[857] | 1 |
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| 2 | // Copyright Aleksey Gurtovoy 2000-2004
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| 3 | //
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| 4 | // Distributed under the Boost Software License, Version 1.0.
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| 5 | // (See accompanying file LICENSE_1_0.txt or copy at
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| 6 | // http://www.boost.org/LICENSE_1_0.txt)
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| 7 | //
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| 8 |
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| 9 | // Preprocessed version of "boost/mpl/aux_/iter_fold_impl.hpp" header
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| 10 | // -- DO NOT modify by hand!
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| 11 |
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| 12 | namespace boost { namespace mpl { namespace aux {
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| 13 |
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| 14 | /// forward declaration
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| 15 |
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| 16 | template<
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| 17 | int N
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| 18 | , typename First
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| 19 | , typename Last
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| 20 | , typename State
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| 21 | , typename ForwardOp
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| 22 | >
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| 23 | struct iter_fold_impl;
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| 24 |
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| 25 | template< int N >
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| 26 | struct iter_fold_chunk;
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| 27 |
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| 28 | template<> struct iter_fold_chunk<0>
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| 29 | {
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| 30 | template<
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| 31 | typename First
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| 32 | , typename Last
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| 33 | , typename State
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| 34 | , typename ForwardOp
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| 35 | >
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| 36 | struct result_
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| 37 | {
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| 38 | typedef First iter0;
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| 39 | typedef State state0;
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| 40 | typedef state0 state;
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| 41 | typedef iter0 iterator;
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| 42 | };
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| 43 | };
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| 44 |
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| 45 | template<> struct iter_fold_chunk<1>
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| 46 | {
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| 47 | template<
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| 48 | typename First
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| 49 | , typename Last
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| 50 | , typename State
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| 51 | , typename ForwardOp
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| 52 | >
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| 53 | struct result_
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| 54 | {
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| 55 | typedef First iter0;
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| 56 | typedef State state0;
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| 57 | typedef typename apply2< ForwardOp,state0,iter0 >::type state1;
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| 58 | typedef typename mpl::next<iter0>::type iter1;
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| 59 |
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| 60 |
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| 61 | typedef state1 state;
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| 62 | typedef iter1 iterator;
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| 63 | };
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| 64 | };
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| 65 |
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| 66 | template<> struct iter_fold_chunk<2>
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| 67 | {
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| 68 | template<
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| 69 | typename First
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| 70 | , typename Last
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| 71 | , typename State
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| 72 | , typename ForwardOp
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| 73 | >
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| 74 | struct result_
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| 75 | {
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| 76 | typedef First iter0;
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| 77 | typedef State state0;
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| 78 | typedef typename apply2< ForwardOp,state0,iter0 >::type state1;
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| 79 | typedef typename mpl::next<iter0>::type iter1;
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| 80 | typedef typename apply2< ForwardOp,state1,iter1 >::type state2;
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| 81 | typedef typename mpl::next<iter1>::type iter2;
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| 82 |
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| 83 |
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| 84 | typedef state2 state;
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| 85 | typedef iter2 iterator;
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| 86 | };
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| 87 | };
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| 88 |
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| 89 | template<> struct iter_fold_chunk<3>
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| 90 | {
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| 91 | template<
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| 92 | typename First
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| 93 | , typename Last
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| 94 | , typename State
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| 95 | , typename ForwardOp
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| 96 | >
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| 97 | struct result_
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| 98 | {
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| 99 | typedef First iter0;
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| 100 | typedef State state0;
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| 101 | typedef typename apply2< ForwardOp,state0,iter0 >::type state1;
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| 102 | typedef typename mpl::next<iter0>::type iter1;
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| 103 | typedef typename apply2< ForwardOp,state1,iter1 >::type state2;
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| 104 | typedef typename mpl::next<iter1>::type iter2;
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| 105 | typedef typename apply2< ForwardOp,state2,iter2 >::type state3;
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| 106 | typedef typename mpl::next<iter2>::type iter3;
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| 107 |
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| 108 |
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| 109 | typedef state3 state;
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| 110 | typedef iter3 iterator;
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| 111 | };
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| 112 | };
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| 113 |
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| 114 | template<> struct iter_fold_chunk<4>
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| 115 | {
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| 116 | template<
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| 117 | typename First
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| 118 | , typename Last
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| 119 | , typename State
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| 120 | , typename ForwardOp
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| 121 | >
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| 122 | struct result_
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| 123 | {
