| c++ Programming Glossary: pkeynameCan we increase the re-usability of this key-oriented access-protection pattern? http://stackoverflow.com/questions/3324898/can-we-increase-the-re-usability-of-this-key-oriented-access-protection-pattern  passkey groups #define EXPAND pX pX #define PASSKEY_1 pKeyname pFriend1   class EXPAND pKeyname        private     friend EXPAND.. pX pX #define PASSKEY_1 pKeyname pFriend1   class EXPAND pKeyname        private     friend EXPAND pFriend1   EXPAND pKeyname..        private     friend EXPAND pFriend1   EXPAND pKeyname        EXPAND pKeyname const EXPAND pKeyname  EXPAND pKeyname.. 
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