| 1 | ///////////////////////////////////////////////////////////////////////////// |
|---|---|
| 2 | // |
| 3 | // (C) Copyright Ion Gaztanaga 2006-2014 |
| 4 | // |
| 5 | // Distributed under the Boost Software License, Version 1.0. |
| 6 | // (See accompanying file LICENSE_1_0.txt or copy at |
| 7 | // http://www.boost.org/LICENSE_1_0.txt) |
| 8 | // |
| 9 | // See http://www.boost.org/libs/intrusive for documentation. |
| 10 | // |
| 11 | ///////////////////////////////////////////////////////////////////////////// |
| 12 | |
| 13 | #ifndef BOOST_INTRUSIVE_DETAIL_UNCAST_HPP |
| 14 | #define BOOST_INTRUSIVE_DETAIL_UNCAST_HPP |
| 15 | |
| 16 | #ifndef BOOST_CONFIG_HPP |
| 17 | # include <boost/config.hpp> |
| 18 | #endif |
| 19 | |
| 20 | #if defined(BOOST_HAS_PRAGMA_ONCE) |
| 21 | # pragma once |
| 22 | #endif |
| 23 | |
| 24 | #include <boost/intrusive/detail/config_begin.hpp> |
| 25 | #include <boost/intrusive/pointer_traits.hpp> |
| 26 | #include <boost/intrusive/detail/mpl.hpp> |
| 27 | |
| 28 | namespace boost { |
| 29 | namespace intrusive { |
| 30 | namespace detail { |
| 31 | |
| 32 | template<class ConstNodePtr> |
| 33 | struct uncast_types |
| 34 | { |
| 35 | typedef typename pointer_traits<ConstNodePtr>::element_type element_type; |
| 36 | typedef typename remove_const<element_type>::type non_const_type; |
| 37 | typedef typename pointer_traits<ConstNodePtr>:: |
| 38 | template rebind_pointer<non_const_type>::type non_const_pointer; |
| 39 | typedef pointer_traits<non_const_pointer> non_const_traits; |
| 40 | }; |
| 41 | |
| 42 | template<class ConstNodePtr> |
| 43 | static typename uncast_types<ConstNodePtr>::non_const_pointer |
| 44 | uncast(const ConstNodePtr & ptr) |
| 45 | { |
| 46 | return uncast_types<ConstNodePtr>::non_const_traits::const_cast_from(ptr); |
| 47 | } |
| 48 | |
| 49 | } //namespace detail { |
| 50 | } //namespace intrusive |
| 51 | } //namespace boost |
| 52 | |
| 53 | #include <boost/intrusive/detail/config_end.hpp> |
| 54 | |
| 55 | #endif //BOOST_INTRUSIVE_DETAIL_UTILITIES_HPP |
| 56 |