Proposed package to replace iphoneos-sys.

1 files changed, 1926 insertions, 0 deletions

diff --git a/data/iphoneos-sdk/v1/map b/data/iphoneos-sdk/v1/map
new file mode 100755
index 000000000..952149389
--- /dev/null
+++ b/data/iphoneos-sdk/v1/map
@@ -0,0 +1,1926 @@
+// -*- C++ -*-
+//===----------------------------- map ------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_MAP
+#define _LIBCPP_MAP
+
+/*
+
+    map synopsis
+
+namespace std
+{
+
+template <class Key, class T, class Compare = less<Key>,
+          class Allocator = allocator<pair<const Key, T>>>
+class map
+{
+public:
+    // types:
+    typedef Key                                      key_type;
+    typedef T                                        mapped_type;
+    typedef pair<const key_type, mapped_type>        value_type;
+    typedef Compare                                  key_compare;
+    typedef Allocator                                allocator_type;
+    typedef typename allocator_type::reference       reference;
+    typedef typename allocator_type::const_reference const_reference;
+    typedef typename allocator_type::pointer         pointer;
+    typedef typename allocator_type::const_pointer   const_pointer;
+    typedef typename allocator_type::size_type       size_type;
+    typedef typename allocator_type::difference_type difference_type;
+
+    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;
+
+    class value_compare
+        : public binary_function<value_type, value_type, bool>
+    {
+        friend class map;
+    protected:
+        key_compare comp;
+
+        value_compare(key_compare c);
+    public:
+        bool operator()(const value_type& x, const value_type& y) const;
+    };
+
+    // construct/copy/destroy:
+    map()
+        noexcept(
+            is_nothrow_default_constructible<allocator_type>::value &&
+            is_nothrow_default_constructible<key_compare>::value &&
+            is_nothrow_copy_constructible<key_compare>::value);
+    explicit map(const key_compare& comp);
+    map(const key_compare& comp, const allocator_type& a);
+    template <class InputIterator>
+        map(InputIterator first, InputIterator last,
+            const key_compare& comp = key_compare());
+    template <class InputIterator>
+        map(InputIterator first, InputIterator last,
+            const key_compare& comp, const allocator_type& a);
+    map(const map& m);
+    map(map&& m)
+        noexcept(
+            is_nothrow_move_constructible<allocator_type>::value &&
+            is_nothrow_move_constructible<key_compare>::value);
+    explicit map(const allocator_type& a);
+    map(const map& m, const allocator_type& a);
+    map(map&& m, const allocator_type& a);
+    map(initializer_list<value_type> il, const key_compare& comp = key_compare());
+    map(initializer_list<value_type> il, const key_compare& comp, const allocator_type& a);
+    template <class InputIterator>
+        map(InputIterator first, InputIterator last, const allocator_type& a)
+            : map(first, last, Compare(), a) {}  // C++14
+    map(initializer_list<value_type> il, const allocator_type& a)
+        : map(il, Compare(), a) {}  // C++14
+   ~map();
+
+    map& operator=(const map& m);
+    map& operator=(map&& m)
+        noexcept(
+            allocator_type::propagate_on_container_move_assignment::value &&
+            is_nothrow_move_assignable<allocator_type>::value &&
+            is_nothrow_move_assignable<key_compare>::value);
+    map& 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;
+
+    // element access:
+    mapped_type& operator[](const key_type& k);
+    mapped_type& operator[](key_type&& k);
+
+          mapped_type& at(const key_type& k);
+    const mapped_type& at(const key_type& k) const;
+
+    // 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);                                // C++17
+    template <class P>
+        pair<iterator, bool> insert(P&& p);
+    iterator insert(const_iterator position, const value_type& v);
+    iterator insert(const_iterator position,       value_type&& v);                   // C++17
+    template <class P>
+        iterator insert(const_iterator position, P&& p);
+    template <class InputIterator>
+        void insert(InputIterator first, InputIterator last);
+    void insert(initializer_list<value_type> il);
+
+    template <class... Args>
+        pair<iterator, bool> try_emplace(const key_type& k, Args&&... args);          // C++17
+    template <class... Args>
+        pair<iterator, bool> try_emplace(key_type&& k, Args&&... args);               // C++17
+    template <class... Args>
+        iterator try_emplace(const_iterator hint, const key_type& k, Args&&... args); // C++17
+    template <class... Args>
+        iterator try_emplace(const_iterator hint, key_type&& k, Args&&... args);      // C++17
+    template <class M>
+        pair<iterator, bool> insert_or_assign(const key_type& k, M&& obj);            // C++17
+    template <class M>
+        pair<iterator, bool> insert_or_assign(key_type&& k, M&& obj);                 // C++17
+    template <class M>
+        iterator insert_or_assign(const_iterator hint, const key_type& k, M&& obj);   // C++17
+    template <class M>
+        iterator insert_or_assign(const_iterator hint, key_type&& k, M&& obj);        // 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;
+
+    void swap(map& m)
+        noexcept(allocator_traits<allocator_type>::is_always_equal::value &&
+            is_nothrow_swappable<key_compare>::value); // C++17
+
+    // observers:
+    allocator_type get_allocator() const noexcept;
+    key_compare    key_comp()      const;
+    value_compare  value_comp()    const;
+
+    // map operations:
+          iterator find(const key_type& k);
+    const_iterator find(const key_type& k) const;
+    template<typename K>
+        iterator find(const K& x);              // C++14
+    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;
+          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 Key, class T, class Compare, class Allocator>
+bool
+operator==(const map<Key, T, Compare, Allocator>& x,
+           const map<Key, T, Compare, Allocator>& y);
+
+template <class Key, class T, class Compare, class Allocator>
+bool
+operator< (const map<Key, T, Compare, Allocator>& x,
+           const map<Key, T, Compare, Allocator>& y);
+
+template <class Key, class T, class Compare, class Allocator>
+bool
+operator!=(const map<Key, T, Compare, Allocator>& x,
+           const map<Key, T, Compare, Allocator>& y);
+
+template <class Key, class T, class Compare, class Allocator>
+bool
+operator> (const map<Key, T, Compare, Allocator>& x,
+           const map<Key, T, Compare, Allocator>& y);
+
+template <class Key, class T, class Compare, class Allocator>
+bool
+operator>=(const map<Key, T, Compare, Allocator>& x,
+           const map<Key, T, Compare, Allocator>& y);
+
+template <class Key, class T, class Compare, class Allocator>
+bool
+operator<=(const map<Key, T, Compare, Allocator>& x,
+           const map<Key, T, Compare, Allocator>& y);
+
+// specialized algorithms:
+template <class Key, class T, class Compare, class Allocator>
+void
