| #ifndef BOOST_MPL_ALWAYS_HPP_INCLUDED | |
| #define BOOST_MPL_ALWAYS_HPP_INCLUDED | |
| // Copyright Aleksey Gurtovoy 2001-2004 | |
| // | |
| // 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) | |
| // | |
| // See http://www.boost.org/libs/mpl for documentation. | |
| // $Id: always.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ | |
| // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ | |
| // $Revision: 49267 $ | |
| #include <boost/mpl/aux_/preprocessor/def_params_tail.hpp> | |
| #include <boost/mpl/aux_/na.hpp> | |
| #include <boost/mpl/aux_/arity_spec.hpp> | |
| namespace boost { namespace mpl { | |
| template< typename Value > struct always | |
| { | |
| template< | |
| typename T | |
| BOOST_MPL_PP_NESTED_DEF_PARAMS_TAIL(1, typename T, na) | |
| > | |
| struct apply | |
| { | |
| typedef Value type; | |
| }; | |
| }; | |
| BOOST_MPL_AUX_ARITY_SPEC(1, always) | |
| }} | |
| #endif // BOOST_MPL_ALWAYS_HPP_INCLUDED |