriteLine("--------------");

   foreach(Object o in s2)
      sum += ((int)o);
   Console.WriteLine(
     "Sum: {0}", sum);
   Console.WriteLine("--------------");

   foreach(Object o in s3)
      netString += ((string)o);
   Console.WriteLine(
     "NetString: {0}", netString);
   Console.WriteLine("--------------");

   foreach(Object o in s4)
      Console.WriteLine("{0}", o);

   Console.WriteLine("--------------");
 }
}