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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_SET
#define _LIBCPP_SET
/*
set synopsis
namespace std
{
template <class Key, class Compare = less<Key>,
class Allocator = allocator<Key>>
class set
{
public:
// types:
typedef Key key_type;
typedef key_type value_type;
typedef Compare key_compare;
typedef key_compare value_compare;
typedef Allocator allocator_type;
typedef typename allocator_type::reference reference;
typedef typename allocator_type::const_reference const_reference;
typedef typename allocator_type::size_type size_type;
typedef typename allocator_type::difference_type difference_type;
typedef typename allocator_type::pointer pointer;
typedef typename allocator_type::const_pointer const_pointer;
typedef implementation-defined iterator;
typedef implementation-defined const_iterator;
typedef std::reverse_iterator<iterator> reverse_iterator;
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
typedef unspecified node_type; // C++17
typedef INSERT_RETURN_TYPE<iterator, node_type> insert_return_type; // C++17
// construct/copy/destroy:
set()
noexcept(
is_nothrow_default_constructible<allocator_type>::value &&
is_nothrow_default_constructible<key_compare>::value &&
is_nothrow_copy_constructible<key_compare>::value);
explicit set(const value_compare& comp);
set(const value_compare& comp, const allocator_type& a);
template <class InputIterator>
set(InputIterator first, InputIterator last,
const value_compare& comp = value_compare());
template <class InputIterator>
set(InputIterator first, InputIterator last, const value_compare& comp,
const allocator_type& a);
template<container-compatible-range<value_type> R>
set(from_range_t, R&& rg, const Compare& comp = Compare(), const Allocator& = Allocator()); // C++23
set(const set& s);
set(set&& s)
noexcept(
is_nothrow_move_constructible<allocator_type>::value &&
is_nothrow_move_constructible<key_compare>::value);
explicit set(const allocator_type& a);
set(const set& s, const allocator_type& a);
set(set&& s, const allocator_type& a);
set(initializer_list<value_type> il, const value_compare& comp = value_compare());
set(initializer_list<value_type> il, const value_compare& comp,
const allocator_type& a);
template <class InputIterator>
set(InputIterator first, InputIterator last, const allocator_type& a)
: set(first, last, Compare(), a) {} // C++14
template<container-compatible-range<value_type> R>
set(from_range_t, R&& rg, const Allocator& a))
: set(from_range, std::forward<R>(rg), Compare(), a) { } // C++23
set(initializer_list<value_type> il, const allocator_type& a)
: set(il, Compare(), a) {} // C++14
~set();
set& operator=(const set& s);
set& operator=(set&& s)
noexcept(
allocator_type::propagate_on_container_move_assignment::value &&
is_nothrow_move_assignable<allocator_type>::value &&
is_nothrow_move_assignable<key_compare>::value);
set& operator=(initializer_list<value_type> il);
// iterators:
iterator begin() noexcept;
const_iterator begin() const noexcept;
iterator end() noexcept;
const_iterator end() const noexcept;
reverse_iterator rbegin() noexcept;
const_reverse_iterator rbegin() const noexcept;
reverse_iterator rend() noexcept;
const_reverse_iterator rend() const noexcept;
const_iterator cbegin() const noexcept;
const_iterator cend() const noexcept;
const_reverse_iterator crbegin() const noexcept;
const_reverse_iterator crend() const noexcept;
// capacity:
bool empty() const noexcept;
size_type size() const noexcept;
size_type max_size() const noexcept;
// modifiers:
template <class... Args>
pair<iterator, bool> emplace(Args&&... args);
template <class... Args>
iterator emplace_hint(const_iterator position, Args&&... args);
pair<iterator,bool> insert(const value_type& v);
pair<iterator,bool> insert(value_type&& v);
iterator insert(const_iterator position, const value_type& v);
iterator insert(const_iterator position, value_type&& v);
template <class InputIterator>
void insert(InputIterator first, InputIterator last);
template<container-compatible-range<value_type> R>
void insert_range(R&& rg); // C++23
void insert(initializer_list<value_type> il);
node_type extract(const_iterator position); // C++17
node_type extract(const key_type& x); // C++17
insert_return_type insert(node_type&& nh); // C++17
iterator insert(const_iterator hint, node_type&& nh); // C++17
iterator erase(const_iterator position);
iterator erase(iterator position); // C++14
size_type erase(const key_type& k);
iterator erase(const_iterator first, const_iterator last);
void clear() noexcept;
template<class C2>
void merge(set<Key, C2, Allocator>& source); // C++17
template<class C2>
void merge(set<Key, C2, Allocator>&& source); // C++17
template<class C2>
void merge(multiset<Key, C2, Allocator>& source); // C++17
template<class C2>
void merge(multiset<Key, C2, Allocator>&& source); // C++17
void swap(set& s)
noexcept(
__is_nothrow_swappable<key_compare>::value &&
(!allocator_type::propagate_on_container_swap::value ||
__is_nothrow_swappable<allocator_type>::value));
// observers:
allocator_type get_allocator() const noexcept;
key_compare key_comp() const;
value_compare value_comp() const;
// set operations:
iterator find(const key_type& k);
const_iterator find(const key_type& k) const;
template<typename K>
iterator find(const K& x);
template<typename K>
const_iterator find(const K& x) const; // C++14
template<typename K>
size_type count(const K& x) const; // C++14
size_type count(const key_type& k) const;
bool contains(const key_type& x) const; // C++20
template<class K> bool contains(const K& x) const; // C++20
iterator lower_bound(const key_type& k);
const_iterator lower_bound(const key_type& k) const;
template<typename K>
iterator lower_bound(const K& x); // C++14
template<typename K>
const_iterator lower_bound(const K& x) const; // C++14
iterator upper_bound(const key_type& k);
const_iterator upper_bound(const key_type& k) const;
template<typename K>
iterator upper_bound(const K& x); // C++14
template<typename K>
const_iterator upper_bound(const K& x) const; // C++14
pair<iterator,iterator> equal_range(const key_type& k);
pair<const_iterator,const_iterator> equal_range(const key_type& k) const;
template<typename K>
pair<iterator,iterator> equal_range(const K& x); // C++14
template<typename K>
pair<const_iterator,const_iterator> equal_range(const K& x) const; // C++14
};
template <class InputIterator,
class Compare = less<typename iterator_traits<InputIterator>::value_type>,
class Allocator = allocator<typename iterator_traits<InputIterator>::value_type>>
set(InputIterator, InputIterator,
Compare = Compare(), Allocator = Allocator())
-> set<typename iterator_traits<InputIterator>::value_type, Compare, Allocator>; // C++17
template<ranges::input_range R, class Compare = less<ranges::range_value_t<R>>,
class Allocator = allocator<ranges::range_value_t<R>>>
set(from_range_t, R&&, Compare = Compare(), Allocator = Allocator())
-> set<ranges::range_value_t<R>, Compare, Allocator>; // C++23
template<class Key, class Compare = less<Key>, class Allocator = allocator<Key>>
set(initializer_list<Key>, Compare = Compare(), Allocator = Allocator())
-> set<Key, Compare, Allocator>; // C++17
template<class InputIterator, class Allocator>
set(InputIterator, InputIterator, Allocator)
-> set<typename iterator_traits<InputIterator>::value_type,
less<typename iterator_traits<InputIterator>::value_type>, Allocator>; // C++17
