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#ifndef BOOST_MPL_SET_AUX_ITEM_HPP_INCLUDED
#define BOOST_MPL_SET_AUX_ITEM_HPP_INCLUDED
// Copyright Aleksey Gurtovoy 2003-2007
// Copyright David Abrahams 2003-2004
//
// 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/long.hpp>
#include <boost/mpl/void.hpp>
#include <boost/mpl/next.hpp>
#include <boost/mpl/prior.hpp>
#include <boost/mpl/set/aux_/set0.hpp>
#include <boost/mpl/aux_/type_wrapper.hpp>
#include <boost/mpl/aux_/config/arrays.hpp>
namespace boost { namespace mpl {
template< typename T, typename Base >
struct s_item
: Base
{
typedef s_item<T,Base> item_;
typedef void_ last_masked_;
typedef T item_type_;
typedef typename Base::item_ base;
typedef typename next< typename Base::size >::type size;
typedef typename next< typename Base::order >::type order;
#if defined(BOOST_MPL_CFG_NO_DEPENDENT_ARRAY_TYPES)
typedef typename aux::weighted_tag<BOOST_MPL_AUX_MSVC_VALUE_WKND(order)::value>::type order_tag_;
#else
typedef char (&order_tag_)[BOOST_MPL_AUX_MSVC_VALUE_WKND(order)::value];
#endif
BOOST_MPL_AUX_SET_OVERLOAD( order_tag_, ORDER_BY_KEY, s_item, aux::type_wrapper<T>* );
BOOST_MPL_AUX_SET_OVERLOAD( aux::no_tag, IS_MASKED, s_item, aux::type_wrapper<T>* );
};
template< typename T, typename Base >
struct s_mask
: Base
{
typedef s_mask<T,Base> item_;
typedef T last_masked_;
typedef void_ item_type_;
typedef typename Base::item_ base;
typedef typename prior< typename Base::size >::type size;
BOOST_MPL_AUX_SET_OVERLOAD( aux::yes_tag, IS_MASKED, s_mask, aux::type_wrapper<T>* );
};
template< typename T, typename Base >
struct s_unmask
: Base
{
typedef s_unmask<T,Base> item_;
typedef void_ last_masked_;
typedef T item_type_;
typedef typename Base::item_ base;
typedef typename next< typename Base::size >::type size;
BOOST_MPL_AUX_SET_OVERLOAD( aux::no_tag, IS_MASKED, s_unmask, aux::type_wrapper<T>* );
};
}}
#endif // BOOST_MPL_SET_AUX_ITEM_HPP_INCLUDED
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