[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_/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 fold_impl;
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| 24 |
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| 25 | template<
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| 26 | typename First
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| 27 | , typename Last
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| 28 | , typename State
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| 29 | , typename ForwardOp
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| 30 | >
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| 31 | struct fold_impl< 0,First,Last,State,ForwardOp >
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| 32 | {
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| 33 | typedef First iter0;
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| 34 | typedef State state0;
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| 35 | typedef state0 state;
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| 36 | typedef iter0 iterator;
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| 37 | };
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| 38 |
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| 39 | template<
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| 40 | typename First
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| 41 | , typename Last
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| 42 | , typename State
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| 43 | , typename ForwardOp
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| 44 | >
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| 45 | struct fold_impl< 1,First,Last,State,ForwardOp >
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| 46 | {
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| 47 | typedef First iter0;
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| 48 | typedef State state0;
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| 49 | typedef typename apply2< ForwardOp, state0, typename deref<iter0>::type >::type state1;
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| 50 | typedef typename mpl::next<iter0>::type iter1;
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| 51 |
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| 52 |
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| 53 | typedef state1 state;
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| 54 | typedef iter1 iterator;
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| 55 | };
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| 56 |
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| 57 | template<
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| 58 | typename First
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| 59 | , typename Last
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| 60 | , typename State
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| 61 | , typename ForwardOp
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| 62 | >
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| 63 | struct fold_impl< 2,First,Last,State,ForwardOp >
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| 64 | {
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| 65 | typedef First iter0;
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| 66 | typedef State state0;
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| 67 | typedef typename apply2< ForwardOp, state0, typename deref<iter0>::type >::type state1;
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| 68 | typedef typename mpl::next<iter0>::type iter1;
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| 69 | typedef typename apply2< ForwardOp, state1, typename deref<iter1>::type >::type state2;
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| 70 | typedef typename mpl::next<iter1>::type iter2;
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| 71 |
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| 72 |
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| 73 | typedef state2 state;
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| 74 | typedef iter2 iterator;
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| 75 | };
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| 76 |
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| 77 | template<
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| 78 | typename First
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| 79 | , typename Last
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| 80 | , typename State
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| 81 | , typename ForwardOp
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| 82 | >
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| 83 | struct fold_impl< 3,First,Last,State,ForwardOp >
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| 84 | {
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| 85 | typedef First iter0;
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| 86 | typedef State state0;
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| 87 | typedef typename apply2< ForwardOp, state0, typename deref<iter0>::type >::type state1;
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| 88 | typedef typename mpl::next<iter0>::type iter1;
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| 89 | typedef typename apply2< ForwardOp, state1, typename deref<iter1>::type >::type state2;
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| 90 | typedef typename mpl::next<iter1>::type iter2;
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| 91 | typedef typename apply2< ForwardOp, state2, typename deref<iter2>::type >::type state3;
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| 92 | typedef typename mpl::next<iter2>::type iter3;
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| 93 |
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| 94 |
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| 95 | typedef state3 state;
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| 96 | typedef iter3 iterator;
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| 97 | };
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| 98 |
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| 99 | template<
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| 100 | typename First
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| 101 | , typename Last
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| 102 | , typename State
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| 103 | , typename ForwardOp
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| 104 | >
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| 105 | struct fold_impl< 4,First,Last,State,ForwardOp >
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| 106 | {
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| 107 | typedef First iter0;
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| 108 | typedef State state0;
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| 109 | typedef typename apply2< ForwardOp, state0, typename deref<iter0>::type >::type state1;
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| 110 | typedef typename mpl::next<iter0>::type iter1;
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| 111 | typedef typename apply2< ForwardOp, state1, typename deref<iter1>::type >::type state2;
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| 112 | typedef typename mpl::next<iter1>::type iter2;
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| 113 | typedef typename apply2< ForwardOp, state2, typename deref<iter2>::type >::type state3;
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| 114 | typedef typename mpl::next<iter2>::type iter3;
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| 115 | typedef typename apply2< ForwardOp, state3, typename deref<iter3>::type >::type state4;
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| 116 | typedef typename mpl::next<iter3>::type iter4;
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| 117 |
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| 118 |
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| 119 | typedef state4 state;
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| 120 | typedef iter4 iterator;
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| 121 | };
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| 122 |
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| 123 | template<
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| 124 | int N
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| 125 | , typename First
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| 126 | , typename Last
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| 127 | , typename State
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| 128 | , typename ForwardOp
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| 129 | >
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| 130 | struct fold_impl
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| 131 | {
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| 132 | typedef fold_impl<
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| 133 | 4
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| 134 | , First
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| 135 | , Last
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| 136 | , State
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| 137 | , ForwardOp
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| 138 | > chunk_;
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| 139 |
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| 140 | typedef fold_impl<
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| 141 | ( (N - 4) < 0 ? 0 : N - 4 )
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| 142 | , typename chunk_::iterator
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| 143 | , Last
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| 144 | , typename chunk_::state
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| 145 | , ForwardOp
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| 146 | > res_;
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| 147 |
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| 148 | typedef typename res_::state state;
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| 149 | typedef typename res_::iterator iterator;
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| 150 | };
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| 151 |
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| 152 | template<
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| 153 | typename First
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| 154 | , typename Last
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| 155 | , typename State
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| 156 | , typename ForwardOp
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| 157 | >
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| 158 | struct fold_impl< -1,First,Last,State,ForwardOp >
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| 159 | : fold_impl<
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| 160 | -1
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| 161 | , typename mpl::next<First>::type
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| 162 | , Last
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| 163 | , typename apply2<ForwardOp,State, typename deref<First>::type>::type
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| 164 | , ForwardOp
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| 165 | >
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| 166 | {
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| 167 | };
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| 168 |
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| 169 | template<
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| 170 | typename Last
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| 171 | , typename State
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| 172 | , typename ForwardOp
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| 173 | >
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| 174 | struct fold_impl< -1,Last,Last,State,ForwardOp >
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| 175 | {
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| 176 | typedef State state;
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| 177 | typedef Last iterator;
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| 178 | };
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| 179 |
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| 180 | }}}
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