| /*============================================================================= |
| Copyright (c) 2001-2006 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 |