CRTP.hpp

Go to the documentation of this file.

#ifndef _CRTP_HPP
#define _CRTP_HPP

/// \file CRTP.hpp
///
/// \brief Support for Curiously Recurring Template Pattern

#include <metaprogramming/SwallowSemicolon.hpp>

namespace SUNphi
{
  /// Perform the cast to base class needed for CRTP
  ///
  /// Overload the ~ operator to implement cast to the basic class of a
  /// CRTP class
#define PROVIDE_CRTP_CAST_OPERATOR(CLASS)
  /*! Cast operator to class \c CLASS*/
  CLASS& operator~()
  {
    return
      *static_cast<CLASS*>(this);
  }

  /*! Constant cast operator to class \c CLASS */
  const CLASS& operator~() const
  {
    return
      *static_cast<const CLASS*>(this);
  }

  /// Access to the inheriting class
#define CRTP_THIS
  (~*this)
}

#endif