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Category: Programming
Level: Beginner to seasoned
900 pages
ISBN-10 097661322-0
ISBN-13 978-097661322-0
$59.99 USA
$79.99 CANADA


Listing 13-12 extracted from chapter Generics


Listing 13-11<     > Listing 13-13


This listing can be compiled with the command line:
csc.exe /target:exe Example_13_12.cs
Errors: 0 Warnings: 0


Example_13_12.cs
interface ICounter{ 
   void Increment();
   int Val{get;}
}
struct Counter : ICounter {
   private int i;
   public void Increment() { i++; }
   public int Val { get return i; } }
}
class C<T> where T : ICounternew() {
   public void Fct(){
      T t = new T();
      System.Console.WriteLine( t.Val.ToString() );
      t.Increment();   // Modify the state of 't'.
      System.Console.WriteLine( t.Val.ToString() );

      // Modify the state of a boxed copy of 't'.
      (t as ICounter).Increment(); 
      System.Console.WriteLine( t.Val.ToString() );
   }
}
class Program {
   static void Main() {
      C<Counter> c = new C<Counter>();
      c.Fct();
   }
}	
Copyright Patrick Smacchia 2006 2007