xref: /netbsd-src/external/gpl3/gcc/dist/libstdc++-v3/include/std/unordered_map (revision b1e838363e3c6fc78a55519254d99869742dd33c)
14fee23f9Smrg// <unordered_map> -*- C++ -*-
24fee23f9Smrg
3*b1e83836Smrg// Copyright (C) 2007-2022 Free Software Foundation, Inc.
44fee23f9Smrg//
54fee23f9Smrg// This file is part of the GNU ISO C++ Library.  This library is free
64fee23f9Smrg// software; you can redistribute it and/or modify it under the
74fee23f9Smrg// terms of the GNU General Public License as published by the
84fee23f9Smrg// Free Software Foundation; either version 3, or (at your option)
94fee23f9Smrg// any later version.
104fee23f9Smrg
114fee23f9Smrg// This library is distributed in the hope that it will be useful,
124fee23f9Smrg// but WITHOUT ANY WARRANTY; without even the implied warranty of
134fee23f9Smrg// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
144fee23f9Smrg// GNU General Public License for more details.
154fee23f9Smrg
164fee23f9Smrg// Under Section 7 of GPL version 3, you are granted additional
174fee23f9Smrg// permissions described in the GCC Runtime Library Exception, version
184fee23f9Smrg// 3.1, as published by the Free Software Foundation.
194fee23f9Smrg
204fee23f9Smrg// You should have received a copy of the GNU General Public License and
214fee23f9Smrg// a copy of the GCC Runtime Library Exception along with this program;
224fee23f9Smrg// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
234fee23f9Smrg// <http://www.gnu.org/licenses/>.
244fee23f9Smrg
254fee23f9Smrg/** @file include/unordered_map
264fee23f9Smrg *  This is a Standard C++ Library header.
274fee23f9Smrg */
284fee23f9Smrg
294fee23f9Smrg#ifndef _GLIBCXX_UNORDERED_MAP
304fee23f9Smrg#define _GLIBCXX_UNORDERED_MAP 1
314fee23f9Smrg
324fee23f9Smrg#pragma GCC system_header
334fee23f9Smrg
3448fb7bfaSmrg#if __cplusplus < 201103L
354fee23f9Smrg# include <bits/c++0x_warning.h>
364fee23f9Smrg#else
374fee23f9Smrg
384fee23f9Smrg#include <type_traits>
394fee23f9Smrg#include <initializer_list>
404fee23f9Smrg#include <bits/allocator.h>
414d5abbe8Smrg#include <ext/alloc_traits.h>
424d5abbe8Smrg#include <ext/aligned_buffer.h>
43a3e9eb18Smrg#include <bits/stl_pair.h>
444fee23f9Smrg#include <bits/stl_function.h> // equal_to, _Identity, _Select1st
454fee23f9Smrg#include <bits/functional_hash.h>
464fee23f9Smrg#include <bits/hashtable.h>
474fee23f9Smrg#include <bits/unordered_map.h>
4848fb7bfaSmrg#include <bits/range_access.h>
49181254a7Smrg#include <bits/erase_if.h>
504fee23f9Smrg
514fee23f9Smrg#ifdef _GLIBCXX_DEBUG
524fee23f9Smrg# include <debug/unordered_map>
534fee23f9Smrg#endif
544fee23f9Smrg
55181254a7Smrg#if __cplusplus >= 201703L
56181254a7Smrgnamespace std _GLIBCXX_VISIBILITY(default)
57181254a7Smrg{
58181254a7Smrg_GLIBCXX_BEGIN_NAMESPACE_VERSION
59181254a7Smrg  namespace pmr
60181254a7Smrg  {
61181254a7Smrg    template<typename _Tp> class polymorphic_allocator;
62181254a7Smrg    template<typename _Key, typename _Tp, typename _Hash = std::hash<_Key>,
63181254a7Smrg	     typename _Pred = std::equal_to<_Key>>
64181254a7Smrg      using unordered_map
65181254a7Smrg	= std::unordered_map<_Key, _Tp, _Hash, _Pred,
66181254a7Smrg			     polymorphic_allocator<pair<const _Key, _Tp>>>;
67181254a7Smrg    template<typename _Key, typename _Tp, typename _Hash = std::hash<_Key>,
68181254a7Smrg	     typename _Pred = std::equal_to<_Key>>
69181254a7Smrg      using unordered_multimap
70181254a7Smrg	= std::unordered_multimap<_Key, _Tp, _Hash, _Pred,
71181254a7Smrg				  polymorphic_allocator<pair<const _Key, _Tp>>>;
72181254a7Smrg  } // namespace pmr
73181254a7Smrg_GLIBCXX_END_NAMESPACE_VERSION
74181254a7Smrg} // namespace std
75181254a7Smrg#endif // C++17
76181254a7Smrg
77181254a7Smrg#if __cplusplus > 201703L
78181254a7Smrgnamespace std _GLIBCXX_VISIBILITY(default)
79181254a7Smrg{
80181254a7Smrg_GLIBCXX_BEGIN_NAMESPACE_VERSION
81181254a7Smrg  template<typename _Key, typename _Tp, typename _Hash, typename _CPred,
82181254a7Smrg	   typename _Alloc, typename _Predicate>
83181254a7Smrg    inline typename unordered_map<_Key, _Tp, _Hash, _CPred, _Alloc>::size_type
84181254a7Smrg    erase_if(unordered_map<_Key, _Tp, _Hash, _CPred, _Alloc>& __cont,
85181254a7Smrg	     _Predicate __pred)
86*b1e83836Smrg    {
87*b1e83836Smrg      _GLIBCXX_STD_C::unordered_map<_Key, _Tp, _Hash, _CPred, _Alloc>&
88*b1e83836Smrg	__ucont = __cont;
89*b1e83836Smrg      return __detail::__erase_nodes_if(__cont, __ucont, __pred);
90*b1e83836Smrg    }
91181254a7Smrg
92181254a7Smrg  template<typename _Key, typename _Tp, typename _Hash, typename _CPred,
93181254a7Smrg	   typename _Alloc, typename _Predicate>
94181254a7Smrg    inline typename unordered_multimap<_Key, _Tp, _Hash, _CPred, _Alloc>::
95181254a7Smrg		    size_type
96181254a7Smrg    erase_if(unordered_multimap<_Key, _Tp, _Hash, _CPred, _Alloc>& __cont,
97181254a7Smrg	     _Predicate __pred)
98*b1e83836Smrg    {
99*b1e83836Smrg      _GLIBCXX_STD_C::unordered_multimap<_Key, _Tp, _Hash, _CPred, _Alloc>&
100*b1e83836Smrg	__ucont = __cont;
101*b1e83836Smrg      return __detail::__erase_nodes_if(__cont, __ucont, __pred);
102*b1e83836Smrg    }
103181254a7Smrg_GLIBCXX_END_NAMESPACE_VERSION
104181254a7Smrg} // namespace std
105181254a7Smrg#endif // C++20
106181254a7Smrg
10748fb7bfaSmrg#endif // C++11
1084fee23f9Smrg
1094fee23f9Smrg#endif // _GLIBCXX_UNORDERED_MAP
110