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