+swap(map<Key, T, Compare, Allocator>& x, map<Key, T, Compare, Allocator>& y)
+    noexcept(noexcept(x.swap(y)));
+
+template <class Key, class T, class Compare = less<Key>,
+          class Allocator = allocator<pair<const Key, T>>>
+class multimap
+{
+public:
+    // types:
+    typedef Key                                      key_type;
+    typedef T                                        mapped_type;
+    typedef pair<const key_type,mapped_type>         value_type;
+    typedef Compare                                  key_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;
+
+    class value_compare
+        : public binary_function<value_type,value_type,bool>
+    {
+        friend class multimap;
+    protected:
+        key_compare comp;
+        value_compare(key_compare c);
+    public:
+        bool operator()(const value_type& x, const value_type& y) const;
+    };
+
+    // construct/copy/destroy:
+    multimap()
+        noexcept(
+            is_nothrow_default_constructible<allocator_type>::value &&
+            is_nothrow_default_constructible<key_compare>::value &&
+            is_nothrow_copy_constructible<key_compare>::value);
+    explicit multimap(const key_compare& comp);
+    multimap(const key_compare& comp, const allocator_type& a);
+    template <class InputIterator>
+        multimap(InputIterator first, InputIterator last, const key_compare& comp);
+    template <class InputIterator>
+        multimap(InputIterator first, InputIterator last, const key_compare& comp,
+                 const allocator_type& a);
+    multimap(const multimap& m);
+    multimap(multimap&& m)
+        noexcept(
+            is_nothrow_move_constructible<allocator_type>::value &&
+            is_nothrow_move_constructible<key_compare>::value);
+    explicit multimap(const allocator_type& a);
+    multimap(const multimap& m, const allocator_type& a);
+    multimap(multimap&& m, const allocator_type& a);
+    multimap(initializer_list<value_type> il, const key_compare& comp = key_compare());
+    multimap(initializer_list<value_type> il, const key_compare& comp,
+             const allocator_type& a);
+    template <class InputIterator>
+        multimap(InputIterator first, InputIterator last, const allocator_type& a)
+            : multimap(first, last, Compare(), a) {} // C++14
+    multimap(initializer_list<value_type> il, const allocator_type& a)
+        : multimap(il, Compare(), a) {} // C++14
+    ~multimap();
+
+    multimap& operator=(const multimap& m);
+    multimap& operator=(multimap&& m)
+        noexcept(
+            allocator_type::propagate_on_container_move_assignment::value &&
+            is_nothrow_move_assignable<allocator_type>::value &&
+            is_nothrow_move_assignable<key_compare>::value);
+    multimap& 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);                                            // C++17
+    template <class P>
+        iterator insert(P&& p);
+    iterator insert(const_iterator position, const value_type& v);
+    iterator insert(const_iterator position,       value_type&& v);                   // C++17
+    template <class P>
+        iterator insert(const_iterator position, P&& p);
+    template <class InputIterator>
+        void insert(InputIterator first, InputIterator last);
+    void insert(initializer_list<value_type> il);
+
+    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;
+
+    void swap(multimap& m)
+        noexcept(allocator_traits<allocator_type>::is_always_equal::value &&
+            is_nothrow_swappable<key_compare>::value); // C++17
+
+    // observers:
+    allocator_type get_allocator() const noexcept;
+    key_compare    key_comp()      const;
+    value_compare  value_comp()    const;
+
+    // map operations:
+          iterator find(const key_type& k);
+    const_iterator find(const key_type& k) const;
+    template<typename K>
+        iterator find(const K& x);              // C++14
+    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;
+          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 Key, class T, class Compare, class Allocator>
+bool
+operator==(const multimap<Key, T, Compare, Allocator>& x,
+           const multimap<Key, T, Compare, Allocator>& y);
+
+template <class Key, class T, class Compare, class Allocator>
+bool
+operator< (const multimap<Key, T, Compare, Allocator>& x,
+           const multimap<Key, T, Compare, Allocator>& y);
+
+template <class Key, class T, class Compare, class Allocator>
+bool
+operator!=(const multimap<Key, T, Compare, Allocator>& x,
+           const multimap<Key, T, Compare, Allocator>& y);
+
+template <class Key, class T, class Compare, class Allocator>
+bool
+operator> (const multimap<Key, T, Compare, Allocator>& x,
+           const multimap<Key, T, Compare, Allocator>& y);
+
+template <class Key, class T, class Compare, class Allocator>
+bool
+operator>=(const multimap<Key, T, Compare, Allocator>& x,
+           const multimap<Key, T, Compare, Allocator>& y);
+
+template <class Key, class T, class Compare, class Allocator>
+bool
+operator<=(const multimap<Key, T, Compare, Allocator>& x,
+           const multimap<Key, T, Compare, Allocator>& y);
+
+// specialized algorithms:
+template <class Key, class T, class Compare, class Allocator>
+void
+swap(multimap<Key, T, Compare, Allocator>& x,
+     multimap<Key, T, Compare, Allocator>& y)
+    noexcept(noexcept(x.swap(y)));
+
+}  // std
+
+*/
+
+#include <__config>
+#include <__tree>
+#include <iterator>
+#include <memory>
+#include <utility>
+#include <functional>
+#include <initializer_list>
+#include <type_traits>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+template <class _Key, class _CP, class _Compare, bool _IsSmall>
+class __map_value_compare
+    : private _Compare
+{
+public:
+    _LIBCPP_INLINE_VISIBILITY
+    __map_value_compare()
+        _NOEXCEPT_(is_nothrow_default_constructible<_Compare>::value)
+        : _Compare() {}
+    _LIBCPP_INLINE_VISIBILITY
+    __map_value_compare(_Compare c)
+        _NOEXCEPT_(is_nothrow_copy_constructible<_Compare>::value)
+        : _Compare(c) {}
+    _LIBCPP_INLINE_VISIBILITY
+    const _Compare& key_comp() const _NOEXCEPT {return *this;}
+    _LIBCPP_INLINE_VISIBILITY
+    bool operator()(const _CP& __x, const _CP& __y) const
+        {return static_cast<const _Compare&>(*this)(__x.__cc.first, __y.__cc.first);}
+    _LIBCPP_INLINE_VISIBILITY
+    bool operator()(const _CP& __x, const _Key& __y) const
+        {return static_cast<const _Compare&>(*this)(__x.__cc.first, __y);}
+    _LIBCPP_INLINE_VISIBILITY
+    bool operator()(const _Key& __x, const _CP& __y) const
+        {return static_cast<const _Compare&>(*this)(__x, __y.__cc.first);}
+    void swap(__map_value_compare&__y)
+        _NOEXCEPT_(__is_nothrow_swappable<_Compare>::value)
+    {
+      using _VSTD::swap;
+      swap(static_cast<_Compare&>(*this), static_cast<_Compare&>(__y));
+    }
+
+#if _LIBCPP_STD_VER > 11
+    template <typename _K2>
+    _LIBCPP_INLINE_VISIBILITY
+    typename enable_if<__is_transparent<_Compare, _K2>::value, bool>::type
+    operator () ( const _K2& __x, const _CP& __y ) const
+        {return static_cast<const _Compare&>(*this) (__x, __y.__cc.first);}
+
+    template <typename _K2>