template<ranges::input_range R, class Allocator>
set(from_range_t, R&&, Allocator)
-> set<ranges::range_value_t<R>, less<ranges::range_value_t<R>>, Allocator>; // C++23
template<class Key, class Allocator>
set(initializer_list<Key>, Allocator) -> set<Key, less<Key>, Allocator>; // C++17
template <class Key, class Compare, class Allocator>
bool
operator==(const set<Key, Compare, Allocator>& x,
const set<Key, Compare, Allocator>& y);
template <class Key, class Compare, class Allocator>
bool
operator< (const set<Key, Compare, Allocator>& x,
const set<Key, Compare, Allocator>& y); // removed in C++20
template <class Key, class Compare, class Allocator>
bool
operator!=(const set<Key, Compare, Allocator>& x,
const set<Key, Compare, Allocator>& y); // removed in C++20
template <class Key, class Compare, class Allocator>
bool
operator> (const set<Key, Compare, Allocator>& x,
const set<Key, Compare, Allocator>& y); // removed in C++20
template <class Key, class Compare, class Allocator>
bool
operator>=(const set<Key, Compare, Allocator>& x,
const set<Key, Compare, Allocator>& y); // removed in C++20
template <class Key, class Compare, class Allocator>
bool
operator<=(const set<Key, Compare, Allocator>& x,
const set<Key, Compare, Allocator>& y); // removed in C++20
template<class Key, class Compare, class Allocator>
synth-three-way-result<Key> operator<=>(const set<Key, Compare, Allocator>& x,
const set<Key, Compare, Allocator>& y); // since C++20
// specialized algorithms:
template <class Key, class Compare, class Allocator>
void
swap(set<Key, Compare, Allocator>& x, set<Key, Compare, Allocator>& y)
noexcept(noexcept(x.swap(y)));
template <class Key, class Compare, class Allocator, class Predicate>
typename set<Key, Compare, Allocator>::size_type
erase_if(set<Key, Compare, Allocator>& c, Predicate pred); // C++20
template <class Key, class Compare = less<Key>,
class Allocator = allocator<Key>>
class multiset
{
public:
// types:
typedef Key key_type;
typedef key_type value_type;
typedef Compare key_compare;
typedef key_compare value_compare;
typedef Allocator allocator_type;
typedef typename allocator_type::reference reference;
typedef typename allocator_type::const_reference const_reference;
typedef typename allocator_type::size_type size_type;
typedef typename allocator_type::difference_type difference_type;
typedef typename allocator_type::pointer pointer;
typedef typename allocator_type::const_pointer const_pointer;
typedef implementation-defined iterator;
typedef implementation-defined const_iterator;
typedef std::reverse_iterator<iterator> reverse_iterator;
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
typedef unspecified node_type; // C++17
// construct/copy/destroy:
multiset()
noexcept(
is_nothrow_default_constructible<allocator_type>::value &&
is_nothrow_default_constructible<key_compare>::value &&
is_nothrow_copy_constructible<key_compare>::value);
explicit multiset(const value_compare& comp);
multiset(const value_compare& comp, const allocator_type& a);
template <class InputIterator>
multiset(InputIterator first, InputIterator last,
const value_compare& comp = value_compare());
template <class InputIterator>
multiset(InputIterator first, InputIterator last,
const value_compare& comp, const allocator_type& a);
template<container-compatible-range<value_type> R>
multiset(from_range_t, R&& rg,
const Compare& comp = Compare(), const Allocator& = Allocator()); // C++23
multiset(const multiset& s);
multiset(multiset&& s)
noexcept(
is_nothrow_move_constructible<allocator_type>::value &&
is_nothrow_move_constructible<key_compare>::value);
explicit multiset(const allocator_type& a);
multiset(const multiset& s, const allocator_type& a);
multiset(multiset&& s, const allocator_type& a);
multiset(initializer_list<value_type> il, const value_compare& comp = value_compare());
multiset(initializer_list<value_type> il, const value_compare& comp,
const allocator_type& a);
template <class InputIterator>
multiset(InputIterator first, InputIterator last, const allocator_type& a)
: set(first, last, Compare(), a) {} // C++14
template<container-compatible-range<value_type> R>
multiset(from_range_t, R&& rg, const Allocator& a))
: multiset(from_range, std::forward<R>(rg), Compare(), a) { } // C++23
multiset(initializer_list<value_type> il, const allocator_type& a)
: set(il, Compare(), a) {} // C++14
~multiset();
multiset& operator=(const multiset& s);
multiset& operator=(multiset&& s)
noexcept(
allocator_type::propagate_on_container_move_assignment::value &&
is_nothrow_move_assignable<allocator_type>::value &&
is_nothrow_move_assignable<key_compare>::value);
multiset& operator=(initializer_list<value_type> il);
// iterators:
iterator begin() noexcept;
const_iterator begin() const noexcept;
iterator end() noexcept;
const_iterator end() const noexcept;
reverse_iterator rbegin() noexcept;
const_reverse_iterator rbegin() const noexcept;
reverse_iterator rend() noexcept;
const_reverse_iterator rend() const noexcept;
const_iterator cbegin() const noexcept;
const_iterator cend() const noexcept;
const_reverse_iterator crbegin() const noexcept;
const_reverse_iterator crend() const noexcept;
// capacity:
bool empty() const noexcept;
size_type size() const noexcept;
size_type max_size() const noexcept;
// modifiers:
template <class... Args>
iterator emplace(Args&&... args);
template <class... Args>
iterator emplace_hint(const_iterator position, Args&&... args);
iterator insert(const value_type& v);
iterator insert(value_type&& v);
iterator insert(const_iterator position, const value_type& v);
iterator insert(const_iterator position, value_type&& v);
template <class InputIterator>
void insert(InputIterator first, InputIterator last);
template<container-compatible-range<value_type> R>
void insert_range(R&& rg); // C++23
void insert(initializer_list<value_type> il);
node_type extract(const_iterator position); // C++17
node_type extract(const key_type& x); // C++17
iterator insert(node_type&& nh); // C++17
iterator insert(const_iterator hint, node_type&& nh); // C++17
iterator erase(const_iterator position);
iterator erase(iterator position); // C++14
size_type erase(const key_type& k);
iterator erase(const_iterator first, const_iterator last);
void clear() noexcept;
template<class C2>
void merge(multiset<Key, C2, Allocator>& source); // C++17
template<class C2>
void merge(multiset<Key, C2, Allocator>&& source); // C++17
template<class C2>
void merge(set<Key, C2, Allocator>& source); // C++17
template<class C2>
void merge(set<Key, C2, Allocator>&& source); // C++17
void swap(multiset& s)
noexcept(
__is_nothrow_swappable<key_compare>::value &&
(!allocator_type::propagate_on_container_swap::value ||
__is_nothrow_swappable<allocator_type>::value));
// observers:
allocator_type get_allocator() const noexcept;
key_compare key_comp() const;
value_compare value_comp() const;
// set operations:
iterator find(const key_type& k);
const_iterator find(const key_type& k) const;
template<typename K>
iterator find(const K& x);
template<typename K>
const_iterator find(const K& x) const; // C++14
template<typename K>
size_type count(const K& x) const; // C++14
size_type count(const key_type& k) const;
bool contains(const key_type& x) const; // C++20
template<class K> bool contains(const K& x) const; // C++20
iterator lower_bound(const key_type& k);
