181 lines
4.4 KiB
C++
181 lines
4.4 KiB
C++
|
|
// 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 the main "fold_impl.hpp" header
|
|
// -- DO NOT modify by hand!
|
|
|
|
namespace boost { namespace mpl { namespace aux {
|
|
|
|
/// forward declaration
|
|
|
|
template<
|
|
int N
|
|
, typename First
|
|
, typename Last
|
|
, typename State
|
|
, typename ForwardOp
|
|
>
|
|
struct fold_impl;
|
|
|
|
template<
|
|
typename First
|
|
, typename Last
|
|
, typename State
|
|
, typename ForwardOp
|
|
>
|
|
struct fold_impl< 0,First,Last,State,ForwardOp >
|
|
{
|
|
typedef First iter0;
|
|
typedef State state0;
|
|
typedef state0 state;
|
|
typedef iter0 iterator;
|
|
};
|
|
|
|
template<
|
|
typename First
|
|
, typename Last
|
|
, typename State
|
|
, typename ForwardOp
|
|
>
|
|
struct fold_impl< 1,First,Last,State,ForwardOp >
|
|
{
|
|
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<
|
|
typename First
|
|
, typename Last
|
|
, typename State
|
|
, typename ForwardOp
|
|
>
|
|
struct fold_impl< 2,First,Last,State,ForwardOp >
|
|
{
|
|
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<
|
|
typename First
|
|
, typename Last
|
|
, typename State
|
|
, typename ForwardOp
|
|
>
|
|
struct fold_impl< 3,First,Last,State,ForwardOp >
|
|
{
|
|
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<
|
|
typename First
|
|
, typename Last
|
|
, typename State
|
|
, typename ForwardOp
|
|
>
|
|
struct fold_impl< 4,First,Last,State,ForwardOp >
|
|
{
|
|
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
|
|
, typename First
|
|
, typename Last
|
|
, typename State
|
|
, typename ForwardOp
|
|
>
|
|
struct fold_impl
|
|
{
|
|
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_impl< -1,First,Last,State,ForwardOp >
|
|
: fold_impl<
|
|
-1
|
|
, typename mpl::next<First>::type
|
|
, Last
|
|
, typename apply2<ForwardOp,State, typename deref<First>::type>::type
|
|
, ForwardOp
|
|
>
|
|
{
|
|
};
|
|
|
|
template<
|
|
typename Last
|
|
, typename State
|
|
, typename ForwardOp
|
|
>
|
|
struct fold_impl< -1,Last,Last,State,ForwardOp >
|
|
{
|
|
typedef State state;
|
|
typedef Last iterator;
|
|
};
|
|
|
|
}}}
|