1 2 #ifndef BOOST_MPL_ITER_FOLD_BACKWARD_HPP_INCLUDED 3 #define BOOST_MPL_ITER_FOLD_BACKWARD_HPP_INCLUDED 4 5 // Copyright Aleksey Gurtovoy 2001-2004 6 // Copyright Dave Abrahams 2001-2002 7 // 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) 11 // 12 // See http://www.boost.org/libs/mpl for documentation. 13 14 // $Id: reverse_iter_fold.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ 15 // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ 16 // $Revision: 49267 $ 17 18 #include <boost/mpl/begin_end.hpp> 19 #include <boost/mpl/O1_size.hpp> 20 #include <boost/mpl/arg.hpp> 21 #include <boost/mpl/lambda.hpp> 22 #include <boost/mpl/aux_/reverse_iter_fold_impl.hpp> 23 #include <boost/mpl/aux_/na_spec.hpp> 24 #include <boost/mpl/aux_/lambda_support.hpp> 25 26 namespace boost { namespace mpl { 27 28 template< 29 typename BOOST_MPL_AUX_NA_PARAM(Sequence) 30 , typename BOOST_MPL_AUX_NA_PARAM(State) 31 , typename BOOST_MPL_AUX_NA_PARAM(BackwardOp) 32 , typename ForwardOp = arg<1> 33 > 34 struct reverse_iter_fold 35 { 36 typedef typename aux::reverse_iter_fold_impl< 37 ::boost::mpl::O1_size<Sequence>::value 38 , typename begin<Sequence>::type 39 , typename end<Sequence>::type 40 , State 41 , typename lambda<BackwardOp>::type 42 , typename lambda<ForwardOp>::type 43 >::state type; 44 45 BOOST_MPL_AUX_LAMBDA_SUPPORT( 46 4 47 , reverse_iter_fold 48 , (Sequence,State,BackwardOp,ForwardOp) 49 ) 50 }; 51 52 BOOST_MPL_AUX_NA_SPEC(3, reverse_iter_fold) 53 54 }} 55 56 #endif // BOOST_MPL_ITER_FOLD_BACKWARD_HPP_INCLUDED 57