XXDoubleBuffer.h

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#ifndef XXDoubleBufferH
#define XXDoubleBufferH
 
namespace XX
{
 
   template <typename DataType>
   class DoubleBuffer
   {
   public:
      DoubleBuffer(const DataType& init1 = DataType(), const DataType& init2 = DataType());
 
   public:
      void swap();
 
      DataType& current();
      const DataType& current() const;
 
      DataType& previous();
 
   private:
      DataType buffer[2];
      bool firstIsCurrent;
   };
} // namespace XX
 
#ifndef XXDoubleBufferHPP
#include "XXDoubleBuffer.hpp"
#endif // NOT XXDoubleBufferHPP
 
#endif // NOT XXDoubleBufferH