| |
| #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. |
| |
| // $Id$ |
| // $Date$ |
| // $Revision$ |
| |
| #include <boost/mpl/aux_/preprocessor/default_params.hpp> |
| #include <boost/mpl/aux_/na.hpp> |
| #include <boost/mpl/aux_/arity_spec.hpp> |
| |
| namespace boost { namespace mpl { |
| |
| template< typename Value > struct always |
| { |
| template< |
| BOOST_MPL_PP_DEFAULT_PARAMS(BOOST_MPL_LIMIT_METAFUNCTION_ARITY, typename T, na) |
| > |
| struct apply |
| { |
| typedef Value type; |
| }; |
| }; |
| |
| BOOST_MPL_AUX_ARITY_SPEC(0, always) |
| |
| }} |
| |
| #endif // BOOST_MPL_ALWAYS_HPP_INCLUDED |
