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concurrentqueue/benchmarks/boost/mpl/always.hpp

39 lines
838 B
C++

#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