Chris@16: // Copyright David Abrahams 2004. Distributed under the Boost
Chris@16: // Software License, Version 1.0. (See accompanying
Chris@16: // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: #ifndef VALUE_ARG_DWA2004312_HPP
Chris@16: # define VALUE_ARG_DWA2004312_HPP
Chris@16: 
Chris@16: # include <boost/python/detail/copy_ctor_mutates_rhs.hpp>
Chris@16: # include <boost/mpl/if.hpp>
Chris@16: # include <boost/type_traits/add_reference.hpp>
Chris@16: # include <boost/type_traits/add_const.hpp>
Chris@16: 
Chris@16: namespace boost { namespace python { namespace detail { 
Chris@16: 
Chris@16: template <class T>
Chris@16: struct value_arg
Chris@16:   : mpl::if_<
Chris@16:         copy_ctor_mutates_rhs<T>
Chris@16:       , T
Chris@16:       , typename add_reference<
Chris@16:             typename add_const<T>::type
Chris@16:         >::type
Chris@16:   >
Chris@16: {};
Chris@16:   
Chris@16: }}} // namespace boost::python::detail
Chris@16: 
Chris@16: #endif // VALUE_ARG_DWA2004312_HPP