181 lines
4.2 KiB
Plaintext
181 lines
4.2 KiB
Plaintext
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// Copyright Aleksey Gurtovoy 2000-2004
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// Preprocessed version of "boost/mpl/aux_/iter_fold_impl.hpp" header
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// -- DO NOT modify by hand!
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namespace boost { namespace mpl { namespace aux {
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/// forward declaration
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template<
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int N
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, typename First
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, typename Last
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, typename State
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, typename ForwardOp
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>
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struct iter_fold_impl;
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template<
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typename First
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, typename Last
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, typename State
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, typename ForwardOp
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>
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struct iter_fold_impl< 0,First,Last,State,ForwardOp >
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{
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typedef First iter0;
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typedef State state0;
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typedef state0 state;
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typedef iter0 iterator;
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};
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template<
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typename First
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, typename Last
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, typename State
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, typename ForwardOp
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>
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struct iter_fold_impl< 1,First,Last,State,ForwardOp >
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{
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typedef First iter0;
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typedef State state0;
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typedef typename apply2< ForwardOp,state0,iter0 >::type state1;
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typedef typename mpl::next<iter0>::type iter1;
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typedef state1 state;
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typedef iter1 iterator;
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};
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template<
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typename First
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, typename Last
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, typename State
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, typename ForwardOp
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>
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struct iter_fold_impl< 2,First,Last,State,ForwardOp >
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{
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typedef First iter0;
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typedef State state0;
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typedef typename apply2< ForwardOp,state0,iter0 >::type state1;
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typedef typename mpl::next<iter0>::type iter1;
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typedef typename apply2< ForwardOp,state1,iter1 >::type state2;
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typedef typename mpl::next<iter1>::type iter2;
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typedef state2 state;
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typedef iter2 iterator;
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};
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template<
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typename First
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, typename Last
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, typename State
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, typename ForwardOp
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>
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struct iter_fold_impl< 3,First,Last,State,ForwardOp >
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{
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typedef First iter0;
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typedef State state0;
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typedef typename apply2< ForwardOp,state0,iter0 >::type state1;
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typedef typename mpl::next<iter0>::type iter1;
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typedef typename apply2< ForwardOp,state1,iter1 >::type state2;
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typedef typename mpl::next<iter1>::type iter2;
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typedef typename apply2< ForwardOp,state2,iter2 >::type state3;
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typedef typename mpl::next<iter2>::type iter3;
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typedef state3 state;
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typedef iter3 iterator;
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};
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template<
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typename First
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, typename Last
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, typename State
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, typename ForwardOp
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>
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struct iter_fold_impl< 4,First,Last,State,ForwardOp >
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{
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typedef First iter0;
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typedef State state0;
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typedef typename apply2< ForwardOp,state0,iter0 >::type state1;
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typedef typename mpl::next<iter0>::type iter1;
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typedef typename apply2< ForwardOp,state1,iter1 >::type state2;
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typedef typename mpl::next<iter1>::type iter2;
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typedef typename apply2< ForwardOp,state2,iter2 >::type state3;
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typedef typename mpl::next<iter2>::type iter3;
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typedef typename apply2< ForwardOp,state3,iter3 >::type state4;
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typedef typename mpl::next<iter3>::type iter4;
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typedef state4 state;
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typedef iter4 iterator;
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};
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template<
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int N
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, typename First
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, typename Last
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, typename State
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, typename ForwardOp
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>
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struct iter_fold_impl
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{
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typedef iter_fold_impl<
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4
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, First
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, Last
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, State
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, ForwardOp
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> chunk_;
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typedef iter_fold_impl<
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( (N - 4) < 0 ? 0 : N - 4 )
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, typename chunk_::iterator
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, Last
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, typename chunk_::state
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, ForwardOp
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> res_;
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typedef typename res_::state state;
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typedef typename res_::iterator iterator;
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};
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template<
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typename First
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, typename Last
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, typename State
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, typename ForwardOp
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>
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struct iter_fold_impl< -1,First,Last,State,ForwardOp >
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: iter_fold_impl<
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-1
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, typename mpl::next<First>::type
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, Last
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, typename apply2< ForwardOp,State,First >::type
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, ForwardOp
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>
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{
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};
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template<
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typename Last
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, typename State
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, typename ForwardOp
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>
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struct iter_fold_impl< -1,Last,Last,State,ForwardOp >
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{
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typedef State state;
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typedef Last iterator;
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};
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}}}
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