diff -r 2fe1408b6811 -r e1b950c65cb4 epoc32/include/stdapis/boost/mpl/aux_/fold_impl.hpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/epoc32/include/stdapis/boost/mpl/aux_/fold_impl.hpp Wed Mar 31 12:27:01 2010 +0100 @@ -0,0 +1,180 @@ + +// 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 "boost/mpl/aux_/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::type >::type state1; + typedef typename mpl::next::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::type >::type state1; + typedef typename mpl::next::type iter1; + typedef typename apply2< ForwardOp, state1, typename deref::type >::type state2; + typedef typename mpl::next::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::type >::type state1; + typedef typename mpl::next::type iter1; + typedef typename apply2< ForwardOp, state1, typename deref::type >::type state2; + typedef typename mpl::next::type iter2; + typedef typename apply2< ForwardOp, state2, typename deref::type >::type state3; + typedef typename mpl::next::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::type >::type state1; + typedef typename mpl::next::type iter1; + typedef typename apply2< ForwardOp, state1, typename deref::type >::type state2; + typedef typename mpl::next::type iter2; + typedef typename apply2< ForwardOp, state2, typename deref::type >::type state3; + typedef typename mpl::next::type iter3; + typedef typename apply2< ForwardOp, state3, typename deref::type >::type state4; + typedef typename mpl::next::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::type + , Last + , typename apply2::type>::type + , ForwardOp + > +{ +}; + +template< + typename Last + , typename State + , typename ForwardOp + > +struct fold_impl< -1,Last,Last,State,ForwardOp > +{ + typedef State state; + typedef Last iterator; +}; + +}}}