1 #ifndef BOOST_POINTER_TO_OTHER_HPP_INCLUDED
2 #define BOOST_POINTER_TO_OTHER_HPP_INCLUDED
3 
4 //
5 //  pointer_to_other.hpp
6 //
7 //  (C) Copyright Ion Gaztanaga 2005.
8 //  Copyright (c) 2005 Peter Dimov.
9 //
10 //  Distributed under the Boost Software License, Version 1.0.
11 //
12 //  (See accompanying file LICENSE_1_0.txt or copy at
13 //  http://www.boost.org/LICENSE_1_0.txt)
14 //
15 //  See http://www.boost.org/libs/smart_ptr/ for documentation.
16 //
17 
18 namespace boost
19 {
20 
21 // Defines the same pointer type (raw or smart) to another pointee type
22 
23 template<class T, class U>
24 struct pointer_to_other;
25 
26 template<class T, class U,
27          template<class> class Sp>
28 struct pointer_to_other< Sp<T>, U >
29 {
30    typedef Sp<U> type;
31 };
32 
33 template<class T, class T2, class U,
34          template<class, class> class Sp>
35 struct pointer_to_other< Sp<T, T2>, U >
36 {
37    typedef Sp<U, T2> type;
38 };
39 
40 template<class T, class T2, class T3, class U,
41          template<class, class, class> class Sp>
42 struct pointer_to_other< Sp<T, T2, T3>, U >
43 {
44    typedef Sp<U, T2, T3> type;
45 };
46 
47 template<class T, class U>
48 struct pointer_to_other< T*, U >
49 {
50    typedef U* type;
51 };
52 
53 } // namespace boost
54 
55 #endif // #ifndef BOOST_POINTER_TO_OTHER_HPP_INCLUDED
56