// Copyright David Abrahams, Daniel Wallin 2003.
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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_PACK_ITEM_HPP
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#define BOOST_PARAMETER_AUX_PACK_ITEM_HPP
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#include <boost/parameter/aux_/void.hpp>
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#include <boost/config.hpp>
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#include <boost/config/workaround.hpp>
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#if BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x564))
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#include <boost/type_traits/is_const.hpp>
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#include <boost/type_traits/remove_reference.hpp>
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#endif
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namespace boost { namespace parameter { namespace aux {
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// A parameter spec item typelist.
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template <
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typename Spec
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, typename Arg
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, typename Tail = ::boost::parameter::void_
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>
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struct item
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{
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typedef Spec spec;
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#if BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x564))
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typedef ::boost::is_const<
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typename ::boost::remove_reference<Arg>::type
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> is_arg_const;
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#endif
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typedef Arg arg;
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typedef Tail tail;
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};
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template <typename Spec, typename Arg, typename Tail>
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struct make_item
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{
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typedef boost::parameter::aux
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::item<Spec,Arg,typename Tail::type> type;
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};
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}}} // namespace boost::parameter::aux
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#endif // include guard
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