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/Src/Dependencies/Boost/boost/mpl/set/aux_/item.hpp

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C++ Header | 80 lines | 52 code | 17 blank | 11 comment | 0 complexity | 602ac761d8a6480e3f4f6a116b47d689 MD5 | raw file
 1
 2#ifndef BOOST_MPL_SET_AUX_ITEM_HPP_INCLUDED
 3#define BOOST_MPL_SET_AUX_ITEM_HPP_INCLUDED
 4
 5// Copyright Aleksey Gurtovoy 2003-2007
 6// Copyright David Abrahams 2003-2004
 7//
 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)
11//
12// See http://www.boost.org/libs/mpl for documentation.
13
14// $Id: item.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
15// $Date: 2008-10-11 17:19:02 +1100 (Sat, 11 Oct 2008) $
16// $Revision: 49267 $
17
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>
25
26namespace boost { namespace mpl {
27
28template< typename T, typename Base >
29struct s_item
30    : Base
31{
32    typedef s_item<T,Base> item_;
33    typedef void_       last_masked_;
34    typedef T           item_type_;
35    typedef Base        base;
36    
37    typedef typename next< typename Base::size >::type  size;
38    typedef typename next< typename Base::order >::type order;
39
40#if defined(BOOST_MPL_CFG_NO_DEPENDENT_ARRAY_TYPES)
41    typedef typename aux::weighted_tag<BOOST_MPL_AUX_MSVC_VALUE_WKND(order)::value>::type order_tag_;
42#else
43    typedef char (&order_tag_)[BOOST_MPL_AUX_MSVC_VALUE_WKND(order)::value];
44#endif
45
46    BOOST_MPL_AUX_SET_OVERLOAD( order_tag_, ORDER_BY_KEY, s_item, aux::type_wrapper<T>* );
47    BOOST_MPL_AUX_SET_OVERLOAD( aux::no_tag, IS_MASKED, s_item, aux::type_wrapper<T>* );
48};
49
50
51template< typename T, typename Base >
52struct s_mask
53    : Base
54{
55    typedef s_mask<T,Base> item_;
56    typedef T       last_masked_;
57    typedef void_   item_type_;
58    typedef Base    base;
59    typedef typename prior< typename Base::size >::type  size;
60
61    BOOST_MPL_AUX_SET_OVERLOAD( aux::yes_tag, IS_MASKED, s_mask, aux::type_wrapper<T>* );
62};
63
64
65template< typename T, typename Base >
66struct s_unmask
67    : Base
68{
69    typedef s_unmask<T,Base> item_;
70    typedef void_   last_masked_;
71    typedef T       item_type_;
72    typedef Base    base;
73    typedef typename next< typename Base::size >::type  size;
74
75    BOOST_MPL_AUX_SET_OVERLOAD( aux::no_tag, IS_MASKED, s_unmask, aux::type_wrapper<T>* );
76};
77
78}}
79
80#endif // BOOST_MPL_SET_AUX_ITEM_HPP_INCLUDED