1  class RefCountedBase {
       2  protected:
       3    bool derefBase()
       4    {
       5      return true;
       6    }
       7  };
       8  
       9  template<typename T> class RefCounted : public RefCountedBase {
      10  public:
      11      void deref()
      12      {
      13          if (derefBase())
      14              delete static_cast<T*>(this);
      15      }
      16  
      17  protected:
      18    //    RefCounted() { }
      19      ~RefCounted()
      20      {
      21      }
      22  };
      23  
      24  
      25  class Event : public RefCounted<Event> {
      26   public:
      27          Event();
      28          virtual ~Event();
      29  };