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boost_mpl/include/boost/mpl/set/aux_/item.hpp
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2004-09-05 09:45:19 +00:00

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#ifndef BOOST_MPL_SET_AUX_ITEM_HPP_INCLUDED
#define BOOST_MPL_SET_AUX_ITEM_HPP_INCLUDED
// Copyright Aleksey Gurtovoy 2003-2004
// 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.
// $Source$
// $Date$
// $Revision$
#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_/overload_names.hpp>
#include <boost/mpl/aux_/yes_no.hpp>
#include <boost/mpl/aux_/type_wrapper.hpp>
#include <boost/mpl/aux_/config/arrays.hpp>
#include <boost/mpl/aux_/config/operators.hpp>
#include <boost/mpl/aux_/config/static_constant.hpp>
#include <boost/preprocessor/cat.hpp>
namespace boost { namespace mpl {
aux::no_tag BOOST_MPL_AUX_OVERLOAD_ORDER_BY_KEY( set0<> const&, void const volatile* );
aux::yes_tag BOOST_MPL_AUX_OVERLOAD_IS_MASKED( set0<> const&, void const volatile* );
#if defined(BOOST_MPL_CFG_USE_OPERATORS_SPECIALIZATION)
template< typename T, typename Base > struct s_item;
template< typename T, typename Base > struct s_mask;
template< typename T, typename Base > struct s_unmask;
template< typename T, typename Base >
typename s_item<T,Base>::order_tag_
BOOST_MPL_AUX_OVERLOAD_ORDER_BY_KEY( s_item<T,Base> const&, aux::type_wrapper<T>* );
template< typename T, typename Base >
aux::no_tag
BOOST_MPL_AUX_OVERLOAD_IS_MASKED( s_item<T,Base> const&, aux::type_wrapper<T>* );
template< typename T, typename Base >
aux::no_tag
BOOST_MPL_AUX_OVERLOAD_IS_MASKED( s_unmask<T,Base> const&, aux::type_wrapper<T>* );
template< typename T, typename Base >
aux::yes_tag
BOOST_MPL_AUX_OVERLOAD_IS_MASKED( s_mask<T,Base> const&, aux::type_wrapper<T>* );
# define AUX778076_SET_OVERLOAD(f) BOOST_PP_CAT(BOOST_MPL_AUX_OVERLOAD_,f)<>
# else
# define AUX778076_SET_OVERLOAD(f) BOOST_PP_CAT(BOOST_MPL_AUX_OVERLOAD_,f)
# endif
template< typename T, typename Base >
struct s_item
: Base
{
typedef void_ last_masked_;
typedef Base next_;
typedef T item_type_;
typedef item_type_ type;
typedef Base 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
friend order_tag_ AUX778076_SET_OVERLOAD(ORDER_BY_KEY)( s_item const&, aux::type_wrapper<T>* );
friend aux::no_tag AUX778076_SET_OVERLOAD(IS_MASKED)( s_item const&, aux::type_wrapper<T>* );
};
template< typename T, typename Base >
struct s_mask
: Base
{
typedef T last_masked_;
typedef void_ item_type_;
typedef Base base;
typedef typename prior< typename Base::size >::type size;
friend aux::yes_tag AUX778076_SET_OVERLOAD(IS_MASKED)( s_mask const&, aux::type_wrapper<T>* );
};
template< typename T, typename Base >
struct s_unmask
: Base
{
typedef void_ last_masked_;
typedef T item_type_;
typedef Base base;
typedef typename next< typename Base::size >::type size;
friend aux::no_tag AUX778076_SET_OVERLOAD(IS_MASKED)( s_unmask const&, aux::type_wrapper<T>* );
};
#undef AUX778076_SET_OVERLOAD
}}
#endif // BOOST_MPL_SET_AUX_ITEM_HPP_INCLUDED