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39 lines
838 B
C++
39 lines
838 B
C++
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#ifndef BOOST_MPL_ALWAYS_HPP_INCLUDED
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#define BOOST_MPL_ALWAYS_HPP_INCLUDED
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// Copyright Aleksey Gurtovoy 2001-2004
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/mpl for documentation.
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// $Id$
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// $Date$
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// $Revision$
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#include <boost/mpl/aux_/preprocessor/default_params.hpp>
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#include <boost/mpl/aux_/na.hpp>
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#include <boost/mpl/aux_/arity_spec.hpp>
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namespace boost { namespace mpl {
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template< typename Value > struct always
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{
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template<
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BOOST_MPL_PP_DEFAULT_PARAMS(BOOST_MPL_LIMIT_METAFUNCTION_ARITY, typename T, na)
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>
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struct apply
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{
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typedef Value type;
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};
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};
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BOOST_MPL_AUX_ARITY_SPEC(0, always)
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}}
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#endif // BOOST_MPL_ALWAYS_HPP_INCLUDED
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