const_iterator lower_bound(const key_type& k) const;
template<typename K>
iterator lower_bound(const K& x); // C++14
template<typename K>
const_iterator lower_bound(const K& x) const; // C++14
iterator upper_bound(const key_type& k);
const_iterator upper_bound(const key_type& k) const;
template<typename K>
iterator upper_bound(const K& x); // C++14
template<typename K>
const_iterator upper_bound(const K& x) const; // C++14
pair<iterator,iterator> equal_range(const key_type& k);
pair<const_iterator,const_iterator> equal_range(const key_type& k) const;
template<typename K>
pair<iterator,iterator> equal_range(const K& x); // C++14
template<typename K>
pair<const_iterator,const_iterator> equal_range(const K& x) const; // C++14
};
template <class InputIterator,
class Compare = less<typename iterator_traits<InputIterator>::value_type>,
class Allocator = allocator<typename iterator_traits<InputIterator>::value_type>>
multiset(InputIterator, InputIterator,
Compare = Compare(), Allocator = Allocator())
-> multiset<typename iterator_traits<InputIterator>::value_type, Compare, Allocator>; // C++17
template<ranges::input_range R, class Compare = less<ranges::range_value_t<R>>,
class Allocator = allocator<ranges::range_value_t<R>>>
multiset(from_range_t, R&&, Compare = Compare(), Allocator = Allocator())
-> multiset<ranges::range_value_t<R>, Compare, Allocator>;
template<class Key, class Compare = less<Key>, class Allocator = allocator<Key>>
multiset(initializer_list<Key>, Compare = Compare(), Allocator = Allocator())
-> multiset<Key, Compare, Allocator>; // C++17
template<class InputIterator, class Allocator>
multiset(InputIterator, InputIterator, Allocator)
-> multiset<typename iterator_traits<InputIterator>::value_type,
less<typename iterator_traits<InputIterator>::value_type>, Allocator>; // C++17
template<ranges::input_range R, class Allocator>
multiset(from_range_t, R&&, Allocator)
-> multiset<ranges::range_value_t<R>, less<ranges::range_value_t<R>>, Allocator>;
template<class Key, class Allocator>
multiset(initializer_list<Key>, Allocator) -> multiset<Key, less<Key>, Allocator>; // C++17
template <class Key, class Compare, class Allocator>
bool
operator==(const multiset<Key, Compare, Allocator>& x,
const multiset<Key, Compare, Allocator>& y);
template <class Key, class Compare, class Allocator>
bool
operator< (const multiset<Key, Compare, Allocator>& x,
const multiset<Key, Compare, Allocator>& y); // removed in C++20
template <class Key, class Compare, class Allocator>
bool
operator!=(const multiset<Key, Compare, Allocator>& x,
const multiset<Key, Compare, Allocator>& y); // removed in C++20
template <class Key, class Compare, class Allocator>
bool
operator> (const multiset<Key, Compare, Allocator>& x,
const multiset<Key, Compare, Allocator>& y); // removed in C++20
template <class Key, class Compare, class Allocator>
bool
operator>=(const multiset<Key, Compare, Allocator>& x,
const multiset<Key, Compare, Allocator>& y); // removed in C++20
template <class Key, class Compare, class Allocator>
bool
operator<=(const multiset<Key, Compare, Allocator>& x,
const multiset<Key, Compare, Allocator>& y); // removed in C++20
template<class Key, class Compare, class Allocator>
synth-three-way-result<Key> operator<=>(const multiset<Key, Compare, Allocator>& x,
const multiset<Key, Compare, Allocator>& y); // since C++20
// specialized algorithms:
template <class Key, class Compare, class Allocator>
void
swap(multiset<Key, Compare, Allocator>& x, multiset<Key, Compare, Allocator>& y)
noexcept(noexcept(x.swap(y)));
template <class Key, class Compare, class Allocator, class Predicate>
typename multiset<Key, Compare, Allocator>::size_type
erase_if(multiset<Key, Compare, Allocator>& c, Predicate pred); // C++20
} // std
*/
#include <__algorithm/equal.h>
#include <__algorithm/lexicographical_compare.h>
#include <__algorithm/lexicographical_compare_three_way.h>
#include <__assert> // all public C++ headers provide the assertion handler
#include <__availability>
#include <__config>
#include <__functional/is_transparent.h>
#include <__functional/operations.h>
#include <__iterator/erase_if_container.h>
#include <__iterator/iterator_traits.h>
#include <__iterator/ranges_iterator_traits.h>
#include <__iterator/reverse_iterator.h>
#include <__memory/allocator.h>
#include <__memory_resource/polymorphic_allocator.h>
#include <__node_handle>
#include <__ranges/concepts.h>
#include <__ranges/container_compatible_range.h>
#include <__ranges/from_range.h>
#include <__tree>
#include <__type_traits/is_allocator.h>
#include <__utility/forward.h>
#include <version>
// standard-mandated includes
// [iterator.range]
#include <__iterator/access.h>
#include <__iterator/data.h>
#include <__iterator/empty.h>
#include <__iterator/reverse_access.h>
#include <__iterator/size.h>
// [associative.set.syn]
#include <compare>
#include <initializer_list>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
template <class _Key, class _Compare, class _Allocator>
class multiset;
template <class _Key, class _Compare = less<_Key>,
class _Allocator = allocator<_Key> >
class _LIBCPP_TEMPLATE_VIS set
{
public:
// types:
typedef _Key key_type;
typedef key_type value_type;
typedef __type_identity_t<_Compare> key_compare;
typedef key_compare value_compare;
typedef __type_identity_t<_Allocator> allocator_type;
typedef value_type& reference;
typedef const value_type& const_reference;
static_assert((is_same<typename allocator_type::value_type, value_type>::value),
"Allocator::value_type must be same type as value_type");
private:
typedef __tree<value_type, value_compare, allocator_type> __base;
typedef allocator_traits<allocator_type> __alloc_traits;
static_assert(is_same<allocator_type, __rebind_alloc<__alloc_traits, value_type> >::value,
"[allocator.requirements] states that rebinding an allocator to the same type should result in the "
"original allocator");
__base __tree_;
public:
typedef typename __base::pointer pointer;
typedef typename __base::const_pointer const_pointer;
typedef typename __base::size_type size_type;
typedef typename __base::difference_type difference_type;
typedef typename __base::const_iterator iterator;
typedef typename __base::const_iterator const_iterator;
typedef _VSTD::reverse_iterator<iterator> reverse_iterator;
typedef _VSTD::reverse_iterator<const_iterator> const_reverse_iterator;
#if _LIBCPP_STD_VER >= 17
typedef __set_node_handle<typename __base::__node, allocator_type> node_type;
typedef __insert_return_type<iterator, node_type> insert_return_type;
#endif
template <class _Key2, class _Compare2, class _Alloc2>
friend class _LIBCPP_TEMPLATE_VIS set;
template <class _Key2, class _Compare2, class _Alloc2>
friend class _LIBCPP_TEMPLATE_VIS multiset;
_LIBCPP_INLINE_VISIBILITY
set()
_NOEXCEPT_(
is_nothrow_default_constructible<allocator_type>::value &&
is_nothrow_default_constructible<key_compare>::value &&
is_nothrow_copy_constructible<key_compare>::value)
: __tree_(value_compare()) {}
_LIBCPP_INLINE_VISIBILITY
explicit set(const value_compare& __comp)
_NOEXCEPT_(
is_nothrow_default_constructible<allocator_type>::value &&
is_nothrow_copy_constructible<key_compare>::value)
: __tree_(__comp) {}
_LIBCPP_INLINE_VISIBILITY
explicit set(const value_compare& __comp, const allocator_type& __a)
: __tree_(__comp, __a) {}
template <class _InputIterator>
_LIBCPP_INLINE_VISIBILITY
set(_InputIterator __f, _InputIterator __l,
