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- #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
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