+    _LIBCPP_INLINE_VISIBILITY
+    typename enable_if<__is_transparent<_Compare, _K2>::value, bool>::type
+    operator () (const _CP& __x, const _K2& __y) const
+        {return static_cast<const _Compare&>(*this) (__x.__cc.first, __y);}
+#endif
+};
+
+template <class _Key, class _CP, class _Compare>
+class __map_value_compare<_Key, _CP, _Compare, false>
+{
+    _Compare comp;
+
+public:
+    _LIBCPP_INLINE_VISIBILITY
+    __map_value_compare()
+        _NOEXCEPT_(is_nothrow_default_constructible<_Compare>::value)
+        : comp() {}
+    _LIBCPP_INLINE_VISIBILITY
+    __map_value_compare(_Compare c)
+        _NOEXCEPT_(is_nothrow_copy_constructible<_Compare>::value)
+        : comp(c) {}
+    _LIBCPP_INLINE_VISIBILITY
+    const _Compare& key_comp() const _NOEXCEPT {return comp;}
+
+    _LIBCPP_INLINE_VISIBILITY
+    bool operator()(const _CP& __x, const _CP& __y) const
+        {return comp(__x.__cc.first, __y.__cc.first);}
+    _LIBCPP_INLINE_VISIBILITY
+    bool operator()(const _CP& __x, const _Key& __y) const
+        {return comp(__x.__cc.first, __y);}
+    _LIBCPP_INLINE_VISIBILITY
+    bool operator()(const _Key& __x, const _CP& __y) const
+        {return comp(__x, __y.__cc.first);}
+    void swap(__map_value_compare&__y)
+        _NOEXCEPT_(__is_nothrow_swappable<_Compare>::value)
+    {
+        using _VSTD::swap;
+        swap(comp, __y.comp);
+    }
+
+#if _LIBCPP_STD_VER > 11
+    template <typename _K2>
+    _LIBCPP_INLINE_VISIBILITY
+    typename enable_if<__is_transparent<_Compare, _K2>::value, bool>::type
+    operator () ( const _K2& __x, const _CP& __y ) const
+        {return comp (__x, __y.__cc.first);}
+
+    template <typename _K2>
+    _LIBCPP_INLINE_VISIBILITY
+    typename enable_if<__is_transparent<_Compare, _K2>::value, bool>::type
+    operator () (const _CP& __x, const _K2& __y) const
+        {return comp (__x.__cc.first, __y);}
+#endif
+};
+
+template <class _Key, class _CP, class _Compare, bool __b>
+inline _LIBCPP_INLINE_VISIBILITY
+void
+swap(__map_value_compare<_Key, _CP, _Compare, __b>& __x,
+     __map_value_compare<_Key, _CP, _Compare, __b>& __y)
+    _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
+{
+    __x.swap(__y);
+}
+
+template <class _Allocator>
+class __map_node_destructor
+{
+    typedef _Allocator                          allocator_type;
+    typedef allocator_traits<allocator_type>    __alloc_traits;
+
+public:
+    typedef typename __alloc_traits::pointer    pointer;
+
+private:
+    allocator_type& __na_;
+
+    __map_node_destructor& operator=(const __map_node_destructor&);
+
+public:
+    bool __first_constructed;
+    bool __second_constructed;
+
+    _LIBCPP_INLINE_VISIBILITY
+    explicit __map_node_destructor(allocator_type& __na) _NOEXCEPT
+        : __na_(__na),
+          __first_constructed(false),
+          __second_constructed(false)
+        {}
+
+#ifndef _LIBCPP_CXX03_LANG
+    _LIBCPP_INLINE_VISIBILITY
+    __map_node_destructor(__tree_node_destructor<allocator_type>&& __x) _NOEXCEPT
+        : __na_(__x.__na_),
+          __first_constructed(__x.__value_constructed),
+          __second_constructed(__x.__value_constructed)
+        {
+            __x.__value_constructed = false;
+        }
+#endif  // _LIBCPP_CXX03_LANG
+
+    _LIBCPP_INLINE_VISIBILITY
+    void operator()(pointer __p) _NOEXCEPT
+    {
+        if (__second_constructed)
+            __alloc_traits::destroy(__na_, _VSTD::addressof(__p->__value_.__cc.second));
+        if (__first_constructed)
+            __alloc_traits::destroy(__na_, _VSTD::addressof(__p->__value_.__cc.first));
+        if (__p)
+            __alloc_traits::deallocate(__na_, __p, 1);
+    }
+};
+
+template <class _Key, class _Tp, class _Compare, class _Allocator>
+    class map;
+template <class _Key, class _Tp, class _Compare, class _Allocator>
+    class multimap;
+template <class _TreeIterator> class __map_const_iterator;
+
+#ifndef _LIBCPP_CXX03_LANG
+
+template <class _Key, class _Tp>
+union __value_type
+{
+    typedef _Key                                     key_type;
+    typedef _Tp                                      mapped_type;
+    typedef pair<const key_type, mapped_type>        value_type;
+    typedef pair<key_type, mapped_type>              __nc_value_type;
+
+    value_type __cc;
+    __nc_value_type __nc;
+
+    _LIBCPP_INLINE_VISIBILITY
+    __value_type& operator=(const __value_type& __v)
+        {__nc = __v.__cc; return *this;}
+
+    _LIBCPP_INLINE_VISIBILITY
+    __value_type& operator=(__value_type&& __v)
+        {__nc = _VSTD::move(__v.__nc); return *this;}
+
+    template <class _ValueTp,
+              class = typename enable_if<
+                    __is_same_uncvref<_ValueTp, value_type>::value
+                 >::type
+             >
+    _LIBCPP_INLINE_VISIBILITY
+    __value_type& operator=(_ValueTp&& __v) {
+        __nc = _VSTD::forward<_ValueTp>(__v); return *this;
+    }
+
+private:
+    __value_type() _LIBCPP_EQUAL_DELETE;
+    ~__value_type() _LIBCPP_EQUAL_DELETE;
+    __value_type(const __value_type& __v) _LIBCPP_EQUAL_DELETE;
+    __value_type(__value_type&& __v) _LIBCPP_EQUAL_DELETE;
+};
+
+#else
+
+template <class _Key, class _Tp>
+struct __value_type
+{
+    typedef _Key                                     key_type;
+    typedef _Tp                                      mapped_type;
+    typedef pair<const key_type, mapped_type>        value_type;
+
+    value_type __cc;
+
+private:
+   __value_type();
+   __value_type(__value_type const&);
+   __value_type& operator=(__value_type const&);
+   ~__value_type();
+};
+
+#endif // _LIBCPP_CXX03_LANG
+
+template <class _Tp>
+struct __extract_key_value_types;
+
+template <class _Key, class _Tp>
+struct __extract_key_value_types<__value_type<_Key, _Tp> >
+{
+  typedef _Key const __key_type;
+  typedef _Tp        __mapped_type;
+};
+
+template <class _TreeIterator>
+class _LIBCPP_TEMPLATE_VIS __map_iterator
+{
+    typedef typename _TreeIterator::_NodeTypes                   _NodeTypes;
+    typedef typename _TreeIterator::__pointer_traits             __pointer_traits;
+
+    _TreeIterator __i_;
+
+public:
+    typedef bidirectional_iterator_tag                           iterator_category;
+    typedef typename _NodeTypes::__map_value_type                value_type;
+    typedef typename _TreeIterator::difference_type              difference_type;
+    typedef value_type&                                          reference;
+    typedef typename _NodeTypes::__map_value_type_pointer        pointer;
+
+    _LIBCPP_INLINE_VISIBILITY
+    __map_iterator() _NOEXCEPT {}
+
+    _LIBCPP_INLINE_VISIBILITY
+    __map_iterator(_TreeIterator __i) _NOEXCEPT : __i_(__i) {}
+
+    _LIBCPP_INLINE_VISIBILITY
+    reference operator*() const {return __i_->__cc;}
+    _LIBCPP_INLINE_VISIBILITY
+    pointer operator->() const {return pointer_traits<pointer>::pointer_to(__i_->__cc);}
+
+    _LIBCPP_INLINE_VISIBILITY
+    __map_iterator& operator++() {++__i_; return *this;}
+    _LIBCPP_INLINE_VISIBILITY
+    __map_iterator operator++(int)
+    {
+        __map_iterator __t(*this);
+        ++(*this);
+        return __t;
+    }
+
+    _LIBCPP_INLINE_VISIBILITY
+    __map_iterator& operator--() {--__i_; return *this;}
