libstdc++
entry_metadata_base.hpp
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1// -*- C++ -*-
2
3// Copyright (C) 2005-2022 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.
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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
44namespace __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
GNU extensions for policy-based data structures for public use.