2 #ifndef BOOST_MPL_MAP_AUX_ITERATOR_HPP_INCLUDED
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3 #define BOOST_MPL_MAP_AUX_ITERATOR_HPP_INCLUDED
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5 // Copyright Aleksey Gurtovoy 2003-2004
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6 // Copyright David Abrahams 2003-2004
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8 // Distributed under the Boost Software License, Version 1.0.
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9 // (See accompanying file LICENSE_1_0.txt or copy at
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10 // http://www.boost.org/LICENSE_1_0.txt)
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12 // See http://www.boost.org/libs/mpl for documentation.
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14 // $Id: iterator.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
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15 // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
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16 // $Revision: 49267 $
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18 #include <boost/mpl/map/aux_/map0.hpp>
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19 #include <boost/mpl/map/aux_/at_impl.hpp>
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20 #include <boost/mpl/map/aux_/tag.hpp>
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21 #include <boost/mpl/iterator_tags.hpp>
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22 #include <boost/mpl/if.hpp>
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23 #include <boost/mpl/next.hpp>
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24 #include <boost/mpl/deref.hpp>
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25 #include <boost/mpl/long.hpp>
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26 #include <boost/mpl/void.hpp>
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27 #include <boost/mpl/aux_/nttp_decl.hpp>
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28 #include <boost/mpl/aux_/config/ctps.hpp>
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30 namespace boost { namespace mpl {
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32 #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
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41 is_void_< typename item_by_order<Map,order>::type >
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42 , next_order<Map,(order+1),max_order>
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52 struct next_order<Map,max_order,max_order>
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58 template< typename Map, long order, long max_order >
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61 typedef forward_iterator_tag category;
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62 typedef typename item_by_order<Map,order>::type type;
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65 template< typename Map, long max_order >
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66 struct m_iter<Map,max_order,max_order>
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68 typedef forward_iterator_tag category;
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72 template< typename Map, long order, long max_order >
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73 struct next< m_iter<Map,order,max_order> >
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77 , next_order<Map,order+1,max_order>::value
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82 template< typename Map, long max_order >
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83 struct next< m_iter<Map,max_order,max_order> >
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91 , BOOST_MPL_AUX_NTTP_DECL(long, order)
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92 , BOOST_MPL_AUX_NTTP_DECL(long, max_order)
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98 , BOOST_MPL_AUX_NTTP_DECL(long, order)
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99 , BOOST_MPL_AUX_NTTP_DECL(long, max_order)
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101 struct next_order_impl
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103 is_void_< typename item_by_order<Map,order>::type >
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104 , next_order<Map,(order+1),max_order>
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112 , BOOST_MPL_AUX_NTTP_DECL(long, order)
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113 , BOOST_MPL_AUX_NTTP_DECL(long, max_order)
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117 (order != max_order)
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118 , next_order_impl<Map,order,max_order>
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127 , BOOST_MPL_AUX_NTTP_DECL(long, order)
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128 , BOOST_MPL_AUX_NTTP_DECL(long, max_order)
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132 struct m_iter_empty_base {};
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136 , BOOST_MPL_AUX_NTTP_DECL(long, order)
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137 , BOOST_MPL_AUX_NTTP_DECL(long, max_order)
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141 typedef typename item_by_order<Map,order>::type type;
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145 , next_order<Map,order+1,max_order>::value
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152 , BOOST_MPL_AUX_NTTP_DECL(long, order)
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153 , BOOST_MPL_AUX_NTTP_DECL(long, max_order)
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157 (order == max_order)
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158 , m_iter_empty_base
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159 , m_iter_base<Map,order,max_order>
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162 typedef forward_iterator_tag category;
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165 #endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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169 #endif // BOOST_MPL_MAP_AUX_ITERATOR_HPP_INCLUDED
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