+    _LIBCPP_INLINE_VISIBILITY
+    __map_iterator operator--(int)
+    {
+        __map_iterator __t(*this);
+        --(*this);
+        return __t;
+    }
+
+    friend _LIBCPP_INLINE_VISIBILITY
+    bool operator==(const __map_iterator& __x, const __map_iterator& __y)
+        {return __x.__i_ == __y.__i_;}
+    friend
+    _LIBCPP_INLINE_VISIBILITY
+    bool operator!=(const __map_iterator& __x, const __map_iterator& __y)
+        {return __x.__i_ != __y.__i_;}
+
+    template <class, class, class, class> friend class _LIBCPP_TEMPLATE_VIS map;
+    template <class, class, class, class> friend class _LIBCPP_TEMPLATE_VIS multimap;
+    template <class> friend class _LIBCPP_TEMPLATE_VIS __map_const_iterator;
+};
+
+template <class _TreeIterator>
+class _LIBCPP_TEMPLATE_VIS __map_const_iterator
+{
+    typedef typename _TreeIterator::_NodeTypes                   _NodeTypes;
+    typedef typename _TreeIterator::__pointer_traits             __pointer_traits;
+
+    _TreeIterator __i_;
+
+public:
+    typedef bidirectional_iterator_tag                           iterator_category;
+    typedef typename _NodeTypes::__map_value_type                value_type;
+    typedef typename _TreeIterator::difference_type              difference_type;
+    typedef const value_type&                                    reference;
+    typedef typename _NodeTypes::__const_map_value_type_pointer  pointer;
+
+    _LIBCPP_INLINE_VISIBILITY
+    __map_const_iterator() _NOEXCEPT {}
+
+    _LIBCPP_INLINE_VISIBILITY
+    __map_const_iterator(_TreeIterator __i) _NOEXCEPT : __i_(__i) {}
+    _LIBCPP_INLINE_VISIBILITY
+    __map_const_iterator(__map_iterator<
+        typename _TreeIterator::__non_const_iterator> __i) _NOEXCEPT
+        : __i_(__i.__i_) {}
+
+    _LIBCPP_INLINE_VISIBILITY
+    reference operator*() const {return __i_->__cc;}
+    _LIBCPP_INLINE_VISIBILITY
+    pointer operator->() const {return pointer_traits<pointer>::pointer_to(__i_->__cc);}
+
+    _LIBCPP_INLINE_VISIBILITY
+    __map_const_iterator& operator++() {++__i_; return *this;}
+    _LIBCPP_INLINE_VISIBILITY
+    __map_const_iterator operator++(int)
+    {
+        __map_const_iterator __t(*this);
+        ++(*this);
+        return __t;
+    }
+
+    _LIBCPP_INLINE_VISIBILITY
+    __map_const_iterator& operator--() {--__i_; return *this;}
+    _LIBCPP_INLINE_VISIBILITY
+    __map_const_iterator operator--(int)
+    {
+        __map_const_iterator __t(*this);
+        --(*this);
+        return __t;
+    }
+
+    friend _LIBCPP_INLINE_VISIBILITY
+    bool operator==(const __map_const_iterator& __x, const __map_const_iterator& __y)
+        {return __x.__i_ == __y.__i_;}
+    friend _LIBCPP_INLINE_VISIBILITY
+    bool operator!=(const __map_const_iterator& __x, const __map_const_iterator& __y)
+        {return __x.__i_ != __y.__i_;}
+
+    template <class, class, class, class> friend class _LIBCPP_TEMPLATE_VIS map;
+    template <class, class, class, class> friend class _LIBCPP_TEMPLATE_VIS multimap;
+    template <class, class, class> friend class _LIBCPP_TEMPLATE_VIS __tree_const_iterator;
+};
+
+template <class _Key, class _Tp, class _Compare = less<_Key>,
+          class _Allocator = allocator<pair<const _Key, _Tp> > >
+class _LIBCPP_TEMPLATE_VIS map
+{
+public:
+    // types:
+    typedef _Key                                     key_type;
+    typedef _Tp                                      mapped_type;
+    typedef pair<const key_type, mapped_type>        value_type;
+    typedef pair<key_type, mapped_type>              __nc_value_type;
+    typedef _Compare                                 key_compare;
+    typedef _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");
+
+    class _LIBCPP_TEMPLATE_VIS value_compare
+        : public binary_function<value_type, value_type, bool>
+    {
+        friend class map;
+    protected:
+        key_compare comp;
+
+        _LIBCPP_INLINE_VISIBILITY value_compare(key_compare c) : comp(c) {}
+    public:
+        _LIBCPP_INLINE_VISIBILITY
+        bool operator()(const value_type& __x, const value_type& __y) const
+            {return comp(__x.first, __y.first);}
+    };
+
+private:
+
+    typedef _VSTD::__value_type<key_type, mapped_type>             __value_type;
+    typedef __map_value_compare<key_type, __value_type, key_compare> __vc;
+    typedef typename __rebind_alloc_helper<allocator_traits<allocator_type>,
+                                                 __value_type>::type __allocator_type;
+    typedef __tree<__value_type, __vc, __allocator_type>   __base;
+    typedef typename __base::__node_traits                 __node_traits;
+    typedef allocator_traits<allocator_type>               __alloc_traits;
+
+    __base __tree_;
+
+public:
+    typedef typename __alloc_traits::pointer               pointer;
+    typedef typename __alloc_traits::const_pointer         const_pointer;
+    typedef typename __alloc_traits::size_type             size_type;
+    typedef typename __alloc_traits::difference_type       difference_type;
+    typedef __map_iterator<typename __base::iterator>             iterator;
+    typedef __map_const_iterator<typename __base::const_iterator> const_iterator;
+    typedef _VSTD::reverse_iterator<iterator>               reverse_iterator;
+    typedef _VSTD::reverse_iterator<const_iterator>         const_reverse_iterator;
+
+    _LIBCPP_INLINE_VISIBILITY
+    map()
+        _NOEXCEPT_(
+            is_nothrow_default_constructible<allocator_type>::value &&
+            is_nothrow_default_constructible<key_compare>::value &&
+            is_nothrow_copy_constructible<key_compare>::value)
+        : __tree_(__vc(key_compare())) {}
+
+    _LIBCPP_INLINE_VISIBILITY
+    explicit map(const key_compare& __comp)
+        _NOEXCEPT_(
+            is_nothrow_default_constructible<allocator_type>::value &&
+            is_nothrow_copy_constructible<key_compare>::value)
+        : __tree_(__vc(__comp)) {}
+
+    _LIBCPP_INLINE_VISIBILITY
+    explicit map(const key_compare& __comp, const allocator_type& __a)
+        : __tree_(__vc(__comp), typename __base::allocator_type(__a)) {}
+
+    template <class _InputIterator>
+    _LIBCPP_INLINE_VISIBILITY
+        map(_InputIterator __f, _InputIterator __l,
+            const key_compare& __comp = key_compare())
+        : __tree_(__vc(__comp))
+        {
+            insert(__f, __l);
+        }
+
+    template <class _InputIterator>
+    _LIBCPP_INLINE_VISIBILITY
+        map(_InputIterator __f, _InputIterator __l,
+            const key_compare& __comp, const allocator_type& __a)
+        : __tree_(__vc(__comp), typename __base::allocator_type(__a))
+        {
+            insert(__f, __l);
+        }
+
+#if _LIBCPP_STD_VER > 11
+    template <class _InputIterator>
+    _LIBCPP_INLINE_VISIBILITY
+    map(_InputIterator __f, _InputIterator __l, const allocator_type& __a)
+        : map(__f, __l, key_compare(), __a) {}
+#endif
+
+    _LIBCPP_INLINE_VISIBILITY
+    map(const map& __m)
+        : __tree_(__m.__tree_)
+        {
+            insert(__m.begin(), __m.end());
+        }
+
+    _LIBCPP_INLINE_VISIBILITY
+    map& operator=(const map& __m)
+        {
+#ifndef _LIBCPP_CXX03_LANG
+            __tree_ = __m.__tree_;
