src/thirdparty/boost_1_47_0/boost/mpl/aux_/preprocessed/mwcw/iter_fold_impl.hpp

   1
   2 // Copyright Aleksey Gurtovoy 2000-2004
   3 //
   4 // Distributed under the Boost Software License, Version 1.0.
   5 // (See accompanying file LICENSE_1_0.txt or copy at
   6 // http://www.boost.org/LICENSE_1_0.txt)
   7 //
   8
   9 // Preprocessed version of "boost/mpl/aux_/iter_fold_impl.hpp" header
  10 // -- DO NOT modify by hand!
  11
  12 namespace boost { namespace mpl { namespace aux {
  13
  14 /// forward declaration
  15
  16 template<
  17       int N
  18     , typename First
  19     , typename Last
  20     , typename State
  21     , typename ForwardOp
  22     >
  23 struct iter_fold_impl;
  24
  25 template<
  26       typename First
  27     , typename Last
  28     , typename State
  29     , typename ForwardOp
  30     >
  31 struct iter_fold_impl< 0,First,Last,State,ForwardOp >
  32 {
  33     typedef First iter0;
  34     typedef State state0;
  35     typedef state0 state;
  36     typedef iter0 iterator;
  37 };
  38
  39 template<
  40       typename First
  41     , typename Last
  42     , typename State
  43     , typename ForwardOp
  44     >
  45 struct iter_fold_impl< 1,First,Last,State,ForwardOp >
  46 {
  47     typedef First iter0;
  48     typedef State state0;
  49     typedef typename apply2< ForwardOp,state0,iter0 >::type state1;
  50     typedef typename mpl::next<iter0>::type iter1;
  51
  52
  53     typedef state1 state;
  54     typedef iter1 iterator;
  55 };
  56
  57 template<
  58       typename First
  59     , typename Last
  60     , typename State
  61     , typename ForwardOp
  62     >
  63 struct iter_fold_impl< 2,First,Last,State,ForwardOp >
  64 {
  65     typedef First iter0;
  66     typedef State state0;
  67     typedef typename apply2< ForwardOp,state0,iter0 >::type state1;
  68     typedef typename mpl::next<iter0>::type iter1;
  69     typedef typename apply2< ForwardOp,state1,iter1 >::type state2;
  70     typedef typename mpl::next<iter1>::type iter2;
  71
  72
  73     typedef state2 state;
  74     typedef iter2 iterator;
  75 };
  76
  77 template<
  78       typename First
  79     , typename Last
  80     , typename State
  81     , typename ForwardOp
  82     >
  83 struct iter_fold_impl< 3,First,Last,State,ForwardOp >
  84 {
  85     typedef First iter0;
  86     typedef State state0;
  87     typedef typename apply2< ForwardOp,state0,iter0 >::type state1;
  88     typedef typename mpl::next<iter0>::type iter1;
  89     typedef typename apply2< ForwardOp,state1,iter1 >::type state2;
  90     typedef typename mpl::next<iter1>::type iter2;
  91     typedef typename apply2< ForwardOp,state2,iter2 >::type state3;
  92     typedef typename mpl::next<iter2>::type iter3;
  93
  94
  95     typedef state3 state;
  96     typedef iter3 iterator;
  97 };
  98
  99 template<
 100       typename First
 101     , typename Last
 102     , typename State
 103     , typename ForwardOp
 104     >
 105 struct iter_fold_impl< 4,First,Last,State,ForwardOp >
 106 {
 107     typedef First iter0;
 108     typedef State state0;
 109     typedef typename apply2< ForwardOp,state0,iter0 >::type state1;
 110     typedef typename mpl::next<iter0>::type iter1;
 111     typedef typename apply2< ForwardOp,state1,iter1 >::type state2;
 112     typedef typename mpl::next<iter1>::type iter2;
 113     typedef typename apply2< ForwardOp,state2,iter2 >::type state3;
 114     typedef typename mpl::next<iter2>::type iter3;
 115     typedef typename apply2< ForwardOp,state3,iter3 >::type state4;
 116     typedef typename mpl::next<iter3>::type iter4;
 117
 118
 119     typedef state4 state;
 120     typedef iter4 iterator;
 121 };
 122
 123 template<
 124       int N
 125     , typename First
 126     , typename Last
 127     , typename State
 128     , typename ForwardOp
 129     >
 130 struct iter_fold_impl
 131 {
 132     typedef iter_fold_impl<
 133           4
 134         , First
 135         , Last
 136         , State
 137         , ForwardOp
 138         > chunk_;
 139
 140     typedef iter_fold_impl<
 141           ( (N - 4) < 0 ? 0 : N - 4 )
 142         , typename chunk_::iterator
 143         , Last
 144         , typename chunk_::state
 145         , ForwardOp
 146         > res_;
 147
 148     typedef typename res_::state state;
 149     typedef typename res_::iterator iterator;
 150 };
 151
 152 template<
 153       typename First
 154     , typename Last
 155     , typename State
 156     , typename ForwardOp
 157     >
 158 struct iter_fold_impl< -1,First,Last,State,ForwardOp >
 159     : iter_fold_impl<
 160           -1
 161         , typename mpl::next<First>::type
 162         , Last
 163         , typename apply2< ForwardOp,State,First >::type
 164         , ForwardOp
 165         >
 166 {
 167 };
 168
 169 template<
 170       typename Last
 171     , typename State
 172     , typename ForwardOp
 173     >
 174 struct iter_fold_impl< -1,Last,Last,State,ForwardOp >
 175 {
 176     typedef State state;
 177     typedef Last iterator;
 178 };
 179
 180 }}}