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
uncast(const ConstNodePtr & ptr)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