blob: 40cb7ccfea79ad11612410b1c845569d3823fc18 [file] [log] [blame]
// 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