2 // Copyright Aleksey Gurtovoy 2000-2004
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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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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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12 namespace boost { namespace mpl { namespace aux {
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14 /// forward declaration
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21 , typename ForwardOp
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23 struct iter_fold_impl;
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26 struct iter_fold_chunk;
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28 template<> struct iter_fold_chunk<0>
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34 , typename ForwardOp
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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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45 template<> struct iter_fold_chunk<1>
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51 , typename ForwardOp
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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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61 typedef state1 state;
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62 typedef iter1 iterator;
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66 template<> struct iter_fold_chunk<2>
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72 , typename ForwardOp
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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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84 typedef state2 state;
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85 typedef iter2 iterator;
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89 template<> struct iter_fold_chunk<3>
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95 , typename ForwardOp
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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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109 typedef state3 state;
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110 typedef iter3 iterator;
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114 template<> struct iter_fold_chunk<4>
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120 , typename ForwardOp
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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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136 typedef state4 state;
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137 typedef iter4 iterator;
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142 struct iter_fold_chunk
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148 , typename ForwardOp
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152 typedef iter_fold_impl<
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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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164 , typename chunk_::state
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168 typedef typename res_::state state;
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169 typedef typename res_::iterator iterator;
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177 , typename ForwardOp
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179 struct iter_fold_step;
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185 struct iter_fold_null_step
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187 typedef Last iterator;
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188 typedef State state;
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192 struct iter_fold_chunk< -1 >
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198 , typename ForwardOp
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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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208 typedef typename res_::state state;
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209 typedef typename res_::iterator iterator;
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217 , typename ForwardOp
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219 struct iter_fold_step
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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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224 , typename apply2< ForwardOp,State,First >::type
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228 typedef typename chunk_::state state;
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229 typedef typename chunk_::iterator iterator;
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237 , typename ForwardOp
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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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