source: NonGTP/Boost/boost/python/detail/value_arg.hpp @ 857

Revision 857, 787 bytes checked in by igarcia, 19 years ago (diff)
RevLine 
[857]1// Copyright David Abrahams 2004. Distributed under the Boost
2// Software License, Version 1.0. (See accompanying
3// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
4#ifndef VALUE_ARG_DWA2004312_HPP
5# define VALUE_ARG_DWA2004312_HPP
6
7# include <boost/python/detail/copy_ctor_mutates_rhs.hpp>
8# include <boost/mpl/if.hpp>
9# include <boost/type_traits/add_reference.hpp>
10# include <boost/type_traits/add_const.hpp>
11
12namespace boost { namespace python { namespace detail {
13
14template <class T>
15struct value_arg
16  : mpl::if_<
17        copy_ctor_mutates_rhs<T>
18      , T
19      , typename add_reference<
20            typename add_const<T>::type
21        >::type
22  >
23{};
24 
25}}} // namespace boost::python::detail
26
27#endif // VALUE_ARG_DWA2004312_HPP
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