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- /*=============================================================================
- Copyright (c) 2001-2011 Joel de Guzman
- Copyright (c) 2005-2006 Dan Marsden
- Distributed under the Boost Software License, Version 1.0. (See accompanying
- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- ==============================================================================*/
- #if !defined(BOOST_FUSION_EXAMPLE_STRUCT_ITERATOR)
- #define BOOST_FUSION_EXAMPLE_STRUCT_ITERATOR
- #include <boost/fusion/support/iterator_base.hpp>
- #include <boost/fusion/support/category_of.hpp>
- #include <boost/fusion/support/tag_of_fwd.hpp>
- #include <boost/mpl/int.hpp>
- #include <boost/type_traits/add_const.hpp>
- #include <boost/static_assert.hpp>
- #include "./detail/next_impl.hpp"
- #include "./detail/prior_impl.hpp"
- #include "./detail/deref_impl.hpp"
- #include "./detail/advance_impl.hpp"
- #include "./detail/distance_impl.hpp"
- #include "./detail/value_of_impl.hpp"
- #include "./detail/equal_to_impl.hpp"
- #include "./detail/key_of_impl.hpp"
- #include "./detail/value_of_data_impl.hpp"
- #include "./detail/deref_data_impl.hpp"
- namespace example
- {
- struct example_struct_iterator_tag;
- template<typename Struct, int Pos>
- struct example_struct_iterator;
- }
- namespace boost { namespace fusion {
- namespace traits
- {
- template<typename Struct, int Pos>
- struct tag_of<example::example_struct_iterator<Struct, Pos> >
- {
- typedef example::example_struct_iterator_tag type;
- };
- }
- }}
-
- namespace example {
- template<typename Struct, int Pos>
- struct example_struct_iterator
- : boost::fusion::iterator_base<example_struct_iterator<Struct, Pos> >
- {
- BOOST_STATIC_ASSERT(Pos >=0 && Pos < 3);
- typedef Struct struct_type;
- typedef boost::mpl::int_<Pos> index;
- struct category
- : boost::fusion::random_access_traversal_tag
- , boost::fusion::associative_tag
- {};
- example_struct_iterator(Struct& str)
- : struct_(str) {}
- Struct& struct_;
- };
- }
- #endif
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