accumulate.hpp 1.5 KB

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