2 #ifndef BOOST_MPL_FOLD_HPP_INCLUDED
3 #define BOOST_MPL_FOLD_HPP_INCLUDED
5 // Copyright Aleksey Gurtovoy 2001-2004
6 // Copyright David Abrahams 2001-2002
8 // Distributed under the Boost Software License, Version 1.0.
9 // (See accompanying file LICENSE_1_0.txt or copy at
10 // http://www.boost.org/LICENSE_1_0.txt)
12 // See http://www.boost.org/libs/mpl for documentation.
14 // $Source: /cvsroot/boost/boost/boost/mpl/fold.hpp,v $
15 // $Date: 2004/09/02 15:40:41 $
18 #include <boost/mpl/begin_end.hpp>
19 #include <boost/mpl/O1_size.hpp>
20 #include <boost/mpl/aux_/fold_impl.hpp>
21 #include <boost/mpl/aux_/na_spec.hpp>
22 #include <boost/mpl/aux_/lambda_support.hpp>
24 namespace boost { namespace mpl {
27 typename BOOST_MPL_AUX_NA_PARAM(Sequence)
28 , typename BOOST_MPL_AUX_NA_PARAM(State)
29 , typename BOOST_MPL_AUX_NA_PARAM(ForwardOp)
33 typedef typename aux::fold_impl<
34 ::boost::mpl::O1_size<Sequence>::value
35 , typename begin<Sequence>::type
36 , typename end<Sequence>::type
41 BOOST_MPL_AUX_LAMBDA_SUPPORT(3,fold,(Sequence,State,ForwardOp))
44 BOOST_MPL_AUX_NA_SPEC(3, fold)
48 #endif // BOOST_MPL_FOLD_HPP_INCLUDED