python/include/boost/python/reference_existing_object.hpp at develop · boostorg/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 REFERENCE_EXISTING_OBJECT_DWA200222_HPP

# define REFERENCE_EXISTING_OBJECT_DWA200222_HPP

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

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

# include <boost/mpl/if.hpp>

# include <boost/python/to_python_indirect.hpp>

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

namespace boost { namespace python {

namespace detail

{

template <class R>

struct reference_existing_object_requires_a_pointer_or_reference_return_type

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

{}

# endif

;

}

template <class T> struct to_python_value;

struct reference_existing_object

{

template <class T>

struct apply

{

BOOST_STATIC_CONSTANT(

bool, ok = detail::is_pointer<T>::value || detail::is_reference<T>::value);

typedef typename mpl::if_c<

, to_python_indirect<T, detail::make_reference_holder>

, detail::reference_existing_object_requires_a_pointer_or_reference_return_type<T>

>::type type;

};

}} // namespace boost::python

#endif // REFERENCE_EXISTING_OBJECT_DWA200222_HPP

python/include/boost/python/reference_existing_object.hpp at develop · boostorg/python · GitHub

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