WSJT-X/boost/boost/python/detail/value_arg.hpp
Bill Somerville ecaa982b9f Merged latest version of the boost 1.63.0 vendor drop
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@7593 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-03-02 02:45:29 +00:00

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// Copyright David Abrahams 2004. 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 VALUE_ARG_DWA2004312_HPP
# define VALUE_ARG_DWA2004312_HPP
# include <boost/python/detail/copy_ctor_mutates_rhs.hpp>
# include <boost/mpl/if.hpp>
# include <boost/type_traits/add_reference.hpp>
# include <boost/type_traits/add_const.hpp>
namespace boost { namespace python { namespace detail {
template <class T>
struct value_arg
: mpl::if_<
copy_ctor_mutates_rhs<T>
, T
, typename add_reference<
typename add_const<T>::type
>::type
>
{};
}}} // namespace boost::python::detail
#endif // VALUE_ARG_DWA2004312_HPP