reverse.hpp 1.1 KB

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  1. /*=============================================================================
  2. Copyright (c) 2001-2011 Joel de Guzman
  3. Distributed under the Boost Software License, Version 1.0. (See accompanying
  4. file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  5. ==============================================================================*/
  6. #if !defined(FUSION_REVERSE_07212005_1230)
  7. #define FUSION_REVERSE_07212005_1230
  8. #include <boost/fusion/view/reverse_view/reverse_view.hpp>
  9. #include <boost/fusion/support/is_sequence.hpp>
  10. #include <boost/utility/enable_if.hpp>
  11. namespace boost { namespace fusion
  12. {
  13. namespace result_of
  14. {
  15. template <typename Sequence>
  16. struct reverse
  17. {
  18. typedef reverse_view<Sequence> type;
  19. };
  20. }
  21. template <typename Sequence>
  22. inline
  23. typename
  24. enable_if<
  25. traits::is_sequence<Sequence>
  26. , reverse_view<Sequence const>
  27. >::type
  28. reverse(Sequence const& view)
  29. {
  30. return reverse_view<Sequence const>(view);
  31. }
  32. }}
  33. #endif