ext-boost/boost/intrusive/detail/uncast.hpp
2016-03-02 00:27:27 -05:00

56 lines
1.6 KiB
C++

/////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2006-2014
//
// 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_DETAIL_UNCAST_HPP
#define BOOST_INTRUSIVE_DETAIL_UNCAST_HPP
#ifndef BOOST_CONFIG_HPP
# include <boost/config.hpp>
#endif
#if defined(BOOST_HAS_PRAGMA_ONCE)
# pragma once
#endif
#include <boost/intrusive/detail/config_begin.hpp>
#include <boost/intrusive/pointer_traits.hpp>
#include <boost/intrusive/detail/mpl.hpp>
namespace boost {
namespace intrusive {
namespace detail {
template<class ConstNodePtr>
struct uncast_types
{
typedef typename pointer_traits<ConstNodePtr>::element_type element_type;
typedef typename remove_const<element_type>::type non_const_type;
typedef typename pointer_traits<ConstNodePtr>::
template rebind_pointer<non_const_type>::type non_const_pointer;
typedef pointer_traits<non_const_pointer> non_const_traits;
};
template<class ConstNodePtr>
static typename uncast_types<ConstNodePtr>::non_const_pointer
uncast(const ConstNodePtr & ptr)
{
return uncast_types<ConstNodePtr>::non_const_traits::const_cast_from(ptr);
}
} //namespace detail {
} //namespace intrusive
} //namespace boost
#include <boost/intrusive/detail/config_end.hpp>
#endif //BOOST_INTRUSIVE_DETAIL_UTILITIES_HPP