const value_compare& __comp = value_compare())
: __tree_(__comp)
{
insert(__f, __l);
}
template <class _InputIterator>
_LIBCPP_INLINE_VISIBILITY
set(_InputIterator __f, _InputIterator __l, const value_compare& __comp,
const allocator_type& __a)
: __tree_(__comp, __a)
{
insert(__f, __l);
}
#if _LIBCPP_STD_VER >= 23
template <_ContainerCompatibleRange<value_type> _Range>
_LIBCPP_HIDE_FROM_ABI
set(from_range_t, _Range&& __range, const key_compare& __comp = key_compare(),
const allocator_type& __a = allocator_type())
: __tree_(__comp, __a) {
insert_range(std::forward<_Range>(__range));
}
#endif
#if _LIBCPP_STD_VER >= 14
template <class _InputIterator>
_LIBCPP_INLINE_VISIBILITY
set(_InputIterator __f, _InputIterator __l, const allocator_type& __a)
: set(__f, __l, key_compare(), __a) {}
#endif
#if _LIBCPP_STD_VER >= 23
template <_ContainerCompatibleRange<value_type> _Range>
_LIBCPP_HIDE_FROM_ABI
set(from_range_t, _Range&& __range, const allocator_type& __a)
: set(from_range, std::forward<_Range>(__range), key_compare(), __a) {}
#endif
_LIBCPP_INLINE_VISIBILITY
set(const set& __s)
: __tree_(__s.__tree_)
{
insert(__s.begin(), __s.end());
}
_LIBCPP_INLINE_VISIBILITY
set& operator=(const set& __s)
{
__tree_ = __s.__tree_;
return *this;
}
#ifndef _LIBCPP_CXX03_LANG
_LIBCPP_INLINE_VISIBILITY
set(set&& __s)
_NOEXCEPT_(is_nothrow_move_constructible<__base>::value)
: __tree_(_VSTD::move(__s.__tree_)) {}
#endif // _LIBCPP_CXX03_LANG
_LIBCPP_INLINE_VISIBILITY
explicit set(const allocator_type& __a)
: __tree_(__a) {}
_LIBCPP_INLINE_VISIBILITY
set(const set& __s, const allocator_type& __a)
: __tree_(__s.__tree_.value_comp(), __a)
{
insert(__s.begin(), __s.end());
}
#ifndef _LIBCPP_CXX03_LANG
_LIBCPP_HIDE_FROM_ABI set(set&& __s, const allocator_type& __a);
_LIBCPP_INLINE_VISIBILITY
set(initializer_list<value_type> __il, const value_compare& __comp = value_compare())
: __tree_(__comp)
{
insert(__il.begin(), __il.end());
}
_LIBCPP_INLINE_VISIBILITY
set(initializer_list<value_type> __il, const value_compare& __comp,
const allocator_type& __a)
: __tree_(__comp, __a)
{
insert(__il.begin(), __il.end());
}
#if _LIBCPP_STD_VER >= 14
_LIBCPP_INLINE_VISIBILITY
set(initializer_list<value_type> __il, const allocator_type& __a)
: set(__il, key_compare(), __a) {}
#endif
_LIBCPP_INLINE_VISIBILITY
set& operator=(initializer_list<value_type> __il)
{
__tree_.__assign_unique(__il.begin(), __il.end());
return *this;
}
_LIBCPP_INLINE_VISIBILITY
set& operator=(set&& __s)
_NOEXCEPT_(is_nothrow_move_assignable<__base>::value)
{
__tree_ = _VSTD::move(__s.__tree_);
return *this;
}
#endif // _LIBCPP_CXX03_LANG
_LIBCPP_INLINE_VISIBILITY
~set() {
static_assert(sizeof(__diagnose_non_const_comparator<_Key, _Compare>()), "");
}
_LIBCPP_INLINE_VISIBILITY
iterator begin() _NOEXCEPT {return __tree_.begin();}
_LIBCPP_INLINE_VISIBILITY
const_iterator begin() const _NOEXCEPT {return __tree_.begin();}
_LIBCPP_INLINE_VISIBILITY
iterator end() _NOEXCEPT {return __tree_.end();}
_LIBCPP_INLINE_VISIBILITY
const_iterator end() const _NOEXCEPT {return __tree_.end();}
_LIBCPP_INLINE_VISIBILITY
reverse_iterator rbegin() _NOEXCEPT
{return reverse_iterator(end());}
_LIBCPP_INLINE_VISIBILITY
const_reverse_iterator rbegin() const _NOEXCEPT
{return const_reverse_iterator(end());}
_LIBCPP_INLINE_VISIBILITY
reverse_iterator rend() _NOEXCEPT
{return reverse_iterator(begin());}
_LIBCPP_INLINE_VISIBILITY
const_reverse_iterator rend() const _NOEXCEPT
{return const_reverse_iterator(begin());}
_LIBCPP_INLINE_VISIBILITY
const_iterator cbegin() const _NOEXCEPT {return begin();}
_LIBCPP_INLINE_VISIBILITY
const_iterator cend() const _NOEXCEPT {return end();}
_LIBCPP_INLINE_VISIBILITY
const_reverse_iterator crbegin() const _NOEXCEPT {return rbegin();}
_LIBCPP_INLINE_VISIBILITY
const_reverse_iterator crend() const _NOEXCEPT {return rend();}
_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_INLINE_VISIBILITY
bool empty() const _NOEXCEPT {return __tree_.size() == 0;}
_LIBCPP_INLINE_VISIBILITY
size_type size() const _NOEXCEPT {return __tree_.size();}
_LIBCPP_INLINE_VISIBILITY
size_type max_size() const _NOEXCEPT {return __tree_.max_size();}
// modifiers:
#ifndef _LIBCPP_CXX03_LANG
template <class... _Args>
_LIBCPP_INLINE_VISIBILITY
pair<iterator, bool> emplace(_Args&&... __args)
{return __tree_.__emplace_unique(_VSTD::forward<_Args>(__args)...);}
template <class... _Args>
_LIBCPP_INLINE_VISIBILITY
iterator emplace_hint(const_iterator __p, _Args&&... __args)
{return __tree_.__emplace_hint_unique(__p, _VSTD::forward<_Args>(__args)...);}
#endif // _LIBCPP_CXX03_LANG
_LIBCPP_INLINE_VISIBILITY
pair<iterator,bool> insert(const value_type& __v)
{return __tree_.__insert_unique(__v);}
_LIBCPP_INLINE_VISIBILITY
iterator insert(const_iterator __p, const value_type& __v)
{return __tree_.__insert_unique(__p, __v);}
template <class _InputIterator>
_LIBCPP_INLINE_VISIBILITY
void insert(_InputIterator __f, _InputIterator __l)
{
for (const_iterator __e = cend(); __f != __l; ++__f)
__tree_.__insert_unique(__e, *__f);
}
#if _LIBCPP_STD_VER >= 23
template <_ContainerCompatibleRange<value_type> _Range>
_LIBCPP_HIDE_FROM_ABI
void insert_range(_Range&& __range) {
const_iterator __end = cend();
for (auto&& __element : __range) {
__tree_.__insert_unique(__end, std::forward<decltype(__element)>(__element));
}
}
#endif
#ifndef _LIBCPP_CXX03_LANG
_LIBCPP_INLINE_VISIBILITY
pair<iterator,bool> insert(value_type&& __v)
{return __tree_.__insert_unique(_VSTD::move(__v));}
_LIBCPP_INLINE_VISIBILITY
iterator insert(const_iterator __p, value_type&& __v)
{return __tree_.__insert_unique(__p, _VSTD::move(__v));}
_LIBCPP_INLINE_VISIBILITY
void insert(initializer_list<value_type> __il)
{insert(__il.begin(), __il.end());}
#endif // _LIBCPP_CXX03_LANG
_LIBCPP_INLINE_VISIBILITY
iterator erase(const_iterator __p) {return __tree_.erase(__p);}
_LIBCPP_INLINE_VISIBILITY
size_type erase(const key_type& __k)
{return __tree_.__erase_unique(__k);}
_LIBCPP_INLINE_VISIBILITY
iterator erase(const_iterator __f, const_iterator __l)
{return __tree_.erase(__f, __l);}
_LIBCPP_INLINE_VISIBILITY
void clear() _NOEXCEPT {__tree_.clear();}
#if _LIBCPP_STD_VER >= 17
_LIBCPP_INLINE_VISIBILITY
insert_return_type insert(node_type&& __nh)
{
_LIBCPP_ASSERT_UNCATEGORIZED(__nh.empty() || __nh.get_allocator() == get_allocator(),
"node_type with incompatible allocator passed to set::insert()");
return __tree_.template __node_handle_insert_unique<
node_type, insert_return_type>(_VSTD::move(__nh));
}
_LIBCPP_INLINE_VISIBILITY
iterator insert(const_iterator __hint, node_type&& __nh)
{
_LIBCPP_ASSERT_UNCATEGORIZED(__nh.empty() || __nh.get_allocator() == get_allocator(),
"node_type with incompatible allocator passed to set::insert()");
return __tree_.template __node_handle_insert_unique<node_type>(
__hint, _VSTD::move(__nh));
}
_LIBCPP_INLINE_VISIBILITY
node_type extract(key_type const& __key)
{
return __tree_.template __node_handle_extract<node_type>(__key);
}
_LIBCPP_INLINE_VISIBILITY
node_type extract(const_iterator __it)
{
return __tree_.template __node_handle_extract<node_type>(__it);
}
template <class _Compare2>
_LIBCPP_INLINE_VISIBILITY
void merge(set<key_type, _Compare2, allocator_type>& __source)
{
_LIBCPP_ASSERT_UNCATEGORIZED(__source.get_allocator() == get_allocator(),
"merging container with incompatible allocator");
__tree_.__node_handle_merge_unique(__source.__tree_);
}
template <class _Compare2>
_LIBCPP_INLINE_VISIBILITY
