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The C and C++ Include Header Files
cat -n /usr/include/c++/15/experimental/unordered_set
1 // <experimental/unordered_set> -*- C++ -*- 2 3 // Copyright (C) 2015-2025 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 #ifdef _GLIBCXX_SYSHDR 34 #pragma GCC system_header 35 #endif 36 37 #include <bits/requires_hosted.h> // experimental is currently omitted 38 39 #if __cplusplus >= 201402L 40 41 #include <unordered_set> 42 #include <bits/erase_if.h> 43 #include <experimental/memory_resource> 44 45 namespace std _GLIBCXX_VISIBILITY(default) 46 { 47 _GLIBCXX_BEGIN_NAMESPACE_VERSION 48 49 namespace experimental 50 { 51 inline namespace fundamentals_v2 52 { 53 template<typename _Key, typename _Hash, typename _CPred, typename _Alloc, 54 typename _Predicate> 55 inline void 56 erase_if(unordered_set<_Key, _Hash, _CPred, _Alloc>& __cont, 57 _Predicate __pred) 58 { 59 _GLIBCXX_STD_C::unordered_set<_Key, _Hash, _CPred, _Alloc>& 60 __ucont = __cont; 61 std::__detail::__erase_nodes_if(__cont, __ucont, __pred); 62 } 63 64 template<typename _Key, typename _Hash, typename _CPred, typename _Alloc, 65 typename _Predicate> 66 inline void 67 erase_if(unordered_multiset<_Key, _Hash, _CPred, _Alloc>& __cont, 68 _Predicate __pred) 69 { 70 _GLIBCXX_STD_C::unordered_multiset<_Key, _Hash, _CPred, _Alloc>& 71 __ucont = __cont; 72 std::__detail::__erase_nodes_if(__cont, __ucont, __pred); 73 } 74 75 namespace pmr { 76 template<typename _Key, typename _Hash = hash<_Key>, 77 typename _Pred = equal_to<_Key>> 78 using unordered_set 79 = std::unordered_set<_Key, _Hash, _Pred, polymorphic_allocator<_Key>>; 80 81 template<typename _Key, typename _Hash = hash<_Key>, 82 typename _Pred = equal_to<_Key>> 83 using unordered_multiset 84 = std::unordered_multiset<_Key, _Hash, _Pred, 85 polymorphic_allocator<_Key>>; 86 } // namespace pmr 87 88 } // namespace fundamentals_v2 89 } // namespace experimental 90 91 _GLIBCXX_END_NAMESPACE_VERSION 92 } // namespace std 93 94 #endif // C++14 95 96 #endif // _GLIBCXX_EXPERIMENTAL_UNORDERED_SET
