2 #ifndef BOOST_MPL_ALWAYS_HPP_INCLUDED
3 #define BOOST_MPL_ALWAYS_HPP_INCLUDED
5 // Copyright Aleksey Gurtovoy 2001-2004
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)
11 // See http://www.boost.org/libs/mpl for documentation.
17 #include <boost/mpl/aux_/preprocessor/default_params.hpp>
18 #include <boost/mpl/aux_/na.hpp>
19 #include <boost/mpl/aux_/arity_spec.hpp>
21 namespace boost { namespace mpl {
23 template< typename Value > struct always
26 BOOST_MPL_PP_DEFAULT_PARAMS(BOOST_MPL_LIMIT_METAFUNCTION_ARITY, typename T, na)
34 BOOST_MPL_AUX_ARITY_SPEC(0, always)
38 #endif // BOOST_MPL_ALWAYS_HPP_INCLUDED