gcc.h

Go to the documentation of this file.

// =============================================================================
// =============================================================================

#ifndef HF_GCC_H
#define HF_GCC_H

#if __cplusplus < 201103
const class nullptr_t
{
   public:

   /* Return 0 for any class pointer */
   template<typename T> operator T *() const
   {
      return 0;
   }

   /* Return 0 for any member pointer */
   template<typename T, typename U>
   operator T U::*() const
   {
      return 0;
   }

   /* Safe boolean conversion */
   operator void *() const
   {
      return 0;
   }

   template<typename T>
   bool operator==(const T &other) const
   {
      return *this == other;
   }

   template<typename T>
   bool operator!=(const T &other) const
   {
      return *this != other;
   }

   private:

   /* Not allowed to get the address */
   void operator&() const;

}
nullptr = {};

   #define __attribute_deprecated__   __attribute__((deprecated))

   #define  __attribute_pure__        __attribute__((pure))

   #define _override

   #define _const

#else

#define _override                     override

#define _const                        const

#endif

#endif /* HF_GCC_H */