vector_iterator.hpp 2.1 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_VECTOR_ITERATOR_05042005_0635)
  7. #define FUSION_VECTOR_ITERATOR_05042005_0635
  8. #include <boost/fusion/support/config.hpp>
  9. #include <boost/fusion/support/iterator_base.hpp>
  10. #include <boost/fusion/container/vector/detail/deref_impl.hpp>
  11. #include <boost/fusion/container/vector/detail/value_of_impl.hpp>
  12. #include <boost/fusion/container/vector/detail/next_impl.hpp>
  13. #include <boost/fusion/container/vector/detail/prior_impl.hpp>
  14. #include <boost/fusion/container/vector/detail/equal_to_impl.hpp>
  15. #include <boost/fusion/container/vector/detail/distance_impl.hpp>
  16. #include <boost/fusion/container/vector/detail/advance_impl.hpp>
  17. #include <boost/type_traits/add_const.hpp>
  18. #include <boost/mpl/int.hpp>
  19. namespace boost { namespace fusion
  20. {
  21. struct vector_iterator_tag;
  22. struct random_access_traversal_tag;
  23. template <typename Vector, int N>
  24. struct vector_iterator_identity;
  25. template <typename Vector, int N>
  26. struct vector_iterator : iterator_base<vector_iterator<Vector, N> >
  27. {
  28. typedef mpl::int_<N> index;
  29. typedef Vector vector;
  30. typedef vector_iterator_tag fusion_tag;
  31. typedef random_access_traversal_tag category;
  32. typedef vector_iterator_identity<
  33. typename add_const<Vector>::type, N> identity;
  34. BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  35. vector_iterator(Vector& in_vec)
  36. : vec(in_vec) {}
  37. Vector& vec;
  38. private:
  39. // silence MSVC warning C4512: assignment operator could not be generated
  40. vector_iterator& operator= (vector_iterator const&);
  41. };
  42. }}
  43. #ifdef BOOST_FUSION_WORKAROUND_FOR_LWG_2408
  44. namespace std
  45. {
  46. template <typename Vector, int N>
  47. struct iterator_traits< ::boost::fusion::vector_iterator<Vector, N> >
  48. { };
  49. }
  50. #endif
  51. #endif