epoc32/include/stdapis/boost/mpl/aux_/fold_impl.hpp
branchSymbian2
changeset 3 e1b950c65cb4
parent 2 2fe1408b6811
child 4 837f303aceeb
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/epoc32/include/stdapis/boost/mpl/aux_/fold_impl.hpp	Wed Mar 31 12:27:01 2010 +0100
     1.3 @@ -0,0 +1,180 @@
     1.4 +
     1.5 +// Copyright Aleksey Gurtovoy 2000-2004
     1.6 +//
     1.7 +// Distributed under the Boost Software License, Version 1.0. 
     1.8 +// (See accompanying file LICENSE_1_0.txt or copy at 
     1.9 +// http://www.boost.org/LICENSE_1_0.txt)
    1.10 +//
    1.11 +
    1.12 +// Preprocessed version of "boost/mpl/aux_/fold_impl.hpp" header
    1.13 +// -- DO NOT modify by hand!
    1.14 +
    1.15 +namespace boost { namespace mpl { namespace aux {
    1.16 +
    1.17 +/// forward declaration
    1.18 +
    1.19 +template<
    1.20 +      int N
    1.21 +    , typename First
    1.22 +    , typename Last
    1.23 +    , typename State
    1.24 +    , typename ForwardOp
    1.25 +    >
    1.26 +struct fold_impl;
    1.27 +
    1.28 +template<
    1.29 +      typename First
    1.30 +    , typename Last
    1.31 +    , typename State
    1.32 +    , typename ForwardOp
    1.33 +    >
    1.34 +struct fold_impl< 0,First,Last,State,ForwardOp >
    1.35 +{
    1.36 +    typedef First iter0;
    1.37 +    typedef State state0;
    1.38 +    typedef state0 state;
    1.39 +    typedef iter0 iterator;
    1.40 +};
    1.41 +
    1.42 +template<
    1.43 +      typename First
    1.44 +    , typename Last
    1.45 +    , typename State
    1.46 +    , typename ForwardOp
    1.47 +    >
    1.48 +struct fold_impl< 1,First,Last,State,ForwardOp >
    1.49 +{
    1.50 +    typedef First iter0;
    1.51 +    typedef State state0;
    1.52 +    typedef typename apply2< ForwardOp, state0, typename deref<iter0>::type >::type state1;
    1.53 +    typedef typename mpl::next<iter0>::type iter1;
    1.54 +    
    1.55 +
    1.56 +    typedef state1 state;
    1.57 +    typedef iter1 iterator;
    1.58 +};
    1.59 +
    1.60 +template<
    1.61 +      typename First
    1.62 +    , typename Last
    1.63 +    , typename State
    1.64 +    , typename ForwardOp
    1.65 +    >
    1.66 +struct fold_impl< 2,First,Last,State,ForwardOp >
    1.67 +{
    1.68 +    typedef First iter0;
    1.69 +    typedef State state0;
    1.70 +    typedef typename apply2< ForwardOp, state0, typename deref<iter0>::type >::type state1;
    1.71 +    typedef typename mpl::next<iter0>::type iter1;
    1.72 +    typedef typename apply2< ForwardOp, state1, typename deref<iter1>::type >::type state2;
    1.73 +    typedef typename mpl::next<iter1>::type iter2;
    1.74 +    
    1.75 +
    1.76 +    typedef state2 state;
    1.77 +    typedef iter2 iterator;
    1.78 +};
    1.79 +
    1.80 +template<
    1.81 +      typename First
    1.82 +    , typename Last
    1.83 +    , typename State
    1.84 +    , typename ForwardOp
    1.85 +    >
    1.86 +struct fold_impl< 3,First,Last,State,ForwardOp >
    1.87 +{
    1.88 +    typedef First iter0;
    1.89 +    typedef State state0;
    1.90 +    typedef typename apply2< ForwardOp, state0, typename deref<iter0>::type >::type state1;
    1.91 +    typedef typename mpl::next<iter0>::type iter1;
    1.92 +    typedef typename apply2< ForwardOp, state1, typename deref<iter1>::type >::type state2;
    1.93 +    typedef typename mpl::next<iter1>::type iter2;
    1.94 +    typedef typename apply2< ForwardOp, state2, typename deref<iter2>::type >::type state3;
    1.95 +    typedef typename mpl::next<iter2>::type iter3;
    1.96 +    
    1.97 +
    1.98 +    typedef state3 state;
    1.99 +    typedef iter3 iterator;
   1.100 +};
   1.101 +
   1.102 +template<
   1.103 +      typename First
   1.104 +    , typename Last
   1.105 +    , typename State
   1.106 +    , typename ForwardOp
   1.107 +    >
   1.108 +struct fold_impl< 4,First,Last,State,ForwardOp >
   1.109 +{
   1.110 +    typedef First iter0;
   1.111 +    typedef State state0;
   1.112 +    typedef typename apply2< ForwardOp, state0, typename deref<iter0>::type >::type state1;
   1.113 +    typedef typename mpl::next<iter0>::type iter1;
   1.114 +    typedef typename apply2< ForwardOp, state1, typename deref<iter1>::type >::type state2;
   1.115 +    typedef typename mpl::next<iter1>::type iter2;
   1.116 +    typedef typename apply2< ForwardOp, state2, typename deref<iter2>::type >::type state3;
   1.117 +    typedef typename mpl::next<iter2>::type iter3;
   1.118 +    typedef typename apply2< ForwardOp, state3, typename deref<iter3>::type >::type state4;
   1.119 +    typedef typename mpl::next<iter3>::type iter4;
   1.120 +    
   1.121 +
   1.122 +    typedef state4 state;
   1.123 +    typedef iter4 iterator;
   1.124 +};
   1.125 +
   1.126 +template<
   1.127 +      int N
   1.128 +    , typename First
   1.129 +    , typename Last
   1.130 +    , typename State
   1.131 +    , typename ForwardOp
   1.132 +    >
   1.133 +struct fold_impl
   1.134 +{
   1.135 +    typedef fold_impl<
   1.136 +          4
   1.137 +        , First
   1.138 +        , Last
   1.139 +        , State
   1.140 +        , ForwardOp
   1.141 +        > chunk_;
   1.142 +
   1.143 +    typedef fold_impl<
   1.144 +          ( (N - 4) < 0 ? 0 : N - 4 )
   1.145 +        , typename chunk_::iterator
   1.146 +        , Last
   1.147 +        , typename chunk_::state
   1.148 +        , ForwardOp
   1.149 +        > res_;
   1.150 +
   1.151 +    typedef typename res_::state state;
   1.152 +    typedef typename res_::iterator iterator;
   1.153 +};
   1.154 +
   1.155 +template<
   1.156 +      typename First
   1.157 +    , typename Last
   1.158 +    , typename State
   1.159 +    , typename ForwardOp
   1.160 +    >
   1.161 +struct fold_impl< -1,First,Last,State,ForwardOp >
   1.162 +    : fold_impl<
   1.163 +          -1
   1.164 +        , typename mpl::next<First>::type
   1.165 +        , Last
   1.166 +        , typename apply2<ForwardOp,State, typename deref<First>::type>::type
   1.167 +        , ForwardOp
   1.168 +        >
   1.169 +{
   1.170 +};
   1.171 +
   1.172 +template<
   1.173 +      typename Last
   1.174 +    , typename State
   1.175 +    , typename ForwardOp
   1.176 +    >
   1.177 +struct fold_impl< -1,Last,Last,State,ForwardOp >
   1.178 +{
   1.179 +    typedef State state;
   1.180 +    typedef Last iterator;
   1.181 +};
   1.182 +
   1.183 +}}}