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| 124 | typedef First iter0;
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| 125 | typedef State state0;
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| 126 | typedef typename apply2< ForwardOp,state0,iter0 >::type state1;
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| 127 | typedef typename mpl::next<iter0>::type iter1;
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| 128 | typedef typename apply2< ForwardOp,state1,iter1 >::type state2;
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| 129 | typedef typename mpl::next<iter1>::type iter2;
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| 130 | typedef typename apply2< ForwardOp,state2,iter2 >::type state3;
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| 131 | typedef typename mpl::next<iter2>::type iter3;
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| 132 | typedef typename apply2< ForwardOp,state3,iter3 >::type state4;
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| 133 | typedef typename mpl::next<iter3>::type iter4;
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| 134 |
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| 135 |
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| 136 | typedef state4 state;
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| 137 | typedef iter4 iterator;
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| 138 | };
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| 139 | };
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| 140 |
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| 141 | template< int N >
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| 142 | struct iter_fold_chunk
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| 143 | {
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| 144 | template<
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| 145 | typename First
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| 146 | , typename Last
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| 147 | , typename State
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| 148 | , typename ForwardOp
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| 149 | >
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| 150 | struct result_
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| 151 | {
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| 152 | typedef iter_fold_impl<
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| 153 | 4
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| 154 | , First
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| 155 | , Last
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| 156 | , State
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| 157 | , ForwardOp
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| 158 | > chunk_;
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| 159 |
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| 160 | typedef iter_fold_impl<
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| 161 | ( (N - 4) < 0 ? 0 : N - 4 )
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| 162 | , typename chunk_::iterator
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| 163 | , Last
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| 164 | , typename chunk_::state
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| 165 | , ForwardOp
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| 166 | > res_;
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| 167 |
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| 168 | typedef typename res_::state state;
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| 169 | typedef typename res_::iterator iterator;
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| 170 | };
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| 171 | };
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| 172 |
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| 173 | template<
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| 174 | typename First
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| 175 | , typename Last
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| 176 | , typename State
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| 177 | , typename ForwardOp
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| 178 | >
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| 179 | struct iter_fold_step;
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| 180 |
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| 181 | template<
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| 182 | typename Last
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| 183 | , typename State
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| 184 | >
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| 185 | struct iter_fold_null_step
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| 186 | {
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| 187 | typedef Last iterator;
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| 188 | typedef State state;
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| 189 | };
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| 190 |
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| 191 | template<>
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| 192 | struct iter_fold_chunk< -1 >
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| 193 | {
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| 194 | template<
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| 195 | typename First
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| 196 | , typename Last
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| 197 | , typename State
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| 198 | , typename ForwardOp
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| 199 | >
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| 200 | struct result_
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| 201 | {
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| 202 | typedef typename if_<
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| 203 | typename is_same< First,Last >::type
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| 204 | , iter_fold_null_step< Last,State >
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| 205 | , iter_fold_step< First,Last,State,ForwardOp >
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| 206 | >::type res_;
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| 207 |
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| 208 | typedef typename res_::state state;
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| 209 | typedef typename res_::iterator iterator;
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| 210 | };
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| 211 | };
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| 212 |
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| 213 | template<
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| 214 | typename First
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| 215 | , typename Last
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| 216 | , typename State
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| 217 | , typename ForwardOp
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| 218 | >
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| 219 | struct iter_fold_step
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| 220 | {
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| 221 | typedef iter_fold_chunk< -1 >::template result_<
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| 222 | typename mpl::next<First>::type
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| 223 | , Last
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| 224 | , typename apply2< ForwardOp,State,First >::type
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| 225 | , ForwardOp
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| 226 | > chunk_;
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| 227 |
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| 228 | typedef typename chunk_::state state;
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| 229 | typedef typename chunk_::iterator iterator;
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| 230 | };
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| 231 |
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| 232 | template<
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| 233 | int N
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| 234 | , typename First
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| 235 | , typename Last
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| 236 | , typename State
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| 237 | , typename ForwardOp
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| 238 | >
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| 239 | struct iter_fold_impl
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| 240 | : iter_fold_chunk<N>
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| 241 | ::template result_< First,Last,State,ForwardOp >
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| 242 | {
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| 243 | };
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| 244 |
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| 245 | }}}
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