| Jeff Thompson | a28eed8 | 2013-08-22 16:21:10 -0700 | [diff] [blame] | 1 | |
| 2 | #ifndef BOOST_MPL_ALWAYS_HPP_INCLUDED |
| 3 | #define BOOST_MPL_ALWAYS_HPP_INCLUDED |
| 4 | |
| 5 | // Copyright Aleksey Gurtovoy 2001-2004 |
| 6 | // |
| 7 | // Distributed under the Boost Software License, Version 1.0. |
| 8 | // (See accompanying file LICENSE_1_0.txt or copy at |
| 9 | // http://www.boost.org/LICENSE_1_0.txt) |
| 10 | // |
| 11 | // See http://www.boost.org/libs/mpl for documentation. |
| 12 | |
| 13 | // $Id: always.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ |
| 14 | // $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $ |
| 15 | // $Revision: 49267 $ |
| 16 | |
| 17 | #include <ndnboost/mpl/aux_/preprocessor/def_params_tail.hpp> |
| 18 | #include <ndnboost/mpl/aux_/na.hpp> |
| 19 | #include <ndnboost/mpl/aux_/arity_spec.hpp> |
| 20 | |
| 21 | namespace ndnboost { namespace mpl { |
| 22 | |
| 23 | template< typename Value > struct always |
| 24 | { |
| 25 | template< |
| 26 | typename T |
| 27 | BOOST_MPL_PP_NESTED_DEF_PARAMS_TAIL(1, typename T, na) |
| 28 | > |
| 29 | struct apply |
| 30 | { |
| 31 | typedef Value type; |
| 32 | }; |
| 33 | }; |
| 34 | |
| 35 | BOOST_MPL_AUX_ARITY_SPEC(1, always) |
| 36 | |
| 37 | }} |
| 38 | |
| 39 | #endif // BOOST_MPL_ALWAYS_HPP_INCLUDED |