#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