+#else
+            if (this != &__m) {
+                __tree_.clear();
+                __tree_.value_comp() = __m.__tree_.value_comp();
+                __tree_.__copy_assign_alloc(__m.__tree_);
+                insert(__m.begin(), __m.end());
+            }
+#endif
+            return *this;
+        }
+
+#ifndef _LIBCPP_CXX03_LANG
+
+    _LIBCPP_INLINE_VISIBILITY
+    map(map&& __m)
+        _NOEXCEPT_(is_nothrow_move_constructible<__base>::value)
+        : __tree_(_VSTD::move(__m.__tree_))
+        {
+        }
+
+    map(map&& __m, const allocator_type& __a);
+
+    _LIBCPP_INLINE_VISIBILITY
+    map& operator=(map&& __m)
+        _NOEXCEPT_(is_nothrow_move_assignable<__base>::value)
+        {
+            __tree_ = _VSTD::move(__m.__tree_);
+            return *this;
+        }
+
+    _LIBCPP_INLINE_VISIBILITY
+    map(initializer_list<value_type> __il, const key_compare& __comp = key_compare())
+        : __tree_(__vc(__comp))
+        {
+            insert(__il.begin(), __il.end());
+        }
+
+    _LIBCPP_INLINE_VISIBILITY
+    map(initializer_list<value_type> __il, const key_compare& __comp, const allocator_type& __a)
+        : __tree_(__vc(__comp), typename __base::allocator_type(__a))
+        {
+            insert(__il.begin(), __il.end());
+        }
+
+#if _LIBCPP_STD_VER > 11
+    _LIBCPP_INLINE_VISIBILITY
+    map(initializer_list<value_type> __il, const allocator_type& __a)
+        : map(__il, key_compare(), __a) {}
+#endif
+
+    _LIBCPP_INLINE_VISIBILITY
+    map& operator=(initializer_list<value_type> __il)
+        {
+            __tree_.__assign_unique(__il.begin(), __il.end());
+            return *this;
+        }
+
+#endif  // _LIBCPP_CXX03_LANG
+
+    _LIBCPP_INLINE_VISIBILITY
+    explicit map(const allocator_type& __a)
+        : __tree_(typename __base::allocator_type(__a))
+        {
+        }
+
+    _LIBCPP_INLINE_VISIBILITY
+    map(const map& __m, const allocator_type& __a)
+        : __tree_(__m.__tree_.value_comp(), typename __base::allocator_type(__a))
+        {
+            insert(__m.begin(), __m.end());
+        }
+
+    _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();}
+
+    mapped_type& operator[](const key_type& __k);
+#ifndef _LIBCPP_CXX03_LANG
+    mapped_type& operator[](key_type&& __k);
+#endif
+
+          mapped_type& at(const key_type& __k);
+    const mapped_type& at(const key_type& __k) const;
+
+    _LIBCPP_INLINE_VISIBILITY
+    allocator_type get_allocator() const _NOEXCEPT {return allocator_type(__tree_.__alloc());}
+    _LIBCPP_INLINE_VISIBILITY
+    key_compare    key_comp()      const {return __tree_.value_comp().key_comp();}
+    _LIBCPP_INLINE_VISIBILITY
+    value_compare  value_comp()    const {return value_compare(__tree_.value_comp().key_comp());}
+
+#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.__i_, _VSTD::forward<_Args>(__args)...);
+    }
+
+    template <class _Pp,
+              class = typename enable_if<is_constructible<value_type, _Pp>::value>::type>
+        _LIBCPP_INLINE_VISIBILITY
+        pair<iterator, bool> insert(_Pp&& __p)
+            {return __tree_.__insert_unique(_VSTD::forward<_Pp>(__p));}
+
+    template <class _Pp,
+              class = typename enable_if<is_constructible<value_type, _Pp>::value>::type>
+        _LIBCPP_INLINE_VISIBILITY
+        iterator insert(const_iterator __pos, _Pp&& __p)
+            {return __tree_.__insert_unique(__pos.__i_, _VSTD::forward<_Pp>(__p));}
+
+#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.__i_, __v);}
+
+#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.__i_, _VSTD::move(__v));}
+
+    _LIBCPP_INLINE_VISIBILITY
+    void insert(initializer_list<value_type> __il)
+        {insert(__il.begin(), __il.end());}
+#endif
+
+    template <class _InputIterator>
+        _LIBCPP_INLINE_VISIBILITY
+        void insert(_InputIterator __f, _InputIterator __l)
+        {
+            for (const_iterator __e = cend(); __f != __l; ++__f)
+                insert(__e.__i_, *__f);
+        }
+
+#if _LIBCPP_STD_VER > 14
+
+    template <class... _Args>
+        _LIBCPP_INLINE_VISIBILITY
+        pair<iterator, bool> try_emplace(const key_type& __k, _Args&&... __args)
+    {
+        return __tree_.__emplace_unique_key_args(__k,
+            _VSTD::piecewise_construct,
+            _VSTD::forward_as_tuple(__k),
+            _VSTD::forward_as_tuple(_VSTD::forward<_Args>(__args)...));
+    }
+
+    template <class... _Args>
+        _LIBCPP_INLINE_VISIBILITY
+        pair<iterator, bool> try_emplace(key_type&& __k, _Args&&... __args)
+    {
+        return __tree_.__emplace_unique_key_args(__k,
+            _VSTD::piecewise_construct,
+            _VSTD::forward_as_tuple(_VSTD::move(__k)),
+            _VSTD::forward_as_tuple(_VSTD::forward<_Args>(__args)...));
+    }
+
+    template <class... _Args>
+        _LIBCPP_INLINE_VISIBILITY
+        iterator try_emplace(const_iterator __h, const key_type& __k, _Args&&... __args)
+    {
+        return __tree_.__emplace_hint_unique_key_args(__h.__i_, __k,
+            _VSTD::piecewise_construct,
+            _VSTD::forward_as_tuple(__k),
+            _VSTD::forward_as_tuple(_VSTD::forward<_Args>(__args)...));
+    }
+
+    template <class... _Args>
+        _LIBCPP_INLINE_VISIBILITY
+        iterator try_emplace(const_iterator __h, key_type&& __k, _Args&&... __args)
+    {
+        return __tree_.__emplace_hint_unique_key_args(__h.__i_, __k,
+            _VSTD::piecewise_construct,
+            _VSTD::forward_as_tuple(_VSTD::move(__k)),
+            _VSTD::forward_as_tuple(_VSTD::forward<_Args>(__args)...));
+    }
+
+    template <class _Vp>
+        _LIBCPP_INLINE_VISIBILITY
+        pair<iterator, bool> insert_or_assign(const key_type& __k, _Vp&& __v)
+    {
+        iterator __p = lower_bound(__k);
+        if ( __p != end() && !key_comp()(__k, __p->first))
+        {
+            __p->second = _VSTD::forward<_Vp>(__v);
+            return _VSTD::make_pair(__p, false);
+        }
+        return _VSTD::make_pair(emplace_hint(__p, __k, _VSTD::forward<_Vp>(__v)), true);
+    }
+
+    template <class _Vp>
+        _LIBCPP_INLINE_VISIBILITY
+        pair<iterator, bool> insert_or_assign(key_type&& __k, _Vp&& __v)
+    {
+        iterator __p = lower_bound(__k);
+        if ( __p != end() && !key_comp()(__k, __p->first))
+        {
+            __p->second = _VSTD::forward<_Vp>(__v);
+            return _VSTD::make_pair(__p, false);
+        }
+        return _VSTD::make_pair(emplace_hint(__p, _VSTD::move(__k), _VSTD::forward<_Vp>(__v)), true);
+    }
+
+    template <class _Vp>
+        _LIBCPP_INLINE_VISIBILITY
+        iterator insert_or_assign(const_iterator __h, const key_type& __k, _Vp&& __v)
+     {
+        iterator __p = lower_bound(__k);
+        if ( __p != end() && !key_comp()(__k, __p->first))
+        {
+            __p->second = _VSTD::forward<_Vp>(__v);
+            return __p;
+        }
+        return emplace_hint(__h, __k, _VSTD::forward<_Vp>(__v));
+     }
+
+    template <class _Vp>
+        _LIBCPP_INLINE_VISIBILITY
+        iterator insert_or_assign(const_iterator __h, key_type&& __k, _Vp&& __v)
+     {
+        iterator __p = lower_bound(__k);