void merge(set<key_type, _Compare2, allocator_type>&& __source)
{
_LIBCPP_ASSERT_UNCATEGORIZED(__source.get_allocator() == get_allocator(),
"merging container with incompatible allocator");
__tree_.__node_handle_merge_unique(__source.__tree_);
}
template <class _Compare2>
_LIBCPP_INLINE_VISIBILITY
void merge(multiset<key_type, _Compare2, allocator_type>& __source)
{
_LIBCPP_ASSERT_UNCATEGORIZED(__source.get_allocator() == get_allocator(),
"merging container with incompatible allocator");
__tree_.__node_handle_merge_unique(__source.__tree_);
}
template <class _Compare2>
_LIBCPP_INLINE_VISIBILITY
void merge(multiset<key_type, _Compare2, allocator_type>&& __source)
{
_LIBCPP_ASSERT_UNCATEGORIZED(__source.get_allocator() == get_allocator(),
"merging container with incompatible allocator");
__tree_.__node_handle_merge_unique(__source.__tree_);
}
#endif
_LIBCPP_INLINE_VISIBILITY
void swap(set& __s) _NOEXCEPT_(__is_nothrow_swappable<__base>::value)
{__tree_.swap(__s.__tree_);}
_LIBCPP_INLINE_VISIBILITY
allocator_type get_allocator() const _NOEXCEPT {return __tree_.__alloc();}
_LIBCPP_INLINE_VISIBILITY
key_compare key_comp() const {return __tree_.value_comp();}
_LIBCPP_INLINE_VISIBILITY
value_compare value_comp() const {return __tree_.value_comp();}
// set operations:
_LIBCPP_INLINE_VISIBILITY
iterator find(const key_type& __k) {return __tree_.find(__k);}
_LIBCPP_INLINE_VISIBILITY
const_iterator find(const key_type& __k) const {return __tree_.find(__k);}
#if _LIBCPP_STD_VER >= 14
template <typename _K2, enable_if_t<__is_transparent<_Compare, _K2>::value, int> = 0>
_LIBCPP_INLINE_VISIBILITY
iterator
find(const _K2& __k) {return __tree_.find(__k);}
template <typename _K2, enable_if_t<__is_transparent<_Compare, _K2>::value, int> = 0>
_LIBCPP_INLINE_VISIBILITY
const_iterator
find(const _K2& __k) const {return __tree_.find(__k);}
#endif
_LIBCPP_INLINE_VISIBILITY
size_type count(const key_type& __k) const
{return __tree_.__count_unique(__k);}
#if _LIBCPP_STD_VER >= 14
template <typename _K2, enable_if_t<__is_transparent<_Compare, _K2>::value, int> = 0>
_LIBCPP_INLINE_VISIBILITY
size_type
count(const _K2& __k) const {return __tree_.__count_multi(__k);}
#endif
#if _LIBCPP_STD_VER >= 20
_LIBCPP_INLINE_VISIBILITY
bool contains(const key_type& __k) const {return find(__k) != end();}
template <typename _K2, enable_if_t<__is_transparent<_Compare, _K2>::value, int> = 0>
_LIBCPP_INLINE_VISIBILITY
bool
contains(const _K2& __k) const { return find(__k) != end(); }
#endif // _LIBCPP_STD_VER >= 20
_LIBCPP_INLINE_VISIBILITY
iterator lower_bound(const key_type& __k)
{return __tree_.lower_bound(__k);}
_LIBCPP_INLINE_VISIBILITY
const_iterator lower_bound(const key_type& __k) const
{return __tree_.lower_bound(__k);}
#if _LIBCPP_STD_VER >= 14
template <typename _K2, enable_if_t<__is_transparent<_Compare, _K2>::value, int> = 0>
_LIBCPP_INLINE_VISIBILITY
iterator
lower_bound(const _K2& __k) {return __tree_.lower_bound(__k);}
template <typename _K2, enable_if_t<__is_transparent<_Compare, _K2>::value, int> = 0>
_LIBCPP_INLINE_VISIBILITY
const_iterator
lower_bound(const _K2& __k) const {return __tree_.lower_bound(__k);}
#endif
_LIBCPP_INLINE_VISIBILITY
iterator upper_bound(const key_type& __k)
{return __tree_.upper_bound(__k);}
_LIBCPP_INLINE_VISIBILITY
const_iterator upper_bound(const key_type& __k) const
{return __tree_.upper_bound(__k);}
#if _LIBCPP_STD_VER >= 14
template <typename _K2, enable_if_t<__is_transparent<_Compare, _K2>::value, int> = 0>
_LIBCPP_INLINE_VISIBILITY
iterator
upper_bound(const _K2& __k) {return __tree_.upper_bound(__k);}
template <typename _K2, enable_if_t<__is_transparent<_Compare, _K2>::value, int> = 0>
_LIBCPP_INLINE_VISIBILITY
const_iterator
upper_bound(const _K2& __k) const {return __tree_.upper_bound(__k);}
#endif
_LIBCPP_INLINE_VISIBILITY
pair<iterator,iterator> equal_range(const key_type& __k)
{return __tree_.__equal_range_unique(__k);}
_LIBCPP_INLINE_VISIBILITY
pair<const_iterator,const_iterator> equal_range(const key_type& __k) const
{return __tree_.__equal_range_unique(__k);}
#if _LIBCPP_STD_VER >= 14
template <typename _K2, enable_if_t<__is_transparent<_Compare, _K2>::value, int> = 0>
_LIBCPP_INLINE_VISIBILITY
pair<iterator,iterator>
equal_range(const _K2& __k) {return __tree_.__equal_range_multi(__k);}
template <typename _K2, enable_if_t<__is_transparent<_Compare, _K2>::value, int> = 0>
_LIBCPP_INLINE_VISIBILITY
pair<const_iterator,const_iterator>
equal_range(const _K2& __k) const {return __tree_.__equal_range_multi(__k);}
#endif
};
#if _LIBCPP_STD_VER >= 17
template<class _InputIterator,
class _Compare = less<__iter_value_type<_InputIterator>>,
class _Allocator = allocator<__iter_value_type<_InputIterator>>,
class = enable_if_t<__has_input_iterator_category<_InputIterator>::value, void>,
class = enable_if_t<__is_allocator<_Allocator>::value, void>,
class = enable_if_t<!__is_allocator<_Compare>::value, void>>
set(_InputIterator, _InputIterator, _Compare = _Compare(), _Allocator = _Allocator())
-> set<__iter_value_type<_InputIterator>, _Compare, _Allocator>;
#if _LIBCPP_STD_VER >= 23
template <ranges::input_range _Range, class _Compare = less<ranges::range_value_t<_Range>>,
class _Allocator = allocator<ranges::range_value_t<_Range>>,
class = enable_if_t<__is_allocator<_Allocator>::value, void>,
class = enable_if_t<!__is_allocator<_Compare>::value, void>>
set(from_range_t, _Range&&, _Compare = _Compare(), _Allocator = _Allocator())
-> set<ranges::range_value_t<_Range>, _Compare, _Allocator>;
#endif
template<class _Key, class _Compare = less<_Key>,
class _Allocator = allocator<_Key>,
class = enable_if_t<!__is_allocator<_Compare>::value, void>,
class = enable_if_t<__is_allocator<_Allocator>::value, void>>
set(initializer_list<_Key>, _Compare = _Compare(), _Allocator = _Allocator())
-> set<_Key, _Compare, _Allocator>;
template<class _InputIterator, class _Allocator,
class = enable_if_t<__has_input_iterator_category<_InputIterator>::value, void>,
class = enable_if_t<__is_allocator<_Allocator>::value, void>>
set(_InputIterator, _InputIterator, _Allocator)
-> set<__iter_value_type<_InputIterator>,
less<__iter_value_type<_InputIterator>>, _Allocator>;
#if _LIBCPP_STD_VER >= 23
template <ranges::input_range _Range, class _Allocator,
class = enable_if_t<__is_allocator<_Allocator>::value, void>>
set(from_range_t, _Range&&, _Allocator)
-> set<ranges::range_value_t<_Range>, less<ranges::range_value_t<_Range>>, _Allocator>;
#endif
template<class _Key, class _Allocator,
class = enable_if_t<__is_allocator<_Allocator>::value, void>>
set(initializer_list<_Key>, _Allocator)
-> set<_Key, less<_Key>, _Allocator>;
#endif
#ifndef _LIBCPP_CXX03_LANG
template <class _Key, class _Compare, class _Allocator>
set<_Key, _Compare, _Allocator>::set(set&& __s, const allocator_type& __a)
: __tree_(_VSTD::move(__s.__tree_), __a)
{
if (__a != __s.get_allocator())
{
const_iterator __e = cend();
while (!__s.empty())
insert(__e, _VSTD::move(__s.__tree_.remove(__s.begin())->__value_));
}
}
#endif // _LIBCPP_CXX03_LANG
template <class _Key, class _Compare, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator==(const set<_Key, _Compare, _Allocator>& __x,
const set<_Key, _Compare, _Allocator>& __y)
{
return __x.size() == __y.size() && _VSTD::equal(__x.begin(), __x.end(), __y.begin());
}
#if _LIBCPP_STD_VER <= 17
template <class _Key, class _Compare, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator< (const set<_Key, _Compare, _Allocator>& __x,
