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boost_mpl/include/boost/mpl/always.hpp
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2004-09-02 15:41:37 +00:00

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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.
// $Source$
// $Date$
// $Revision$
#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