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[thirdparty/gcc.git] / libstdc++-v3 / include / std / unordered_map

// <unordered_map> -*- C++ -*-

// Copyright (C) 2007-2025 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 3, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// 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.

// 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_map
 *  This is a Standard C++ Library header.
 */

#ifndef _GLIBCXX_UNORDERED_MAP
#define _GLIBCXX_UNORDERED_MAP 1

#ifdef _GLIBCXX_SYSHDR
#pragma GCC system_header
#endif

#include <bits/requires_hosted.h> // container

#if __cplusplus < 201103L
# include <bits/c++0x_warning.h>
#else

#include <initializer_list>
#include <bits/unordered_map.h>
#include <bits/range_access.h>
#include <bits/erase_if.h>

#ifdef _GLIBCXX_DEBUG
# include <debug/unordered_map>
#endif

#define __glibcxx_want_allocator_traits_is_always_equal
#define __glibcxx_want_containers_ranges
#define __glibcxx_want_erase_if
#define __glibcxx_want_generic_unordered_lookup
#define __glibcxx_want_node_extract
#define __glibcxx_want_nonmember_container_access
#define __glibcxx_want_unordered_map_try_emplace
#define __glibcxx_want_tuple_like
#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 _Tp, typename _Hash = std::hash<_Key>,
	     typename _Pred = std::equal_to<_Key>>
      using unordered_map
	= std::unordered_map<_Key, _Tp, _Hash, _Pred,
			     polymorphic_allocator<pair<const _Key, _Tp>>>;
    template<typename _Key, typename _Tp, typename _Hash = std::hash<_Key>,
	     typename _Pred = std::equal_to<_Key>>
      using unordered_multimap
	= std::unordered_multimap<_Key, _Tp, _Hash, _Pred,
				  polymorphic_allocator<pair<const _Key, _Tp>>>;
  } // 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 _Tp, typename _Hash, typename _CPred,
	   typename _Alloc, typename _Predicate>
    inline typename unordered_map<_Key, _Tp, _Hash, _CPred, _Alloc>::size_type
    erase_if(unordered_map<_Key, _Tp, _Hash, _CPred, _Alloc>& __cont,
	     _Predicate __pred)
    {
      _GLIBCXX_STD_C::unordered_map<_Key, _Tp, _Hash, _CPred, _Alloc>&
	__ucont = __cont;
      return __detail::__erase_nodes_if(__cont, __ucont, __pred);
    }

  template<typename _Key, typename _Tp, typename _Hash, typename _CPred,
	   typename _Alloc, typename _Predicate>
    inline typename unordered_multimap<_Key, _Tp, _Hash, _CPred, _Alloc>::
		    size_type
    erase_if(unordered_multimap<_Key, _Tp, _Hash, _CPred, _Alloc>& __cont,
	     _Predicate __pred)
    {
      _GLIBCXX_STD_C::unordered_multimap<_Key, _Tp, _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_MAP