libstdc++
entry_metadata_base.hpp
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1 // -*- C++ -*-
2 
3 // Copyright (C) 2005-2014 Free Software Foundation, Inc.
4 //
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the terms
7 // of the GNU General Public License as published by the Free Software
8 // Foundation; either version 3, or (at your option) any later
9 // version.
10 
11 // This library is distributed in the hope that it will be useful, but
12 // WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // General Public License for more details.
15 
16 // Under Section 7 of GPL version 3, you are granted additional
17 // permissions described in the GCC Runtime Library Exception, version
18 // 3.1, as published by the Free Software Foundation.
19 
20 // You should have received a copy of the GNU General Public License and
21 // a copy of the GCC Runtime Library Exception along with this program;
22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23 // <http://www.gnu.org/licenses/>.
24 
25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
26 
27 // Permission to use, copy, modify, sell, and distribute this software
28 // is hereby granted without fee, provided that the above copyright
29 // notice appears in all copies, and that both that copyright notice
30 // and this permission notice appear in supporting documentation. None
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34 // warranty.
35 
36 /**
37  * @file list_update_map_/entry_metadata_base.hpp
38  * Contains an implementation for a list update map.
39  */
40 
41 #ifndef PB_DS_LU_MAP_ENTRY_METADATA_BASE_HPP
42 #define PB_DS_LU_MAP_ENTRY_METADATA_BASE_HPP
43 
44 namespace __gnu_pbds
45 {
46  namespace detail
47  {
48  template<typename Metadata>
49  struct lu_map_entry_metadata_base
50  {
51  Metadata m_update_metadata;
52  };
53 
54  template<>
55  struct lu_map_entry_metadata_base<null_type>
56  { };
57  } // namespace detail
58 } // namespace __gnu_pbds
59 
60 #endif