1 // <unordered_map> -*- C++ -*- 2 3 // Copyright (C) 2007-2024 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 include/unordered_map 26 * This is a Standard C++ Library header. 27 */ 28 29 #ifndef _GLIBCXX_UNORDERED_MAP 30 #define _GLIBCXX_UNORDERED_MAP 1 31 32 #pragma GCC system_header 33 34 #include <bits/requires_hosted.h> // container 35 36 #if __cplusplus < 201103L 37 # include <bits/c++0x_warning.h> 38 #else 39 40 #include <initializer_list> 41 #include <bits/unordered_map.h> 42 #include <bits/range_access.h> 43 #include <bits/erase_if.h> 44 45 #ifdef _GLIBCXX_DEBUG 46 # include <debug/unordered_map> 47 #endif 48 49 #define __glibcxx_want_allocator_traits_is_always_equal 50 #define __glibcxx_want_erase_if 51 #define __glibcxx_want_generic_unordered_lookup 52 #define __glibcxx_want_node_extract 53 #define __glibcxx_want_nonmember_container_access 54 #define __glibcxx_want_unordered_map_try_emplace 55 #define __glibcxx_want_tuple_like 56 #include <bits/version.h> 57 58 #if __cplusplus >= 201703L 59 #include <bits/memory_resource.h> 60 namespace std _GLIBCXX_VISIBILITY(default) 61 { 62 _GLIBCXX_BEGIN_NAMESPACE_VERSION 63 namespace pmr 64 { 65 template<typename _Key, typename _Tp, typename _Hash = std::hash<_Key>, 66 typename _Pred = std::equal_to<_Key>> 67 using unordered_map 68 = std::unordered_map<_Key, _Tp, _Hash, _Pred, 69 polymorphic_allocator<pair<const _Key, _Tp>>>; 70 template<typename _Key, typename _Tp, typename _Hash = std::hash<_Key>, 71 typename _Pred = std::equal_to<_Key>> 72 using unordered_multimap 73 = std::unordered_multimap<_Key, _Tp, _Hash, _Pred, 74 polymorphic_allocator<pair<const _Key, _Tp>>>; 75 } // namespace pmr 76 _GLIBCXX_END_NAMESPACE_VERSION 77 } // namespace std 78 #endif // C++17 79 80 #if __cplusplus > 201703L 81 namespace std _GLIBCXX_VISIBILITY(default) 82 { 83 _GLIBCXX_BEGIN_NAMESPACE_VERSION 84 template<typename _Key, typename _Tp, typename _Hash, typename _CPred, 85 typename _Alloc, typename _Predicate> 86 inline typename unordered_map<_Key, _Tp, _Hash, _CPred, _Alloc>::size_type 87 erase_if(unordered_map<_Key, _Tp, _Hash, _CPred, _Alloc>& __cont, 88 _Predicate __pred) 89 { 90 _GLIBCXX_STD_C::unordered_map<_Key, _Tp, _Hash, _CPred, _Alloc>& 91 __ucont = __cont; 92 return __detail::__erase_nodes_if(__cont, __ucont, __pred); 93 } 94 95 template<typename _Key, typename _Tp, typename _Hash, typename _CPred, 96 typename _Alloc, typename _Predicate> 97 inline typename unordered_multimap<_Key, _Tp, _Hash, _CPred, _Alloc>:: 98 size_type 99 erase_if(unordered_multimap<_Key, _Tp, _Hash, _CPred, _Alloc>& __cont, 100 _Predicate __pred) 101 { 102 _GLIBCXX_STD_C::unordered_multimap<_Key, _Tp, _Hash, _CPred, _Alloc>& 103 __ucont = __cont; 104 return __detail::__erase_nodes_if(__cont, __ucont, __pred); 105 } 106 _GLIBCXX_END_NAMESPACE_VERSION 107 } // namespace std 108 #endif // C++20 109 110 #endif // C++11 111 112 #endif // _GLIBCXX_UNORDERED_MAP 113