const set<_Key, _Compare, _Allocator>& __y)
{
return _VSTD::lexicographical_compare(__x.begin(), __x.end(), __y.begin(), __y.end());
}
template <class _Key, class _Compare, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator!=(const set<_Key, _Compare, _Allocator>& __x,
const set<_Key, _Compare, _Allocator>& __y)
{
return !(__x == __y);
}
template <class _Key, class _Compare, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator> (const set<_Key, _Compare, _Allocator>& __x,
const set<_Key, _Compare, _Allocator>& __y)
{
return __y < __x;
}
template <class _Key, class _Compare, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator>=(const set<_Key, _Compare, _Allocator>& __x,
const set<_Key, _Compare, _Allocator>& __y)
{
return !(__x < __y);
}
template <class _Key, class _Compare, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator<=(const set<_Key, _Compare, _Allocator>& __x,
const set<_Key, _Compare, _Allocator>& __y)
{
return !(__y < __x);
}
#else // _LIBCPP_STD_VER <= 17
template <class _Key, class _Allocator>
_LIBCPP_HIDE_FROM_ABI __synth_three_way_result<_Key>
operator<=>(const set<_Key, _Allocator>& __x, const set<_Key, _Allocator>& __y) {
return std::lexicographical_compare_three_way(
__x.begin(), __x.end(), __y.begin(), __y.end(), std::__synth_three_way<_Key, _Key>);
}
#endif // _LIBCPP_STD_VER <= 17
// specialized algorithms:
template <class _Key, class _Compare, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
void
swap(set<_Key, _Compare, _Allocator>& __x,
set<_Key, _Compare, _Allocator>& __y)
_NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
{
__x.swap(__y);
}
#if _LIBCPP_STD_VER >= 20
template <class _Key, class _Compare, class _Allocator, class _Predicate>
inline _LIBCPP_INLINE_VISIBILITY
typename set<_Key, _Compare, _Allocator>::size_type
erase_if(set<_Key, _Compare, _Allocator>& __c, _Predicate __pred) {
return _VSTD::__libcpp_erase_if_container(__c, __pred);
}
#endif
template <class _Key, class _Compare = less<_Key>,
class _Allocator = allocator<_Key> >
class _LIBCPP_TEMPLATE_VIS multiset
{
public:
// types:
typedef _Key key_type;
typedef key_type value_type;
typedef __type_identity_t<_Compare> key_compare;
typedef key_compare value_compare;
typedef __type_identity_t<_Allocator> allocator_type;
typedef value_type& reference;
typedef const value_type& const_reference;
static_assert((is_same<typename allocator_type::value_type, value_type>::value),
"Allocator::value_type must be same type as value_type");
private:
typedef __tree<value_type, value_compare, allocator_type> __base;
typedef allocator_traits<allocator_type> __alloc_traits;
static_assert(is_same<allocator_type, __rebind_alloc<__alloc_traits, value_type> >::value,
"[allocator.requirements] states that rebinding an allocator to the same type should result in the "
"original allocator");
__base __tree_;
public:
typedef typename __base::pointer pointer;
typedef typename __base::const_pointer const_pointer;
typedef typename __base::size_type size_type;
typedef typename __base::difference_type difference_type;
typedef typename __base::const_iterator iterator;
typedef typename __base::const_iterator const_iterator;
typedef _VSTD::reverse_iterator<iterator> reverse_iterator;
typedef _VSTD::reverse_iterator<const_iterator> const_reverse_iterator;
#if _LIBCPP_STD_VER >= 17
typedef __set_node_handle<typename __base::__node, allocator_type> node_type;
#endif
template <class _Key2, class _Compare2, class _Alloc2>
friend class _LIBCPP_TEMPLATE_VIS set;
template <class _Key2, class _Compare2, class _Alloc2>
friend class _LIBCPP_TEMPLATE_VIS multiset;
// construct/copy/destroy:
_LIBCPP_INLINE_VISIBILITY
multiset()
_NOEXCEPT_(
is_nothrow_default_constructible<allocator_type>::value &&
is_nothrow_default_constructible<key_compare>::value &&
is_nothrow_copy_constructible<key_compare>::value)
: __tree_(value_compare()) {}
_LIBCPP_INLINE_VISIBILITY
explicit multiset(const value_compare& __comp)
_NOEXCEPT_(
is_nothrow_default_constructible<allocator_type>::value &&
is_nothrow_copy_constructible<key_compare>::value)
: __tree_(__comp) {}
_LIBCPP_INLINE_VISIBILITY
explicit multiset(const value_compare& __comp, const allocator_type& __a)
: __tree_(__comp, __a) {}
template <class _InputIterator>
_LIBCPP_INLINE_VISIBILITY
multiset(_InputIterator __f, _InputIterator __l,
const value_compare& __comp = value_compare())
: __tree_(__comp)
{
insert(__f, __l);
}
#if _LIBCPP_STD_VER >= 14
template <class _InputIterator>
_LIBCPP_INLINE_VISIBILITY
multiset(_InputIterator __f, _InputIterator __l, const allocator_type& __a)
: multiset(__f, __l, key_compare(), __a) {}
#endif
template <class _InputIterator>
_LIBCPP_INLINE_VISIBILITY
multiset(_InputIterator __f, _InputIterator __l,
const value_compare& __comp, const allocator_type& __a)
: __tree_(__comp, __a)
{
insert(__f, __l);
}
#if _LIBCPP_STD_VER >= 23
template <_ContainerCompatibleRange<value_type> _Range>
_LIBCPP_HIDE_FROM_ABI
multiset(from_range_t, _Range&& __range, const key_compare& __comp = key_compare(),
const allocator_type& __a = allocator_type())
: __tree_(__comp, __a) {
insert_range(std::forward<_Range>(__range));
}
template <_ContainerCompatibleRange<value_type> _Range>
_LIBCPP_HIDE_FROM_ABI
multiset(from_range_t, _Range&& __range, const allocator_type& __a)
: multiset(from_range, std::forward<_Range>(__range), key_compare(), __a) {}
#endif
_LIBCPP_INLINE_VISIBILITY
multiset(const multiset& __s)
: __tree_(__s.__tree_.value_comp(),
__alloc_traits::select_on_container_copy_construction(__s.__tree_.__alloc()))
{
insert(__s.begin(), __s.end());
}
_LIBCPP_INLINE_VISIBILITY
multiset& operator=(const multiset& __s)
{
__tree_ = __s.__tree_;
return *this;
}
#ifndef _LIBCPP_CXX03_LANG
_LIBCPP_INLINE_VISIBILITY
multiset(multiset&& __s)
_NOEXCEPT_(is_nothrow_move_constructible<__base>::value)
: __tree_(_VSTD::move(__s.__tree_)) {}
_LIBCPP_HIDE_FROM_ABI multiset(multiset&& __s, const allocator_type& __a);
#endif // _LIBCPP_CXX03_LANG
_LIBCPP_INLINE_VISIBILITY
explicit multiset(const allocator_type& __a)
: __tree_(__a) {}
_LIBCPP_INLINE_VISIBILITY
multiset(const multiset& __s, const allocator_type& __a)
: __tree_(__s.__tree_.value_comp(), __a)
{
insert(__s.begin(), __s.end());
}
#ifndef _LIBCPP_CXX03_LANG
_LIBCPP_INLINE_VISIBILITY
multiset(initializer_list<value_type> __il, const value_compare& __comp = value_compare())
: __tree_(__comp)
{
insert(__il.begin(), __il.end());
}
_LIBCPP_INLINE_VISIBILITY
multiset(initializer_list<value_type> __il, const value_compare& __comp,
const allocator_type& __a)
: __tree_(__comp, __a)
{
insert(__il.begin(), __il.end());
}
#if _LIBCPP_STD_VER >= 14
_LIBCPP_INLINE_VISIBILITY
multiset(initializer_list<value_type> __il, const allocator_type& __a)
: multiset(__il, key_compare(), __a) {}
#endif
_LIBCPP_INLINE_VISIBILITY
multiset& operator=(initializer_list<value_type> __il)
{
__tree_.__assign_multi(__il.begin(), __il.end());
return *this;
}
_LIBCPP_INLINE_VISIBILITY
multiset& operator=(multiset&& __s)
_NOEXCEPT_(is_nothrow_move_assignable<__base>::value)
{
__tree_ = _VSTD::move(__s.__tree_);
return *this;
}
#endif // _LIBCPP_CXX03_LANG
_LIBCPP_INLINE_VISIBILITY
~multiset() {
static_assert(sizeof(__diagnose_non_const_comparator<_Key, _Compare>()), "");
}
_LIBCPP_INLINE_VISIBILITY
iterator begin() _NOEXCEPT {return __tree_.begin();}
_LIBCPP_INLINE_VISIBILITY
