paludis  Version 2.6.0
remove_shared_ptr.hh
1 /* vim: set sw=4 sts=4 et foldmethod=syntax : */
2 
3 /*
4  * Copyright (c) 2007, 2008, 2009 Ciaran McCreesh
5  *
6  * This file is part of the Paludis package manager. Paludis is free software;
7  * you can redistribute it and/or modify it under the terms of the GNU General
8  * Public License version 2, as published by the Free Software Foundation.
9  *
10  * Paludis is distributed in the hope that it will be useful, but WITHOUT ANY
11  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12  * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
13  * details.
14  *
15  * You should have received a copy of the GNU General Public License along with
16  * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
17  * Place, Suite 330, Boston, MA 02111-1307 USA
18  */
19 
20 #ifndef PALUDIS_GUARD_PALUDIS_UTIL_REMOVE_SHARED_PTR_HH
21 #define PALUDIS_GUARD_PALUDIS_UTIL_REMOVE_SHARED_PTR_HH 1
22 
23 #include <memory>
24 
25 namespace paludis
26 {
27  /**
28  * Like std::remove_pointer for std::shared_ptr.
29  *
30  * \ingroup g_utils
31  */
32  template <typename T_>
34  {
35  /// T_ with the std::shared_ptr removed.
36  typedef T_ Type;
37  };
38 
39  /**
40  * Like std::remove_pointer for std::shared_ptr.
41  *
42  * \ingroup g_utils
43  */
44  template <typename T_>
45  struct RemoveSharedPtr<std::shared_ptr<T_> >
46  {
47  /// T_ with the std::shared_ptr removed.
48  typedef T_ Type;
49  };
50 
51  /**
52  * Like std::remove_pointer for std::shared_ptr.
53  *
54  * \ingroup g_utils
55  */
56  template <typename T_>
57  struct RemoveSharedPtr<std::shared_ptr<const T_> >
58  {
59  /// T_ with the std::shared_ptr removed.
60  typedef const T_ Type;
61  };
62 
63  /**
64  * Like std::remove_pointer for std::shared_ptr.
65  *
66  * \ingroup g_utils
67  */
68  template <typename T_>
69  struct RemoveSharedPtr<const T_>
70  {
71  /// T_ with the std::shared_ptr removed.
72  typedef const typename RemoveSharedPtr<T_>::Type Type;
73  };
74 
75  /**
76  * Like std::remove_pointer for std::shared_ptr.
77  *
78  * \ingroup g_utils
79  */
80  template <typename T_>
81  struct RemoveSharedPtr<T_ &>
82  {
83  /// T_ with the std::shared_ptr removed.
84  typedef typename RemoveSharedPtr<T_>::Type Type;
85  };
86 }
87 
88 #endif
Definition: about_metadata-fwd.hh:23
T_ Type
T_ with the std::shared_ptr removed.
Definition: remove_shared_ptr.hh:36
STL namespace.
RemoveSharedPtr< T_ >::Type Type
T_ with the std::shared_ptr removed.
Definition: remove_shared_ptr.hh:84
const RemoveSharedPtr< T_ >::Type Type
T_ with the std::shared_ptr removed.
Definition: remove_shared_ptr.hh:72
Definition: remove_shared_ptr.hh:33
T_ Type
T_ with the std::shared_ptr removed.
Definition: remove_shared_ptr.hh:48
const T_ Type
T_ with the std::shared_ptr removed.
Definition: remove_shared_ptr.hh:60