| ///////////////////////////////////////////////////////////////////////////// | |
| // | |
| // (C) Copyright Ion Gaztanaga 2006-2009 | |
| // | |
| // 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) | |
| // | |
| // See http://www.boost.org/libs/intrusive for documentation. | |
| // | |
| ///////////////////////////////////////////////////////////////////////////// | |
| #ifndef BOOST_INTRUSIVE_TRIVIAL_VALUE_TRAITS_HPP | |
| #define BOOST_INTRUSIVE_TRIVIAL_VALUE_TRAITS_HPP | |
| #include <boost/intrusive/link_mode.hpp> | |
| namespace boost { | |
| namespace intrusive { | |
| //!This value traits template is used to create value traits | |
| //!from user defined node traits where value_traits::value_type and | |
| //!node_traits::node should be equal | |
| template<class NodeTraits, link_mode_type LinkMode = normal_link> | |
| struct trivial_value_traits | |
| { | |
| typedef NodeTraits node_traits; | |
| typedef typename node_traits::node_ptr node_ptr; | |
| typedef typename node_traits::const_node_ptr const_node_ptr; | |
| typedef typename node_traits::node value_type; | |
| typedef node_ptr pointer; | |
| typedef const_node_ptr const_pointer; | |
| static const link_mode_type link_mode = LinkMode; | |
| static node_ptr to_node_ptr (value_type &value) { return node_ptr(&value); } | |
| static const_node_ptr to_node_ptr (const value_type &value) { return const_node_ptr(&value); } | |
| static pointer to_value_ptr(node_ptr n) { return pointer(n); } | |
| static const_pointer to_value_ptr(const_node_ptr n) { return const_pointer(n); } | |
| }; | |
| } //namespace intrusive | |
| } //namespace boost | |
| #endif //BOOST_INTRUSIVE_TRIVIAL_VALUE_TRAITS_HPP |