deref_impl.hpp 856 B

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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_DEREF_IMPL_05062005_0905)
  7. #define FUSION_DEREF_IMPL_05062005_0905
  8. #include <boost/fusion/support/config.hpp>
  9. #include <boost/fusion/iterator/detail/adapt_deref_traits.hpp>
  10. namespace boost { namespace fusion
  11. {
  12. struct filter_view_iterator_tag;
  13. namespace extension
  14. {
  15. template <typename Tag>
  16. struct deref_impl;
  17. template <>
  18. struct deref_impl<filter_view_iterator_tag>
  19. : detail::adapt_deref_traits {};
  20. }
  21. }}
  22. #endif