// <unordered_set> -*- C++ -*-
-// Copyright (C) 2007, 2008 Free Software Foundation, Inc.
+// Copyright (C) 2007-2024 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
-// Free Software Foundation; either version 2, or (at your option)
+// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
-// You should have received a copy of the GNU General Public License
-// along with this library; see the file COPYING. If not, write to
-// the Free Software Foundation, 51 Franklin Street, Fifth Floor,
-// Boston, MA 02110-1301, USA.
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
-// As a special exception, you may use this file as part of a free software
-// library without restriction. Specifically, if other files instantiate
-// templates or use macros or inline functions from this file, or you compile
-// this file and link it with other files to produce an executable, this
-// file does not by itself cause the resulting executable to be covered by
-// the GNU General Public License. This exception does not however
-// invalidate any other reasons why the executable file might be covered by
-// the GNU General Public License.
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+// <http://www.gnu.org/licenses/>.
/** @file include/unordered_set
* This is a Standard C++ Library header.
#pragma GCC system_header
-#ifndef __GXX_EXPERIMENTAL_CXX0X__
-# include <c++0x_warning.h>
-#else
-
-#if defined(_GLIBCXX_INCLUDE_AS_TR1)
-# error C++0x header cannot be included from TR1 header
-#endif
+#include <bits/requires_hosted.h> // containers
-#include <utility>
-#include <type_traits>
-#include <bits/stl_algobase.h>
-#include <bits/allocator.h>
-#include <bits/stl_function.h> // equal_to, _Identity, _Select1st
-#include <bits/stringfwd.h>
-#include <bits/functional_hash.h>
-#include <bits/hashtable.h>
-
-#if defined(_GLIBCXX_INCLUDE_AS_CXX0X)
-# include <tr1_impl/unordered_set>
+#if __cplusplus < 201103L
+# include <bits/c++0x_warning.h>
#else
-# define _GLIBCXX_INCLUDE_AS_CXX0X
-#if defined(_GLIBCXX_DEBUG) || defined(_GLIBCXX_PARALLEL)
-# define _GLIBCXX_BEGIN_NAMESPACE_TR1 namespace _GLIBCXX_STD_D {
-# define _GLIBCXX_END_NAMESPACE_TR1 }
-# define _GLIBCXX_TR1 _GLIBCXX_STD_D
-#else
-# define _GLIBCXX_BEGIN_NAMESPACE_TR1
-# define _GLIBCXX_END_NAMESPACE_TR1
-# define _GLIBCXX_TR1
-#endif
-# include <tr1_impl/unordered_set>
-# undef _GLIBCXX_TR1
-# undef _GLIBCXX_END_NAMESPACE_TR1
-# undef _GLIBCXX_BEGIN_NAMESPACE_TR1
-# undef _GLIBCXX_INCLUDE_AS_CXX0X
-#endif
+
+#include <initializer_list>
+#include <bits/unordered_set.h>
+#include <bits/range_access.h>
+#include <bits/erase_if.h>
#ifdef _GLIBCXX_DEBUG
# include <debug/unordered_set>
#endif
-#endif // __GXX_EXPERIMENTAL_CXX0X__
+#define __glibcxx_want_erase_if
+#define __glibcxx_want_generic_unordered_lookup
+#define __glibcxx_want_node_extract
+#define __glibcxx_want_nonmember_container_access
+#include <bits/version.h>
+
+#if __cplusplus >= 201703L
+#include <bits/memory_resource.h>
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+ namespace pmr
+ {
+ template<typename _Key, typename _Hash = std::hash<_Key>,
+ typename _Pred = std::equal_to<_Key>>
+ using unordered_set
+ = std::unordered_set<_Key, _Hash, _Pred,
+ polymorphic_allocator<_Key>>;
+ template<typename _Key, typename _Hash = std::hash<_Key>,
+ typename _Pred = std::equal_to<_Key>>
+ using unordered_multiset
+ = std::unordered_multiset<_Key, _Hash, _Pred,
+ polymorphic_allocator<_Key>>;
+ } // namespace pmr
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace std
+#endif // C++17
+
+#if __cplusplus > 201703L
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+ template<typename _Key, typename _Hash, typename _CPred, typename _Alloc,
+ typename _Predicate>
+ inline typename unordered_set<_Key, _Hash, _CPred, _Alloc>::size_type
+ erase_if(unordered_set<_Key, _Hash, _CPred, _Alloc>& __cont,
+ _Predicate __pred)
+ {
+ _GLIBCXX_STD_C::unordered_set<_Key, _Hash, _CPred, _Alloc>&
+ __ucont = __cont;
+ return __detail::__erase_nodes_if(__cont, __ucont, __pred);
+ }
+
+ template<typename _Key, typename _Hash, typename _CPred, typename _Alloc,
+ typename _Predicate>
+ inline typename unordered_multiset<_Key, _Hash, _CPred, _Alloc>::size_type
+ erase_if(unordered_multiset<_Key, _Hash, _CPred, _Alloc>& __cont,
+ _Predicate __pred)
+ {
+ _GLIBCXX_STD_C::unordered_multiset<_Key, _Hash, _CPred, _Alloc>&
+ __ucont = __cont;
+ return __detail::__erase_nodes_if(__cont, __ucont, __pred);
+ }
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace std
+#endif // C++20
+
+#endif // C++11
#endif // _GLIBCXX_UNORDERED_SET
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