ceph/src/boost/libs/mpl/include/boost/mpl/reverse_iter_fold.hpp

   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 // $Id$
  15 // $Date$
  16 // $Revision$
  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