const_iterator begin() const _NOEXCEPT {return __tree_.begin();}
_LIBCPP_INLINE_VISIBILITY
iterator end() _NOEXCEPT {return __tree_.end();}
_LIBCPP_INLINE_VISIBILITY
const_iterator end() const _NOEXCEPT {return __tree_.end();}
_LIBCPP_INLINE_VISIBILITY
reverse_iterator rbegin() _NOEXCEPT
{return reverse_iterator(end());}
_LIBCPP_INLINE_VISIBILITY
const_reverse_iterator rbegin() const _NOEXCEPT
{return const_reverse_iterator(end());}
_LIBCPP_INLINE_VISIBILITY
reverse_iterator rend() _NOEXCEPT
{return reverse_iterator(begin());}
_LIBCPP_INLINE_VISIBILITY
const_reverse_iterator rend() const _NOEXCEPT
{return const_reverse_iterator(begin());}
_LIBCPP_INLINE_VISIBILITY
const_iterator cbegin() const _NOEXCEPT {return begin();}
_LIBCPP_INLINE_VISIBILITY
const_iterator cend() const _NOEXCEPT {return end();}
_LIBCPP_INLINE_VISIBILITY
const_reverse_iterator crbegin() const _NOEXCEPT {return rbegin();}
_LIBCPP_INLINE_VISIBILITY
const_reverse_iterator crend() const _NOEXCEPT {return rend();}
_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_INLINE_VISIBILITY
bool empty() const _NOEXCEPT {return __tree_.size() == 0;}
_LIBCPP_INLINE_VISIBILITY
size_type size() const _NOEXCEPT {return __tree_.size();}
_LIBCPP_INLINE_VISIBILITY
size_type max_size() const _NOEXCEPT {return __tree_.max_size();}
// modifiers:
#ifndef _LIBCPP_CXX03_LANG
template <class... _Args>
_LIBCPP_INLINE_VISIBILITY
iterator emplace(_Args&&... __args)
{return __tree_.__emplace_multi(_VSTD::forward<_Args>(__args)...);}
template <class... _Args>
_LIBCPP_INLINE_VISIBILITY
iterator emplace_hint(const_iterator __p, _Args&&... __args)
{return __tree_.__emplace_hint_multi(__p, _VSTD::forward<_Args>(__args)...);}
#endif // _LIBCPP_CXX03_LANG
_LIBCPP_INLINE_VISIBILITY
iterator insert(const value_type& __v)
{return __tree_.__insert_multi(__v);}
_LIBCPP_INLINE_VISIBILITY
iterator insert(const_iterator __p, const value_type& __v)
{return __tree_.__insert_multi(__p, __v);}
template <class _InputIterator>
_LIBCPP_INLINE_VISIBILITY
void insert(_InputIterator __f, _InputIterator __l)
{
for (const_iterator __e = cend(); __f != __l; ++__f)
__tree_.__insert_multi(__e, *__f);
}
#if _LIBCPP_STD_VER >= 23
template <_ContainerCompatibleRange<value_type> _Range>
_LIBCPP_HIDE_FROM_ABI
void insert_range(_Range&& __range) {
const_iterator __end = cend();
for (auto&& __element : __range) {
__tree_.__insert_multi(__end, std::forward<decltype(__element)>(__element));
}
}
#endif
#ifndef _LIBCPP_CXX03_LANG
_LIBCPP_INLINE_VISIBILITY
iterator insert(value_type&& __v)
{return __tree_.__insert_multi(_VSTD::move(__v));}
_LIBCPP_INLINE_VISIBILITY
iterator insert(const_iterator __p, value_type&& __v)
{return __tree_.__insert_multi(__p, _VSTD::move(__v));}
_LIBCPP_INLINE_VISIBILITY
void insert(initializer_list<value_type> __il)
{insert(__il.begin(), __il.end());}
#endif // _LIBCPP_CXX03_LANG
_LIBCPP_INLINE_VISIBILITY
iterator erase(const_iterator __p) {return __tree_.erase(__p);}
_LIBCPP_INLINE_VISIBILITY
size_type erase(const key_type& __k) {return __tree_.__erase_multi(__k);}
_LIBCPP_INLINE_VISIBILITY
iterator erase(const_iterator __f, const_iterator __l)
{return __tree_.erase(__f, __l);}
_LIBCPP_INLINE_VISIBILITY
void clear() _NOEXCEPT {__tree_.clear();}
#if _LIBCPP_STD_VER >= 17
_LIBCPP_INLINE_VISIBILITY
iterator insert(node_type&& __nh)
{
_LIBCPP_ASSERT_UNCATEGORIZED(__nh.empty() || __nh.get_allocator() == get_allocator(),
"node_type with incompatible allocator passed to multiset::insert()");
return __tree_.template __node_handle_insert_multi<node_type>(
_VSTD::move(__nh));
}
_LIBCPP_INLINE_VISIBILITY
iterator insert(const_iterator __hint, node_type&& __nh)
{
_LIBCPP_ASSERT_UNCATEGORIZED(__nh.empty() || __nh.get_allocator() == get_allocator(),
"node_type with incompatible allocator passed to multiset::insert()");
return __tree_.template __node_handle_insert_multi<node_type>(
__hint, _VSTD::move(__nh));
}
_LIBCPP_INLINE_VISIBILITY
node_type extract(key_type const& __key)
{
return __tree_.template __node_handle_extract<node_type>(__key);
}
_LIBCPP_INLINE_VISIBILITY
node_type extract(const_iterator __it)
{
return __tree_.template __node_handle_extract<node_type>(__it);
}
template <class _Compare2>
_LIBCPP_INLINE_VISIBILITY
void merge(multiset<key_type, _Compare2, allocator_type>& __source)
{
_LIBCPP_ASSERT_UNCATEGORIZED(__source.get_allocator() == get_allocator(),
"merging container with incompatible allocator");
__tree_.__node_handle_merge_multi(__source.__tree_);
}
template <class _Compare2>
_LIBCPP_INLINE_VISIBILITY
void merge(multiset<key_type, _Compare2, allocator_type>&& __source)
{
_LIBCPP_ASSERT_UNCATEGORIZED(__source.get_allocator() == get_allocator(),
"merging container with incompatible allocator");
__tree_.__node_handle_merge_multi(__source.__tree_);
}
template <class _Compare2>
_LIBCPP_INLINE_VISIBILITY
void merge(set<key_type, _Compare2, allocator_type>& __source)
{
_LIBCPP_ASSERT_UNCATEGORIZED(__source.get_allocator() == get_allocator(),
"merging container with incompatible allocator");
__tree_.__node_handle_merge_multi(__source.__tree_);
}
template <class _Compare2>
_LIBCPP_INLINE_VISIBILITY
void merge(set<key_type, _Compare2, allocator_type>&& __source)
{
_LIBCPP_ASSERT_UNCATEGORIZED(__source.get_allocator() == get_allocator(),
"merging container with incompatible allocator");
__tree_.__node_handle_merge_multi(__source.__tree_);
}
#endif
_LIBCPP_INLINE_VISIBILITY
void swap(multiset& __s)
_NOEXCEPT_(__is_nothrow_swappable<__base>::value)
{__tree_.swap(__s.__tree_);}
_LIBCPP_INLINE_VISIBILITY
allocator_type get_allocator() const _NOEXCEPT {return __tree_.__alloc();}
_LIBCPP_INLINE_VISIBILITY
key_compare key_comp() const {return __tree_.value_comp();}
_LIBCPP_INLINE_VISIBILITY
value_compare value_comp() const {return __tree_.value_comp();}
// set operations:
_LIBCPP_INLINE_VISIBILITY
iterator find(const key_type& __k) {return __tree_.find(__k);}
_LIBCPP_INLINE_VISIBILITY
const_iterator find(const key_type& __k) const {return __tree_.find(__k);}
#if _LIBCPP_STD_VER >= 14
template <typename _K2, enable_if_t<__is_transparent<_Compare, _K2>::value, int> = 0>
_LIBCPP_INLINE_VISIBILITY
iterator
find(const _K2& __k) {return __tree_.find(__k);}
template <typename _K2, enable_if_t<__is_transparent<_Compare, _K2>::value, int> = 0>
_LIBCPP_INLINE_VISIBILITY
const_iterator
find(const _K2& __k) const {return __tree_.find(__k);}
#endif
_LIBCPP_INLINE_VISIBILITY
size_type count(const key_type& __k) const
{return __tree_.__count_multi(__k);}
#if _LIBCPP_STD_VER >= 14
template <typename _K2, enable_if_t<__is_transparent<_Compare, _K2>::value, int> = 0>
_LIBCPP_INLINE_VISIBILITY
size_type
count(const _K2& __k) const {return __tree_.__count_multi(__k);}
#endif
#if _LIBCPP_STD_VER >= 20
_LIBCPP_INLINE_VISIBILITY
bool contains(const key_type& __k) const {return find(__k) != end();}
template <typename _K2, enable_if_t<__is_transparent<_Compare, _K2>::value, int> = 0>
_LIBCPP_INLINE_VISIBILITY
bool
contains(const _K2& __k) const { return find(__k) != end(); }
#endif // _LIBCPP_STD_VER >= 20
_LIBCPP_INLINE_VISIBILITY
iterator lower_bound(const key_type& __k)
{return __tree_.lower_bound(__k);}
_LIBCPP_INLINE_VISIBILITY
const_iterator lower_bound(const key_type& __k) const
{return __tree_.lower_bound(__k);}
#if _LIBCPP_STD_VER >= 14
template <typename _K2, enable_if_t<__is_transparent<_Compare, _K2>::value, int> = 0>
_LIBCPP_INLINE_VISIBILITY
