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/pointer_to_other.html |
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 | |