+        if ( __p != end() && !key_comp()(__k, __p->first))
+        {
+            __p->second = _VSTD::forward<_Vp>(__v);
+            return __p;
+        }
+        return emplace_hint(__h, _VSTD::move(__k), _VSTD::forward<_Vp>(__v));
+     }
+
+#endif // _LIBCPP_STD_VER > 14
+
+    _LIBCPP_INLINE_VISIBILITY
+    iterator erase(const_iterator __p) {return __tree_.erase(__p.__i_);}
+    _LIBCPP_INLINE_VISIBILITY
+    iterator erase(iterator __p)       {return __tree_.erase(__p.__i_);}
+    _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.__i_, __l.__i_);}
+    _LIBCPP_INLINE_VISIBILITY
+    void clear() _NOEXCEPT {__tree_.clear();}
+
+    _LIBCPP_INLINE_VISIBILITY
+    void swap(map& __m)
+        _NOEXCEPT_(__is_nothrow_swappable<__base>::value)
+        {__tree_.swap(__m.__tree_);}
+
+    _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 > 11
+    template <typename _K2>
+    _LIBCPP_INLINE_VISIBILITY
+    typename enable_if<__is_transparent<_Compare, _K2>::value,iterator>::type
+    find(const _K2& __k)                           {return __tree_.find(__k);}
+    template <typename _K2>
+    _LIBCPP_INLINE_VISIBILITY
+    typename enable_if<__is_transparent<_Compare, _K2>::value,const_iterator>::type
+    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 > 11
+    template <typename _K2>
+    _LIBCPP_INLINE_VISIBILITY
+    typename enable_if<__is_transparent<_Compare, _K2>::value,size_type>::type
+    count(const _K2& __k) const {return __tree_.__count_unique(__k);}
+#endif
+    _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 > 11
+    template <typename _K2>
+    _LIBCPP_INLINE_VISIBILITY
+    typename enable_if<__is_transparent<_Compare, _K2>::value,iterator>::type
+    lower_bound(const _K2& __k)       {return __tree_.lower_bound(__k);}
+
+    template <typename _K2>
+    _LIBCPP_INLINE_VISIBILITY
+    typename enable_if<__is_transparent<_Compare, _K2>::value,const_iterator>::type
+    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 > 11
+    template <typename _K2>
+    _LIBCPP_INLINE_VISIBILITY
+    typename enable_if<__is_transparent<_Compare, _K2>::value,iterator>::type
+    upper_bound(const _K2& __k)       {return __tree_.upper_bound(__k);}
+    template <typename _K2>
+    _LIBCPP_INLINE_VISIBILITY
+    typename enable_if<__is_transparent<_Compare, _K2>::value,const_iterator>::type
+    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 > 11
+    template <typename _K2>
+    _LIBCPP_INLINE_VISIBILITY
+    typename enable_if<__is_transparent<_Compare, _K2>::value,pair<iterator,iterator>>::type
+    equal_range(const _K2& __k)       {return __tree_.__equal_range_unique(__k);}
+    template <typename _K2>
+    _LIBCPP_INLINE_VISIBILITY
+    typename enable_if<__is_transparent<_Compare, _K2>::value,pair<const_iterator,const_iterator>>::type
+    equal_range(const _K2& __k) const {return __tree_.__equal_range_unique(__k);}
+#endif
+
+private:
+    typedef typename __base::__node                    __node;
+    typedef typename __base::__node_allocator          __node_allocator;
+    typedef typename __base::__node_pointer            __node_pointer;
+    typedef typename __base::__node_base_pointer       __node_base_pointer;
+    typedef typename __base::__parent_pointer          __parent_pointer;
+
+    typedef __map_node_destructor<__node_allocator> _Dp;
+    typedef unique_ptr<__node, _Dp> __node_holder;
+
+#ifdef _LIBCPP_CXX03_LANG
+    __node_holder __construct_node_with_key(const key_type& __k);
+#endif
+};
+
+
+#ifndef _LIBCPP_CXX03_LANG
+template <class _Key, class _Tp, class _Compare, class _Allocator>
+map<_Key, _Tp, _Compare, _Allocator>::map(map&& __m, const allocator_type& __a)
+    : __tree_(_VSTD::move(__m.__tree_), typename __base::allocator_type(__a))
+{
+    if (__a != __m.get_allocator())
+    {
+        const_iterator __e = cend();
+        while (!__m.empty())
+            __tree_.__insert_unique(__e.__i_,
+                    _VSTD::move(__m.__tree_.remove(__m.begin().__i_)->__value_.__nc));
+    }
+}
+
+template <class _Key, class _Tp, class _Compare, class _Allocator>
+_Tp&
+map<_Key, _Tp, _Compare, _Allocator>::operator[](const key_type& __k)
+{
+    return __tree_.__emplace_unique_key_args(__k,
+        _VSTD::piecewise_construct,
+        _VSTD::forward_as_tuple(__k),
+        _VSTD::forward_as_tuple()).first->__cc.second;
+}
+
+template <class _Key, class _Tp, class _Compare, class _Allocator>
+_Tp&
+map<_Key, _Tp, _Compare, _Allocator>::operator[](key_type&& __k)
+{
+    return __tree_.__emplace_unique_key_args(__k,
+        _VSTD::piecewise_construct,
+        _VSTD::forward_as_tuple(_VSTD::move(__k)),
+        _VSTD::forward_as_tuple()).first->__cc.second;
+}
+
+#else // _LIBCPP_CXX03_LANG
+
+template <class _Key, class _Tp, class _Compare, class _Allocator>
+typename map<_Key, _Tp, _Compare, _Allocator>::__node_holder
+map<_Key, _Tp, _Compare, _Allocator>::__construct_node_with_key(const key_type& __k)
+{
+    __node_allocator& __na = __tree_.__node_alloc();
+    __node_holder __h(__node_traits::allocate(__na, 1), _Dp(__na));
+    __node_traits::construct(__na, _VSTD::addressof(__h->__value_.__cc.first), __k);
+    __h.get_deleter().__first_constructed = true;
+    __node_traits::construct(__na, _VSTD::addressof(__h->__value_.__cc.second));
+    __h.get_deleter().__second_constructed = true;
+    return _LIBCPP_EXPLICIT_MOVE(__h);  // explicitly moved for C++03
+}
+
+template <class _Key, class _Tp, class _Compare, class _Allocator>
+_Tp&
+map<_Key, _Tp, _Compare, _Allocator>::operator[](const key_type& __k)
+{
+    __parent_pointer __parent;
+    __node_base_pointer& __child = __tree_.__find_equal(__parent, __k);
+    __node_pointer __r = static_cast<__node_pointer>(__child);
+    if (__child == nullptr)
+    {
+        __node_holder __h = __construct_node_with_key(__k);
+        __tree_.__insert_node_at(__parent, __child, static_cast<__node_base_pointer>(__h.get()));
+        __r = __h.release();
+    }
+    return __r->__value_.__cc.second;
+}
+
+#endif  // _LIBCPP_CXX03_LANG
+
+template <class _Key, class _Tp, class _Compare, class _Allocator>
+_Tp&
+map<_Key, _Tp, _Compare, _Allocator>::at(const key_type& __k)
+{
+    __parent_pointer __parent;
+    __node_base_pointer& __child = __tree_.__find_equal(__parent, __k);
+#ifndef _LIBCPP_NO_EXCEPTIONS
+    if (__child == nullptr)
+        throw out_of_range("map::at:  key not found");
+#endif  // _LIBCPP_NO_EXCEPTIONS
+    return static_cast<__node_pointer>(__child)->__value_.__cc.second;
+}
+
+template <class _Key, class _Tp, class _Compare, class _Allocator>
+const _Tp&
+map<_Key, _Tp, _Compare, _Allocator>::at(const key_type& __k) const
+{
+    __parent_pointer __parent;
+    __node_base_pointer __child = __tree_.__find_equal(__parent, __k);
+#ifndef _LIBCPP_NO_EXCEPTIONS
+    if (__child == nullptr)
+        throw out_of_range("map::at:  key not found");
+#endif  // _LIBCPP_NO_EXCEPTIONS
+    return static_cast<__node_pointer>(__child)->__value_.__cc.second;
+}
+
+
+template <class _Key, class _Tp, class _Compare, class _Allocator>
+inline _LIBCPP_INLINE_VISIBILITY
+bool
+operator==(const map<_Key, _Tp, _Compare, _Allocator>& __x,
+           const map<_Key, _Tp, _Compare, _Allocator>& __y)
+{
