344 lines
		
	
	
		
			9.9 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			344 lines
		
	
	
		
			9.9 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_/reverse_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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      long N
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    , typename First
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    , typename Last
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    , typename State
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    , typename BackwardOp
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    , typename ForwardOp
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    >
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struct reverse_fold_impl;
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template< long N >
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struct reverse_fold_chunk;
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template<> struct reverse_fold_chunk<0>
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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 BackwardOp
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        , typename ForwardOp
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        >
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    struct result_
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    {
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        typedef First iter0;
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        typedef State fwd_state0;
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        typedef fwd_state0 bkwd_state0;
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        typedef bkwd_state0 state;
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        typedef iter0 iterator;
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    };
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    /// ETI workaround
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    template<> struct result_< int,int,int,int,int >
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    {
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        typedef int state;
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        typedef int iterator;
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    };
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};
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template<> struct reverse_fold_chunk<1>
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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 BackwardOp
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        , typename ForwardOp
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        >
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    struct result_
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    {
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        typedef First iter0;
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        typedef State fwd_state0;
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        typedef typename apply2< ForwardOp, fwd_state0, typename deref<iter0>::type >::type fwd_state1;
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        typedef typename mpl::next<iter0>::type iter1;
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        typedef fwd_state1 bkwd_state1;
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        typedef typename apply2< BackwardOp, bkwd_state1, typename deref<iter0>::type >::type bkwd_state0;
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        typedef bkwd_state0 state;
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        typedef iter1 iterator;
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    };
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    /// ETI workaround
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    template<> struct result_< int,int,int,int,int >
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    {
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        typedef int state;
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        typedef int iterator;
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    };
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};
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template<> struct reverse_fold_chunk<2>
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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 BackwardOp
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        , typename ForwardOp
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        >
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    struct result_
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    {
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        typedef First iter0;
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        typedef State fwd_state0;
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        typedef typename apply2< ForwardOp, fwd_state0, typename deref<iter0>::type >::type fwd_state1;
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        typedef typename mpl::next<iter0>::type iter1;
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        typedef typename apply2< ForwardOp, fwd_state1, typename deref<iter1>::type >::type fwd_state2;
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        typedef typename mpl::next<iter1>::type iter2;
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        typedef fwd_state2 bkwd_state2;
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        typedef typename apply2< BackwardOp, bkwd_state2, typename deref<iter1>::type >::type bkwd_state1;
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        typedef typename apply2< BackwardOp, bkwd_state1, typename deref<iter0>::type >::type bkwd_state0;
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        typedef bkwd_state0 state;
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        typedef iter2 iterator;
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    };
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    /// ETI workaround
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    template<> struct result_< int,int,int,int,int >
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    {
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        typedef int state;
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        typedef int iterator;
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    };
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};
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template<> struct reverse_fold_chunk<3>
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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 BackwardOp
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        , typename ForwardOp
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        >
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    struct result_
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    {
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        typedef First iter0;
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        typedef State fwd_state0;
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        typedef typename apply2< ForwardOp, fwd_state0, typename deref<iter0>::type >::type fwd_state1;
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        typedef typename mpl::next<iter0>::type iter1;
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        typedef typename apply2< ForwardOp, fwd_state1, typename deref<iter1>::type >::type fwd_state2;
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        typedef typename mpl::next<iter1>::type iter2;
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        typedef typename apply2< ForwardOp, fwd_state2, typename deref<iter2>::type >::type fwd_state3;
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        typedef typename mpl::next<iter2>::type iter3;
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        typedef fwd_state3 bkwd_state3;
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        typedef typename apply2< BackwardOp, bkwd_state3, typename deref<iter2>::type >::type bkwd_state2;
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        typedef typename apply2< BackwardOp, bkwd_state2, typename deref<iter1>::type >::type bkwd_state1;
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        typedef typename apply2< BackwardOp, bkwd_state1, typename deref<iter0>::type >::type bkwd_state0;
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        typedef bkwd_state0 state;
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        typedef iter3 iterator;
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    };
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    /// ETI workaround
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    template<> struct result_< int,int,int,int,int >
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    {
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        typedef int state;
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        typedef int iterator;
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    };
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};
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template<> struct reverse_fold_chunk<4>
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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 BackwardOp
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        , typename ForwardOp
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        >
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    struct result_
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    {
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        typedef First iter0;
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        typedef State fwd_state0;
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        typedef typename apply2< ForwardOp, fwd_state0, typename deref<iter0>::type >::type fwd_state1;
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        typedef typename mpl::next<iter0>::type iter1;
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        typedef typename apply2< ForwardOp, fwd_state1, typename deref<iter1>::type >::type fwd_state2;
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        typedef typename mpl::next<iter1>::type iter2;
