boost/intrusive/detail/list_node.hpp
/////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Olaf Krzikalla 2004-2006.
// (C) Copyright Ion Gaztanaga 2006-2013
//
// 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_LIST_NODE_HPP
#define BOOST_INTRUSIVE_LIST_NODE_HPP
#ifndef BOOST_CONFIG_HPP
# include <boost/config.hpp>
#endif
#if defined(BOOST_HAS_PRAGMA_ONCE)
# pragma once
#endif
#include <boost/intrusive/detail/workaround.hpp>
#include <boost/intrusive/pointer_rebind.hpp>
namespace boost {
namespace intrusive {
// list_node_traits can be used with circular_list_algorithms and supplies
// a list_node holding the pointers needed for a double-linked list
// it is used by list_derived_node and list_member_node
template<class VoidPointer>
struct list_node
{
typedef typename pointer_rebind<VoidPointer, list_node>::type node_ptr;
node_ptr next_;
node_ptr prev_;
};
template<class VoidPointer>
struct list_node_traits
{
typedef list_node<VoidPointer> node;
typedef typename node::node_ptr node_ptr;
typedef typename pointer_rebind<VoidPointer, const node>::type const_node_ptr;
BOOST_INTRUSIVE_FORCEINLINE static node_ptr get_previous(const const_node_ptr & n)
{ return n->prev_; }
BOOST_INTRUSIVE_FORCEINLINE static node_ptr get_previous(const node_ptr & n)
{ return n->prev_; }
BOOST_INTRUSIVE_FORCEINLINE static void set_previous(node_ptr n, node_ptr prev)
{ n->prev_ = prev; }
BOOST_INTRUSIVE_FORCEINLINE static node_ptr get_next(const const_node_ptr & n)
{ return n->next_; }
BOOST_INTRUSIVE_FORCEINLINE static node_ptr get_next(const node_ptr & n)
{ return n->next_; }
BOOST_INTRUSIVE_FORCEINLINE static void set_next(node_ptr n, node_ptr next)
{ n->next_ = next; }
};
} //namespace intrusive
} //namespace boost
#endif //BOOST_INTRUSIVE_LIST_NODE_HPP