ceph/src/boost/libs/fusion/include/boost/fusion/algorithm/iteration/accumulate.hpp

   1 /*=============================================================================
   2     Copyright (c) 2001-2011 Joel de Guzman
   3     Copyright (c) 2015 Kohei Takahashi
   4
   5     Distributed under the Boost Software License, Version 1.0. (See accompanying
   6     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   7 ==============================================================================*/
   8 #if !defined(FUSION_ACCUMULATE_09172005_1032)
   9 #define FUSION_ACCUMULATE_09172005_1032
  10
  11 #include <boost/fusion/support/config.hpp>
  12 #include <boost/fusion/algorithm/iteration/accumulate_fwd.hpp>
  13 #include <boost/fusion/algorithm/iteration/fold.hpp>
  14
  15 namespace boost { namespace fusion
  16 {
  17     struct void_;
  18
  19     namespace result_of
  20     {
  21         template <typename Sequence, typename State, typename F>
  22         struct accumulate
  23             : result_of::fold<Sequence, State, F>
  24         {};
  25     }
  26
  27     template <typename Sequence, typename State, typename F>
  28     BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  29     inline typename result_of::accumulate<Sequence, State const, F>::type
  30     accumulate(Sequence& seq, State const& state, F f)
  31     {
  32         return fusion::fold(seq, state, f);
  33     }
  34
  35     template <typename Sequence, typename State, typename F>
  36     BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  37     inline typename result_of::accumulate<Sequence const, State const, F>::type
  38     accumulate(Sequence const& seq, State const& state, F f)
  39     {
  40         return fusion::fold(seq, state, f);
  41     }
  42 }}
  43
  44 #endif
  45