iterator
lower_bound(const _K2& __k) {return __tree_.lower_bound(__k);}
template <typename _K2, enable_if_t<__is_transparent<_Compare, _K2>::value, int> = 0>
_LIBCPP_INLINE_VISIBILITY
const_iterator
lower_bound(const _K2& __k) const {return __tree_.lower_bound(__k);}
#endif
_LIBCPP_INLINE_VISIBILITY
iterator upper_bound(const key_type& __k)
{return __tree_.upper_bound(__k);}
_LIBCPP_INLINE_VISIBILITY
const_iterator upper_bound(const key_type& __k) const
{return __tree_.upper_bound(__k);}
#if _LIBCPP_STD_VER >= 14
template <typename _K2, enable_if_t<__is_transparent<_Compare, _K2>::value, int> = 0>
_LIBCPP_INLINE_VISIBILITY
iterator
upper_bound(const _K2& __k) {return __tree_.upper_bound(__k);}
template <typename _K2, enable_if_t<__is_transparent<_Compare, _K2>::value, int> = 0>
_LIBCPP_INLINE_VISIBILITY
const_iterator
upper_bound(const _K2& __k) const {return __tree_.upper_bound(__k);}
#endif
_LIBCPP_INLINE_VISIBILITY
pair<iterator,iterator> equal_range(const key_type& __k)
{return __tree_.__equal_range_multi(__k);}
_LIBCPP_INLINE_VISIBILITY
pair<const_iterator,const_iterator> equal_range(const key_type& __k) const
{return __tree_.__equal_range_multi(__k);}
#if _LIBCPP_STD_VER >= 14
template <typename _K2, enable_if_t<__is_transparent<_Compare, _K2>::value, int> = 0>
_LIBCPP_INLINE_VISIBILITY
pair<iterator,iterator>
equal_range(const _K2& __k) {return __tree_.__equal_range_multi(__k);}
template <typename _K2, enable_if_t<__is_transparent<_Compare, _K2>::value, int> = 0>
_LIBCPP_INLINE_VISIBILITY
pair<const_iterator,const_iterator>
equal_range(const _K2& __k) const {return __tree_.__equal_range_multi(__k);}
#endif
};
#if _LIBCPP_STD_VER >= 17
template<class _InputIterator,
class _Compare = less<__iter_value_type<_InputIterator>>,
class _Allocator = allocator<__iter_value_type<_InputIterator>>,
class = enable_if_t<__has_input_iterator_category<_InputIterator>::value, void>,
class = enable_if_t<__is_allocator<_Allocator>::value, void>,
class = enable_if_t<!__is_allocator<_Compare>::value, void>>
multiset(_InputIterator, _InputIterator, _Compare = _Compare(), _Allocator = _Allocator())
-> multiset<__iter_value_type<_InputIterator>, _Compare, _Allocator>;
#if _LIBCPP_STD_VER >= 23
template <ranges::input_range _Range, class _Compare = less<ranges::range_value_t<_Range>>,
class _Allocator = allocator<ranges::range_value_t<_Range>>,
class = enable_if_t<__is_allocator<_Allocator>::value, void>,
class = enable_if_t<!__is_allocator<_Compare>::value, void>>
multiset(from_range_t, _Range&&, _Compare = _Compare(), _Allocator = _Allocator())
-> multiset<ranges::range_value_t<_Range>, _Compare, _Allocator>;
#endif
template<class _Key, class _Compare = less<_Key>,
class _Allocator = allocator<_Key>,
class = enable_if_t<__is_allocator<_Allocator>::value, void>,
class = enable_if_t<!__is_allocator<_Compare>::value, void>>
multiset(initializer_list<_Key>, _Compare = _Compare(), _Allocator = _Allocator())
-> multiset<_Key, _Compare, _Allocator>;
template<class _InputIterator, class _Allocator,
class = enable_if_t<__has_input_iterator_category<_InputIterator>::value, void>,
class = enable_if_t<__is_allocator<_Allocator>::value, void>>
multiset(_InputIterator, _InputIterator, _Allocator)
-> multiset<__iter_value_type<_InputIterator>,
less<__iter_value_type<_InputIterator>>, _Allocator>;
#if _LIBCPP_STD_VER >= 23
template <ranges::input_range _Range, class _Allocator,
class = enable_if_t<__is_allocator<_Allocator>::value, void>>
multiset(from_range_t, _Range&&, _Allocator)
-> multiset<ranges::range_value_t<_Range>, less<ranges::range_value_t<_Range>>, _Allocator>;
#endif
template<class _Key, class _Allocator,
class = enable_if_t<__is_allocator<_Allocator>::value, void>>
multiset(initializer_list<_Key>, _Allocator)
-> multiset<_Key, less<_Key>, _Allocator>;
#endif
#ifndef _LIBCPP_CXX03_LANG
template <class _Key, class _Compare, class _Allocator>
multiset<_Key, _Compare, _Allocator>::multiset(multiset&& __s, const allocator_type& __a)
: __tree_(_VSTD::move(__s.__tree_), __a)
{
if (__a != __s.get_allocator())
{
const_iterator __e = cend();
while (!__s.empty())
insert(__e, _VSTD::move(__s.__tree_.remove(__s.begin())->__value_));
}
}
#endif // _LIBCPP_CXX03_LANG
template <class _Key, class _Compare, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator==(const multiset<_Key, _Compare, _Allocator>& __x,
const multiset<_Key, _Compare, _Allocator>& __y)
{
return __x.size() == __y.size() && _VSTD::equal(__x.begin(), __x.end(), __y.begin());
}
#if _LIBCPP_STD_VER <= 17
template <class _Key, class _Compare, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator< (const multiset<_Key, _Compare, _Allocator>& __x,
const multiset<_Key, _Compare, _Allocator>& __y)
{
return _VSTD::lexicographical_compare(__x.begin(), __x.end(), __y.begin(), __y.end());
}
template <class _Key, class _Compare, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator!=(const multiset<_Key, _Compare, _Allocator>& __x,
const multiset<_Key, _Compare, _Allocator>& __y)
{
return !(__x == __y);
}
template <class _Key, class _Compare, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator> (const multiset<_Key, _Compare, _Allocator>& __x,
const multiset<_Key, _Compare, _Allocator>& __y)
{
return __y < __x;
}
template <class _Key, class _Compare, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator>=(const multiset<_Key, _Compare, _Allocator>& __x,
const multiset<_Key, _Compare, _Allocator>& __y)
{
return !(__x < __y);
}
template <class _Key, class _Compare, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator<=(const multiset<_Key, _Compare, _Allocator>& __x,
const multiset<_Key, _Compare, _Allocator>& __y)
{
return !(__y < __x);
}
#else // _LIBCPP_STD_VER <= 17
template <class _Key, class _Allocator>
_LIBCPP_HIDE_FROM_ABI __synth_three_way_result<_Key>
operator<=>(const multiset<_Key, _Allocator>& __x, const multiset<_Key, _Allocator>& __y) {
return std::lexicographical_compare_three_way(
__x.begin(), __x.end(), __y.begin(), __y.end(), std::__synth_three_way<_Key, _Key>);
}
#endif // _LIBCPP_STD_VER <= 17
template <class _Key, class _Compare, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
void
swap(multiset<_Key, _Compare, _Allocator>& __x,
multiset<_Key, _Compare, _Allocator>& __y)
_NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
{
__x.swap(__y);
}
#if _LIBCPP_STD_VER >= 20
template <class _Key, class _Compare, class _Allocator, class _Predicate>
inline _LIBCPP_INLINE_VISIBILITY
typename multiset<_Key, _Compare, _Allocator>::size_type
erase_if(multiset<_Key, _Compare, _Allocator>& __c, _Predicate __pred) {
return _VSTD::__libcpp_erase_if_container(__c, __pred);
}
#endif
_LIBCPP_END_NAMESPACE_STD
#if _LIBCPP_STD_VER >= 17
_LIBCPP_BEGIN_NAMESPACE_STD
namespace pmr {
template <class _KeyT, class _CompareT = std::less<_KeyT>>
using set _LIBCPP_AVAILABILITY_PMR = std::set<_KeyT, _CompareT, polymorphic_allocator<_KeyT>>;
template <class _KeyT, class _CompareT = std::less<_KeyT>>
using multiset _LIBCPP_AVAILABILITY_PMR = std::multiset<_KeyT, _CompareT, polymorphic_allocator<_KeyT>>;
} // namespace pmr
_LIBCPP_END_NAMESPACE_STD
#endif
#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
# include <concepts>
# include <cstdlib>
# include <functional>
# include <iterator>
# include <stdexcept>
# include <type_traits>
#endif
#endif // _LIBCPP_SET
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