python/include/boost/python/copy_non_const_reference.hpp at develop · FadyEssam/python · GitHub

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// 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 COPY_NON_CONST_REFERENCE_DWA2002131_HPP

# define COPY_NON_CONST_REFERENCE_DWA2002131_HPP

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

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

# include <boost/mpl/if.hpp>

# include <boost/python/to_python_value.hpp>

namespace boost { namespace python {

namespace detail

{

template <class R>

struct copy_non_const_reference_expects_a_non_const_reference_return_type

# if defined(__GNUC__) || defined(__EDG__)

{}

# endif

;

}

template <class T> struct to_python_value;

struct copy_non_const_reference

{

template <class T>

struct apply

{

typedef typename mpl::if_c<

indirect_traits::is_reference_to_non_const<T>::value

, to_python_value<T>

, detail::copy_non_const_reference_expects_a_non_const_reference_return_type<T>

>::type type;

};

}} // namespace boost::python

#endif // COPY_NON_CONST_REFERENCE_DWA2002131_HPP

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