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