+    return __x.size() == __y.size() && _VSTD::equal(__x.begin(), __x.end(), __y.begin());
+}
+
+template <class _Key, class _Tp, class _Compare, class _Allocator>
+inline _LIBCPP_INLINE_VISIBILITY
+bool
+operator< (const map<_Key, _Tp, _Compare, _Allocator>& __x,
+           const map<_Key, _Tp, _Compare, _Allocator>& __y)
+{
+    return _VSTD::lexicographical_compare(__x.begin(), __x.end(), __y.begin(), __y.end());
+}
+
+template <class _Key, class _Tp, class _Compare, class _Allocator>
+inline _LIBCPP_INLINE_VISIBILITY
+bool
+operator!=(const map<_Key, _Tp, _Compare, _Allocator>& __x,
+           const map<_Key, _Tp, _Compare, _Allocator>& __y)
+{
+    return !(__x == __y);
+}
+
+template <class _Key, class _Tp, class _Compare, class _Allocator>
+inline _LIBCPP_INLINE_VISIBILITY
+bool
+operator> (const map<_Key, _Tp, _Compare, _Allocator>& __x,
+           const map<_Key, _Tp, _Compare, _Allocator>& __y)
+{
+    return __y < __x;
+}
+
+template <class _Key, class _Tp, class _Compare, class _Allocator>
+inline _LIBCPP_INLINE_VISIBILITY
+bool
+operator>=(const map<_Key, _Tp, _Compare, _Allocator>& __x,
+           const map<_Key, _Tp, _Compare, _Allocator>& __y)
+{
+    return !(__x < __y);
+}
+
+template <class _Key, class _Tp, class _Compare, class _Allocator>
+inline _LIBCPP_INLINE_VISIBILITY
+bool
+operator<=(const map<_Key, _Tp, _Compare, _Allocator>& __x,
+           const map<_Key, _Tp, _Compare, _Allocator>& __y)
+{
+    return !(__y < __x);
+}
+
+template <class _Key, class _Tp, class _Compare, class _Allocator>
+inline _LIBCPP_INLINE_VISIBILITY
+void
+swap(map<_Key, _Tp, _Compare, _Allocator>& __x,
+     map<_Key, _Tp, _Compare, _Allocator>& __y)
+    _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
+{
+    __x.swap(__y);
+}
+
+template <class _Key, class _Tp, class _Compare = less<_Key>,
+          class _Allocator = allocator<pair<const _Key, _Tp> > >
+class _LIBCPP_TEMPLATE_VIS multimap
+{
+public:
+    // types:
+    typedef _Key                                     key_type;
+    typedef _Tp                                      mapped_type;
+    typedef pair<const key_type, mapped_type>        value_type;
+    typedef pair<key_type, mapped_type>              __nc_value_type;
+    typedef _Compare                                 key_compare;
+    typedef _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");
+
+    class _LIBCPP_TEMPLATE_VIS value_compare
+        : public binary_function<value_type, value_type, bool>
+    {
+        friend class multimap;
+    protected:
+        key_compare comp;
+
+        _LIBCPP_INLINE_VISIBILITY
+        value_compare(key_compare c) : comp(c) {}
+    public:
+        _LIBCPP_INLINE_VISIBILITY
+        bool operator()(const value_type& __x, const value_type& __y) const
+            {return comp(__x.first, __y.first);}
+    };
+
+private:
+
+    typedef _VSTD::__value_type<key_type, mapped_type>             __value_type;
+    typedef __map_value_compare<key_type, __value_type, key_compare> __vc;
+    typedef typename __rebind_alloc_helper<allocator_traits<allocator_type>,
+                                                 __value_type>::type __allocator_type;
+    typedef __tree<__value_type, __vc, __allocator_type>            __base;
+    typedef typename __base::__node_traits                          __node_traits;
+    typedef allocator_traits<allocator_type>                        __alloc_traits;
+
+    __base __tree_;
+
+public:
+    typedef typename __alloc_traits::pointer               pointer;
+    typedef typename __alloc_traits::const_pointer         const_pointer;
+    typedef typename __alloc_traits::size_type             size_type;
+    typedef typename __alloc_traits::difference_type       difference_type;
+    typedef __map_iterator<typename __base::iterator>      iterator;
+    typedef __map_const_iterator<typename __base::const_iterator> const_iterator;
+    typedef _VSTD::reverse_iterator<iterator>               reverse_iterator;
+    typedef _VSTD::reverse_iterator<const_iterator>         const_reverse_iterator;
+
+    _LIBCPP_INLINE_VISIBILITY
+    multimap()
+        _NOEXCEPT_(
+            is_nothrow_default_constructible<allocator_type>::value &&
+            is_nothrow_default_constructible<key_compare>::value &&
+            is_nothrow_copy_constructible<key_compare>::value)
+        : __tree_(__vc(key_compare())) {}
+
+    _LIBCPP_INLINE_VISIBILITY
+    explicit multimap(const key_compare& __comp)
+        _NOEXCEPT_(
+            is_nothrow_default_constructible<allocator_type>::value &&
+            is_nothrow_copy_constructible<key_compare>::value)
+        : __tree_(__vc(__comp)) {}
+
+    _LIBCPP_INLINE_VISIBILITY
+    explicit multimap(const key_compare& __comp, const allocator_type& __a)
+        : __tree_(__vc(__comp), typename __base::allocator_type(__a)) {}
+
+    template <class _InputIterator>
+        _LIBCPP_INLINE_VISIBILITY
+        multimap(_InputIterator __f, _InputIterator __l,
+            const key_compare& __comp = key_compare())
+        : __tree_(__vc(__comp))
+        {
+            insert(__f, __l);
+        }
+
+    template <class _InputIterator>
+        _LIBCPP_INLINE_VISIBILITY
+        multimap(_InputIterator __f, _InputIterator __l,
+            const key_compare& __comp, const allocator_type& __a)
+        : __tree_(__vc(__comp), typename __base::allocator_type(__a))
+        {
+            insert(__f, __l);
+        }
+
+#if _LIBCPP_STD_VER > 11
+    template <class _InputIterator>
+    _LIBCPP_INLINE_VISIBILITY
+    multimap(_InputIterator __f, _InputIterator __l, const allocator_type& __a)
+        : multimap(__f, __l, key_compare(), __a) {}
+#endif
+
+    _LIBCPP_INLINE_VISIBILITY
+    multimap(const multimap& __m)
+        : __tree_(__m.__tree_.value_comp(),
+          __alloc_traits::select_on_container_copy_construction(__m.__tree_.__alloc()))
+        {
+            insert(__m.begin(), __m.end());
+        }
+
+    _LIBCPP_INLINE_VISIBILITY
+    multimap& operator=(const multimap& __m)
+        {
+#ifndef _LIBCPP_CXX03_LANG
+            __tree_ = __m.__tree_;
+#else
+            if (this != &__m) {
+                __tree_.clear();
+                __tree_.value_comp() = __m.__tree_.value_comp();
+                __tree_.__copy_assign_alloc(__m.__tree_);
+                insert(__m.begin(), __m.end());
+            }
+#endif
+            return *this;
+        }
+
+#ifndef _LIBCPP_CXX03_LANG
+
+    _LIBCPP_INLINE_VISIBILITY
+    multimap(multimap&& __m)
+        _NOEXCEPT_(is_nothrow_move_constructible<__base>::value)
+        : __tree_(_VSTD::move(__m.__tree_))
+        {
+        }
+
+    multimap(multimap&& __m, const allocator_type& __a);
+
+    _LIBCPP_INLINE_VISIBILITY
+    multimap& operator=(multimap&& __m)
+        _NOEXCEPT_(is_nothrow_move_assignable<__base>::value)
+        {
+            __tree_ = _VSTD::move(__m.__tree_);
+            return *this;
+        }
+
+    _LIBCPP_INLINE_VISIBILITY
+    multimap(initializer_list<value_type> __il, const key_compare& __comp = key_compare())
+        : __tree_(__vc(__comp))
+        {
+            insert(__il.begin(), __il.end());
+        }
+
+    _LIBCPP_INLINE_VISIBILITY
