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- // Copyright David Abrahams 2004. Use, modification and distribution is
- // subject to 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)
- #ifndef NODE_ITERATOR1_DWA2004110_HPP
- # define NODE_ITERATOR1_DWA2004110_HPP
- # include "node.hpp"
- # include <boost/iterator/iterator_facade.hpp>
- class node_iterator
- : public boost::iterator_facade<
- node_iterator
- , node_base
- , boost::forward_traversal_tag
- >
- {
- public:
- node_iterator()
- : m_node(0)
- {}
- explicit node_iterator(node_base* p)
- : m_node(p)
- {}
- private:
- friend class boost::iterator_core_access;
- void increment()
- { m_node = m_node->next(); }
-
- bool equal(node_iterator const& other) const
- { return this->m_node == other.m_node; }
-
- node_base& dereference() const
- { return *m_node; }
- node_base* m_node;
- };
- #endif // NODE_ITERATOR1_DWA2004110_HPP
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