| |
| #ifndef BOOST_MPL_FOLD_HPP_INCLUDED |
| #define BOOST_MPL_FOLD_HPP_INCLUDED |
| |
| // Copyright Aleksey Gurtovoy 2001-2004 |
| // Copyright David Abrahams 2001-2002 |
| // |
| // 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) |
| // |
| // See http://www.boost.org/libs/mpl for documentation. |
| |
| // $Id$ |
| // $Date$ |
| // $Revision$ |
| |
| #include <boost/mpl/begin_end.hpp> |
| #include <boost/mpl/O1_size.hpp> |
| #include <boost/mpl/aux_/fold_impl.hpp> |
| #include <boost/mpl/aux_/na_spec.hpp> |
| #include <boost/mpl/aux_/lambda_support.hpp> |
| |
| namespace boost { namespace mpl { |
| |
| template< |
| typename BOOST_MPL_AUX_NA_PARAM(Sequence) |
| , typename BOOST_MPL_AUX_NA_PARAM(State) |
| , typename BOOST_MPL_AUX_NA_PARAM(ForwardOp) |
| > |
| struct fold |
| { |
| typedef typename aux::fold_impl< |
| ::boost::mpl::O1_size<Sequence>::value |
| , typename begin<Sequence>::type |
| , typename end<Sequence>::type |
| , State |
| , ForwardOp |
| >::state type; |
| |
| BOOST_MPL_AUX_LAMBDA_SUPPORT(3,fold,(Sequence,State,ForwardOp)) |
| }; |
| |
| BOOST_MPL_AUX_NA_SPEC(3, fold) |
| |
| }} |
| |
| #endif // BOOST_MPL_FOLD_HPP_INCLUDED |
