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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
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