Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

boost/python/self.hpp

// Copyright David Abrahams 2002.
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#ifndef SELF_DWA2002531_HPP
# define SELF_DWA2002531_HPP

# include <boost/python/detail/prefix.hpp>

namespace boost { namespace python {

#define BOOST_PYTHON_SELF_IS_CLASS

// Sink self_t into its own namespace so that we have a safe place to
// put the completely general operator templates which operate on
// it. It is possible to avoid this, but it turns out to be much more
// complicated and finally GCC 2.95.2 chokes on it.
namespace self_ns
{
# ifndef BOOST_PYTHON_SELF_IS_CLASS
  enum self_t { self };
# else 
  struct self_t {};
  extern BOOST_PYTHON_DECL self_t self;
# endif
}

using self_ns::self_t;
using self_ns::self;

}} // namespace boost::python

#endif // SELF_DWA2002531_HPP