| ///////////////////////////////////////////////////////////////////////////// |
| // |
| // (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 |