| c++ Programming Glossary: pongmessageDynamically register constructor methods in an AbstractFactory at compile time using C++ templates http://stackoverflow.com/questions/2850213/dynamically-register-constructor-methods-in-an-abstractfactory-at-compile-time-u  PING_MSG return new PingMessage case PONG_MSG return new PongMessage .... This works ok but every time I add a new message I have..  virtual void say printf Ping n                      class PongMessage public MessageTmpl 11 PongMessage                     public..                    class PongMessage public MessageTmpl 11 PongMessage                     public            PongMessage          .. 
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