// Copyright Daniel Wallin 2006.
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// Copyright Cromwell D. Enage 2017.
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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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#ifndef BOOST_PARAMETER_AUX_PP_IMPL_MATCH_HPP
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#define BOOST_PARAMETER_AUX_PP_IMPL_MATCH_HPP
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#include <boost/parameter/config.hpp>
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#if defined(BOOST_PARAMETER_HAS_PERFECT_FORWARDING)
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namespace boost { namespace parameter { namespace aux {
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// Recast the ParameterSpec's nested match metafunction
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// as a free metafunction.
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//
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// No more limits set by BOOST_PARAMETER_MAX_ARITY. -- Cromwell D. Enage
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template <typename Parameters, typename ...Args>
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struct match : Parameters::BOOST_NESTED_TEMPLATE match<Args...>
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{
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};
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}}} // namespace boost::parameter::aux
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#else
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#include <boost/parameter/aux_/void.hpp>
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#include <boost/preprocessor/facilities/intercept.hpp>
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#include <boost/preprocessor/repetition/enum_params.hpp>
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#include <boost/preprocessor/repetition/enum_trailing_binary_params.hpp>
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namespace boost { namespace parameter { namespace aux {
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// Recast the ParameterSpec's nested match metafunction
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// as a free metafunction.
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template <
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typename Parameters
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BOOST_PP_ENUM_TRAILING_BINARY_PARAMS(
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BOOST_PARAMETER_MAX_ARITY
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, typename A
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, = ::boost::parameter::void_ BOOST_PP_INTERCEPT
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)
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>
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struct match
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: Parameters::BOOST_NESTED_TEMPLATE match<
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BOOST_PP_ENUM_PARAMS(BOOST_PARAMETER_MAX_ARITY, A)
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>
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{
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};
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}}} // namespace boost::parameter::aux
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#endif // BOOST_PARAMETER_HAS_PERFECT_FORWARDING
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#endif // include guard
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