1// <experimental/unordered_set> -*- C++ -*-
2
3// Copyright (C) 2015-2022 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
7// terms of the GNU General Public License as published by the
8// Free Software Foundation; either version 3, or (at your option)
9// any later version.
10
11// This library is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14// GNU 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/** @file experimental/unordered_set
26 *  This is a TS C++ Library header.
27 *  @ingroup libfund-ts
28 */
29
30#ifndef _GLIBCXX_EXPERIMENTAL_UNORDERED_SET
31#define _GLIBCXX_EXPERIMENTAL_UNORDERED_SET 1
32
33#pragma GCC system_header
34
35#if __cplusplus >= 201402L
36
37#include <unordered_set>
38#include <bits/erase_if.h>
39#include <experimental/memory_resource>
40
41namespace std _GLIBCXX_VISIBILITY(default)
42{
43_GLIBCXX_BEGIN_NAMESPACE_VERSION
44
45namespace experimental
46{
47inline namespace fundamentals_v2
48{
49  template<typename _Key, typename _Hash, typename _CPred, typename _Alloc,
50	   typename _Predicate>
51    inline void
52    erase_if(unordered_set<_Key, _Hash, _CPred, _Alloc>& __cont,
53	     _Predicate __pred)
54    {
55      _GLIBCXX_STD_C::unordered_set<_Key, _Hash, _CPred, _Alloc>&
56	__ucont = __cont;
57      std::__detail::__erase_nodes_if(__cont, __ucont, __pred);
58    }
59
60  template<typename _Key, typename _Hash, typename _CPred, typename _Alloc,
61	   typename _Predicate>
62    inline void
63    erase_if(unordered_multiset<_Key, _Hash, _CPred, _Alloc>& __cont,
64	     _Predicate __pred)
65    {
66      _GLIBCXX_STD_C::unordered_multiset<_Key, _Hash, _CPred, _Alloc>&
67	__ucont = __cont;
68      std::__detail::__erase_nodes_if(__cont, __ucont, __pred);
69    }
70
71  namespace pmr {
72    template<typename _Key, typename _Hash = hash<_Key>,
73	     typename _Pred = equal_to<_Key>>
74      using unordered_set
75      = std::unordered_set<_Key, _Hash, _Pred, polymorphic_allocator<_Key>>;
76
77    template<typename _Key, typename _Hash = hash<_Key>,
78	     typename _Pred = equal_to<_Key>>
79      using unordered_multiset
80      = std::unordered_multiset<_Key, _Hash, _Pred,
81				polymorphic_allocator<_Key>>;
82  } // namespace pmr
83
84} // namespace fundamentals_v2
85} // namespace experimental
86
87_GLIBCXX_END_NAMESPACE_VERSION
88} // namespace std
89
90#endif // C++14
91
92#endif // _GLIBCXX_EXPERIMENTAL_UNORDERED_SET
93