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        typedef typename apply2< ForwardOp, fwd_state2, typename deref<iter2>::type >::type fwd_state3;
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        typedef typename mpl::next<iter2>::type iter3;
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        typedef typename apply2< ForwardOp, fwd_state3, typename deref<iter3>::type >::type fwd_state4;
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        typedef typename mpl::next<iter3>::type iter4;
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        typedef fwd_state4 bkwd_state4;
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        typedef typename apply2< BackwardOp, bkwd_state4, typename deref<iter3>::type >::type bkwd_state3;
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        typedef typename apply2< BackwardOp, bkwd_state3, typename deref<iter2>::type >::type bkwd_state2;
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        typedef typename apply2< BackwardOp, bkwd_state2, typename deref<iter1>::type >::type bkwd_state1;
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        typedef typename apply2< BackwardOp, bkwd_state1, typename deref<iter0>::type >::type bkwd_state0;
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        typedef bkwd_state0 state;
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        typedef iter4 iterator;
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    };
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    /// ETI workaround
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    template<> struct result_< int,int,int,int,int >
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    {
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        typedef int state;
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        typedef int iterator;
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    };
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};
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template< long N >
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struct reverse_fold_chunk
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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 BackwardOp
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        , typename ForwardOp
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        >
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    struct result_
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    {
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        typedef First iter0;
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        typedef State fwd_state0;
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        typedef typename apply2< ForwardOp, fwd_state0, typename deref<iter0>::type >::type fwd_state1;
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        typedef typename mpl::next<iter0>::type iter1;
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        typedef typename apply2< ForwardOp, fwd_state1, typename deref<iter1>::type >::type fwd_state2;
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        typedef typename mpl::next<iter1>::type iter2;
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        typedef typename apply2< ForwardOp, fwd_state2, typename deref<iter2>::type >::type fwd_state3;
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        typedef typename mpl::next<iter2>::type iter3;
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        typedef typename apply2< ForwardOp, fwd_state3, typename deref<iter3>::type >::type fwd_state4;
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        typedef typename mpl::next<iter3>::type iter4;
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        typedef reverse_fold_impl<
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              ( (N - 4) < 0 ? 0 : N - 4 )
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            , iter4
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            , Last
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            , fwd_state4
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            , BackwardOp
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            , ForwardOp
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            > nested_chunk;
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        typedef typename nested_chunk::state bkwd_state4;
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        typedef typename apply2< BackwardOp, bkwd_state4, typename deref<iter3>::type >::type bkwd_state3;
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        typedef typename apply2< BackwardOp, bkwd_state3, typename deref<iter2>::type >::type bkwd_state2;
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        typedef typename apply2< BackwardOp, bkwd_state2, typename deref<iter1>::type >::type bkwd_state1;
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        typedef typename apply2< BackwardOp, bkwd_state1, typename deref<iter0>::type >::type bkwd_state0;
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        typedef bkwd_state0 state;
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        typedef typename nested_chunk::iterator iterator;
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    };
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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 BackwardOp
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    , typename ForwardOp
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    >
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struct reverse_fold_step;
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template<
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      typename Last
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    , typename State
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    >
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struct reverse_fold_null_step
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{
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    typedef Last iterator;
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    typedef State state;
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};
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template<>
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struct reverse_fold_chunk< -1 >
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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 BackwardOp
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        , typename ForwardOp
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        >
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    struct result_
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    {
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        typedef typename if_<
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              typename is_same< First,Last >::type
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            , reverse_fold_null_step< Last,State >
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            , reverse_fold_step< First,Last,State,BackwardOp,ForwardOp >
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            >::type 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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    /// ETI workaround
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    template<> struct result_< int,int,int,int,int >
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    {
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        typedef int state;
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        typedef int iterator;
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    };
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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 BackwardOp
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    , typename ForwardOp
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    >
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struct reverse_fold_step
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{
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    typedef reverse_fold_chunk< -1 >::template result_<
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          typename mpl::next<First>::type
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        , Last
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        , typename apply2<ForwardOp,State, typename deref<First>::type>::type
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        , BackwardOp
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        , ForwardOp
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        > nested_step;
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    typedef typename apply2<
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          BackwardOp
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        , typename nested_step::state
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        , typename deref<First>::type
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        >::type state;
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    typedef typename nested_step::iterator iterator;
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};
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template<
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      long N
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    , typename First
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    , typename Last
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    , typename State
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    , typename BackwardOp
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    , typename ForwardOp
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    >
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struct reverse_fold_impl
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    : reverse_fold_chunk<N>
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        ::template result_< First,Last,State,BackwardOp,ForwardOp >
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{
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};
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}}}
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