2 #ifndef BOOST_MPL_SET_AUX_ITEM_HPP_INCLUDED
3 #define BOOST_MPL_SET_AUX_ITEM_HPP_INCLUDED
5 // Copyright Aleksey Gurtovoy 2003-2004
6 // Copyright David Abrahams 2003-2004
8 // Distributed under the Boost Software License, Version 1.0.
9 // (See accompanying file LICENSE_1_0.txt or copy at
10 // http://www.boost.org/LICENSE_1_0.txt)
12 // See http://www.boost.org/libs/mpl for documentation.
14 // $Source: /cvsroot/boost/boost/boost/mpl/set/aux_/item.hpp,v $
15 // $Date: 2005/06/18 22:03:09 $
18 #include <boost/mpl/long.hpp>
19 #include <boost/mpl/void.hpp>
20 #include <boost/mpl/next.hpp>
21 #include <boost/mpl/prior.hpp>
22 #include <boost/mpl/set/aux_/set0.hpp>
23 #include <boost/mpl/aux_/type_wrapper.hpp>
24 #include <boost/mpl/aux_/config/arrays.hpp>
26 namespace boost { namespace mpl {
28 template< typename T, typename Base >
32 typedef s_item<T,Base> item_;
33 typedef void_ last_masked_;
36 typedef item_type_ type;
39 typedef typename next< typename Base::size >::type size;
40 typedef typename next< typename Base::order >::type order;
42 #if defined(BOOST_MPL_CFG_NO_DEPENDENT_ARRAY_TYPES)
43 typedef typename aux::weighted_tag<BOOST_MPL_AUX_MSVC_VALUE_WKND(order)::value>::type order_tag_;
45 typedef char (&order_tag_)[BOOST_MPL_AUX_MSVC_VALUE_WKND(order)::value];
48 BOOST_MPL_AUX_SET_OVERLOAD( order_tag_, ORDER_BY_KEY, s_item, aux::type_wrapper<T>* );
49 BOOST_MPL_AUX_SET_OVERLOAD( aux::no_tag, IS_MASKED, s_item, aux::type_wrapper<T>* );
53 template< typename T, typename Base >
57 typedef s_mask<T,Base> item_;
58 typedef T last_masked_;
59 typedef void_ item_type_;
61 typedef typename prior< typename Base::size >::type size;
63 BOOST_MPL_AUX_SET_OVERLOAD( aux::yes_tag, IS_MASKED, s_mask, aux::type_wrapper<T>* );
67 template< typename T, typename Base >
71 typedef s_unmask<T,Base> item_;
72 typedef void_ last_masked_;
75 typedef typename next< typename Base::size >::type size;
77 BOOST_MPL_AUX_SET_OVERLOAD( aux::no_tag, IS_MASKED, s_unmask, aux::type_wrapper<T>* );
82 #endif // BOOST_MPL_SET_AUX_ITEM_HPP_INCLUDED