deref_impl.hpp 1.2 KB

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  1. /*=============================================================================
  2. Copyright (c) 2007 Tobias Schwinger
  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(BOOST_FUSION_REPETITIVE_VIEW_DEREF_IMPL_HPP_INCLUDED)
  7. #define BOOST_FUSION_REPETITIVE_VIEW_DEREF_IMPL_HPP_INCLUDED
  8. #include <boost/fusion/support/config.hpp>
  9. #include <boost/fusion/iterator/deref.hpp>
  10. namespace boost { namespace fusion
  11. {
  12. struct repetitive_view_iterator_tag;
  13. namespace extension
  14. {
  15. template<typename Tag>
  16. struct deref_impl;
  17. template<>
  18. struct deref_impl<repetitive_view_iterator_tag>
  19. {
  20. template<typename Iterator>
  21. struct apply
  22. {
  23. typedef typename
  24. result_of::deref<typename Iterator::pos_type>::type
  25. type;
  26. BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  27. static type call(Iterator const& i)
  28. {
  29. return *i.pos;
  30. }
  31. };
  32. };
  33. }
  34. }}
  35. #endif