Listing 10-39 extracted from chapter The .NET 2 type system from a C#2 point of view

Listing 10-38<     > Listing 10-40

This listing can be compiled with the command line:
csc.exe /target:exe Example_10_39.cs
Errors: 0 Warnings: 0

class Program{
   static void Main(){
      System.Nullable<int> ni1 = 3;
      System.Nullable<int> ni2 = 3;
      bool b = ( ni1 == ni2 );
      System.Diagnostics.Debug.Assert( b );
      System.Nullable<int> ni3 = ni1 + ni2;
      ni1++;
   }
}