ext-boost/boost/intrusive/parent_from_member.hpp
2017-03-12 21:30:15 -07:00

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/////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2010-2013
//
// 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_PARENT_FROM_MEMBER_HPP
#define BOOST_INTRUSIVE_PARENT_FROM_MEMBER_HPP
#include <boost/intrusive/detail/config_begin.hpp>
#include <boost/intrusive/detail/workaround.hpp>
#include <boost/intrusive/intrusive_fwd.hpp>
#include <boost/intrusive/detail/parent_from_member.hpp>
#if defined(BOOST_HAS_PRAGMA_ONCE)
# pragma once
#endif
namespace boost {
namespace intrusive {
//! Given a pointer to a member and its corresponding pointer to data member,
//! this function returns the pointer of the parent containing that member.
//! Note: this function does not work with pointer to members that rely on
//! virtual inheritance.
template<class Parent, class Member>
BOOST_INTRUSIVE_FORCEINLINE Parent *get_parent_from_member(Member *member, const Member Parent::* ptr_to_member)
{ return ::boost::intrusive::detail::parent_from_member(member, ptr_to_member); }
//! Given a const pointer to a member and its corresponding const pointer to data member,
//! this function returns the const pointer of the parent containing that member.
//! Note: this function does not work with pointer to members that rely on
//! virtual inheritance.
template<class Parent, class Member>
BOOST_INTRUSIVE_FORCEINLINE const Parent *get_parent_from_member(const Member *member, const Member Parent::* ptr_to_member)
{ return ::boost::intrusive::detail::parent_from_member(member, ptr_to_member); }
} //namespace intrusive {
} //namespace boost {
#include <boost/intrusive/detail/config_end.hpp>
#endif //#ifndef BOOST_INTRUSIVE_PARENT_FROM_MEMBER_HPP