1 2 #ifndef BOOST_MPL_ITER_FOLD_HPP_INCLUDED 3 #define BOOST_MPL_ITER_FOLD_HPP_INCLUDED 4 5 // Copyright Aleksey Gurtovoy 2001-2004 6 // Copyright David 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: iter_fold.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ 15 // $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $ 16 // $Revision: 49267 $ 17 18 #include <boost/mpl/begin_end.hpp> 19 #include <boost/mpl/O1_size.hpp> 20 #include <boost/mpl/lambda.hpp> 21 #include <boost/mpl/aux_/iter_fold_impl.hpp> 22 #include <boost/mpl/aux_/na_spec.hpp> 23 #include <boost/mpl/aux_/lambda_support.hpp> 24 25 namespace boost { namespace mpl { 26 27 template< 28 typename BOOST_MPL_AUX_NA_PARAM(Sequence) 29 , typename BOOST_MPL_AUX_NA_PARAM(State) 30 , typename BOOST_MPL_AUX_NA_PARAM(ForwardOp) 31 > 32 struct iter_fold 33 { 34 typedef typename aux::iter_fold_impl< 35 ::boost::mpl::O1_size<Sequence>::value 36 , typename begin<Sequence>::type 37 , typename end<Sequence>::type 38 , State 39 , typename lambda<ForwardOp>::type 40 >::state type; 41 42 BOOST_MPL_AUX_LAMBDA_SUPPORT(3,iter_fold,(Sequence,State,ForwardOp)) 43 }; 44 45 BOOST_MPL_AUX_NA_SPEC(3, iter_fold) 46 47 }} 48 49 #endif // BOOST_MPL_ITER_FOLD_HPP_INCLUDED 50
