value_type.hpp 1.1 KB

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  1. // Boost.Geometry (aka GGL, Generic Geometry Library)
  2. // Copyright (c) 2014, Oracle and/or its affiliates.
  3. // Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
  4. // Licensed under the Boost Software License version 1.0.
  5. // http://www.boost.org/users/license.html
  6. #ifndef BOOST_GEOMETRY_ITERATORS_DETAIL_POINT_ITERATOR_VALUE_TYPE_HPP
  7. #define BOOST_GEOMETRY_ITERATORS_DETAIL_POINT_ITERATOR_VALUE_TYPE_HPP
  8. #include <boost/type_traits/is_const.hpp>
  9. #include <boost/mpl/if.hpp>
  10. #include <boost/geometry/core/point_type.hpp>
  11. namespace boost { namespace geometry
  12. {
  13. #ifndef DOXYGEN_NO_DETAIL
  14. namespace detail { namespace point_iterator
  15. {
  16. template <typename Geometry>
  17. struct value_type
  18. {
  19. typedef typename boost::mpl::if_c
  20. <
  21. !boost::is_const<Geometry>::type::value,
  22. typename geometry::point_type<Geometry>::type,
  23. typename geometry::point_type<Geometry>::type const
  24. >::type type;
  25. };
  26. }} // namespace detail::point_iterator
  27. #endif // DOXYGEN_NO_DETAIL
  28. }} // namespace boost::geometry
  29. #endif // BOOST_GEOMETRY_ITERATORS_DETAIL_POINT_ITERATOR_VALUE_TYPE_HPP