+    multimap(initializer_list<value_type> __il, const key_compare& __comp, const allocator_type& __a)
+        : __tree_(__vc(__comp), typename __base::allocator_type(__a))
+        {
+            insert(__il.begin(), __il.end());
+        }
+
+#if _LIBCPP_STD_VER > 11
+    _LIBCPP_INLINE_VISIBILITY
+    multimap(initializer_list<value_type> __il, const allocator_type& __a)
+        : multimap(__il, key_compare(), __a) {}
+#endif
+
+    _LIBCPP_INLINE_VISIBILITY
+    multimap& operator=(initializer_list<value_type> __il)
+        {
+            __tree_.__assign_multi(__il.begin(), __il.end());
+            return *this;
+        }
+
+#endif  // _LIBCPP_CXX03_LANG
+
+    _LIBCPP_INLINE_VISIBILITY
+    explicit multimap(const allocator_type& __a)
+        : __tree_(typename __base::allocator_type(__a))
+        {
+        }
+
+    _LIBCPP_INLINE_VISIBILITY
+    multimap(const multimap& __m, const allocator_type& __a)
+        : __tree_(__m.__tree_.value_comp(), typename __base::allocator_type(__a))
+        {
+            insert(__m.begin(), __m.end());
+        }
+
+    _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();}
+
+    _LIBCPP_INLINE_VISIBILITY
+    allocator_type get_allocator() const _NOEXCEPT {return allocator_type(__tree_.__alloc());}
+    _LIBCPP_INLINE_VISIBILITY
+    key_compare    key_comp() const {return __tree_.value_comp().key_comp();}
+    _LIBCPP_INLINE_VISIBILITY
+    value_compare  value_comp() const
+        {return value_compare(__tree_.value_comp().key_comp());}
+
+#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.__i_, _VSTD::forward<_Args>(__args)...);
+    }
+
+    template <class _Pp,
+              class = typename enable_if<is_constructible<value_type, _Pp>::value>::type>
+        _LIBCPP_INLINE_VISIBILITY
+        iterator insert(_Pp&& __p)
+            {return __tree_.__insert_multi(_VSTD::forward<_Pp>(__p));}
+
+    template <class _Pp,
+              class = typename enable_if<is_constructible<value_type, _Pp>::value>::type>
+        _LIBCPP_INLINE_VISIBILITY
+        iterator insert(const_iterator __pos, _Pp&& __p)
+            {return __tree_.__insert_multi(__pos.__i_, _VSTD::forward<_Pp>(__p));}
+
+    _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.__i_, _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 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.__i_, __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.__i_, *__f);
+        }
+
+    _LIBCPP_INLINE_VISIBILITY
+    iterator erase(const_iterator __p) {return __tree_.erase(__p.__i_);}
+    _LIBCPP_INLINE_VISIBILITY
+    iterator erase(iterator __p)       {return __tree_.erase(__p.__i_);}
+    _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.__i_, __l.__i_);}
+    _LIBCPP_INLINE_VISIBILITY
+    void clear() {__tree_.clear();}
+
+    _LIBCPP_INLINE_VISIBILITY
+    void swap(multimap& __m)
+        _NOEXCEPT_(__is_nothrow_swappable<__base>::value)
+        {__tree_.swap(__m.__tree_);}
+
+    _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 > 11
+    template <typename _K2>
+    _LIBCPP_INLINE_VISIBILITY
+    typename enable_if<__is_transparent<_Compare, _K2>::value,iterator>::type
+    find(const _K2& __k)                           {return __tree_.find(__k);}
+    template <typename _K2>
+    _LIBCPP_INLINE_VISIBILITY
+    typename enable_if<__is_transparent<_Compare, _K2>::value,const_iterator>::type
+    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 > 11
+    template <typename _K2>
+    _LIBCPP_INLINE_VISIBILITY
+    typename enable_if<__is_transparent<_Compare, _K2>::value,size_type>::type
+    count(const _K2& __k) const {return __tree_.__count_multi(__k);}
+#endif
+    _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 > 11
+    template <typename _K2>
+    _LIBCPP_INLINE_VISIBILITY
+    typename enable_if<__is_transparent<_Compare, _K2>::value,iterator>::type
+    lower_bound(const _K2& __k)       {return __tree_.lower_bound(__k);}
+
+    template <typename _K2>
+    _LIBCPP_INLINE_VISIBILITY
+    typename enable_if<__is_transparent<_Compare, _K2>::value,const_iterator>::type
+    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 > 11
+    template <typename _K2>
+    _LIBCPP_INLINE_VISIBILITY
+    typename enable_if<__is_transparent<_Compare, _K2>::value,iterator>::type
+    upper_bound(const _K2& __k)       {return __tree_.upper_bound(__k);}
+    template <typename _K2>
+    _LIBCPP_INLINE_VISIBILITY
+    typename enable_if<__is_transparent<_Compare, _K2>::value,const_iterator>::type
+    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 > 11
+    template <typename _K2>
+    _LIBCPP_INLINE_VISIBILITY
+    typename enable_if<__is_transparent<_Compare, _K2>::value,pair<iterator,iterator>>::type
+    equal_range(const _K2& __k)       {return __tree_.__equal_range_multi(__k);}
+    template <typename _K2>
+    _LIBCPP_INLINE_VISIBILITY
+    typename enable_if<__is_transparent<_Compare, _K2>::value,pair<const_iterator,const_iterator>>::type
+    equal_range(const _K2& __k) const {return __tree_.__equal_range_multi(__k);}
+#endif
+
+private:
+    typedef typename __base::__node                    __node;
+    typedef typename __base::__node_allocator          __node_allocator;
+    typedef typename __base::__node_pointer            __node_pointer;
+
+    typedef __map_node_destructor<__node_allocator> _Dp;
+    typedef unique_ptr<__node, _Dp> __node_holder;
+};
+
+#ifndef _LIBCPP_CXX03_LANG
+template <class _Key, class _Tp, class _Compare, class _Allocator>
+multimap<_Key, _Tp, _Compare, _Allocator>::multimap(multimap&& __m, const allocator_type& __a)
+    : __tree_(_VSTD::move(__m.__tree_), typename __base::allocator_type(__a))
+{
+    if (__a != __m.get_allocator())
+    {
+        const_iterator __e = cend();
+        while (!__m.empty())
+            __tree_.__insert_multi(__e.__i_,
+                    _VSTD::move(__m.__tree_.remove(__m.begin().__i_)->__value_.__nc));
+    }
+}
+#endif
+
+template <class _Key, class _Tp, class _Compare, class _Allocator>
+inline _LIBCPP_INLINE_VISIBILITY
+bool
+operator==(const multimap<_Key, _Tp, _Compare, _Allocator>& __x,
+           const multimap<_Key, _Tp, _Compare, _Allocator>& __y)
+{
+    return __x.size() == __y.size() && _VSTD::equal(__x.begin(), __x.end(), __y.begin());
+}
+
+template <class _Key, class _Tp, class _Compare, class _Allocator>
+inline _LIBCPP_INLINE_VISIBILITY
+bool
+operator< (const multimap<_Key, _Tp, _Compare, _Allocator>& __x,
+           const multimap<_Key, _Tp, _Compare, _Allocator>& __y)
+{
+    return _VSTD::lexicographical_compare(__x.begin(), __x.end(), __y.begin(), __y.end());
+}
+
+template <class _Key, class _Tp, class _Compare, class _Allocator>
+inline _LIBCPP_INLINE_VISIBILITY
+bool
+operator!=(const multimap<_Key, _Tp, _Compare, _Allocator>& __x,
+           const multimap<_Key, _Tp, _Compare, _Allocator>& __y)
+{
+    return !(__x == __y);
+}
+
+template <class _Key, class _Tp, class _Compare, class _Allocator>
+inline _LIBCPP_INLINE_VISIBILITY
+bool
+operator> (const multimap<_Key, _Tp, _Compare, _Allocator>& __x,
+           const multimap<_Key, _Tp, _Compare, _Allocator>& __y)
+{
+    return __y < __x;
+}
+
+template <class _Key, class _Tp, class _Compare, class _Allocator>
+inline _LIBCPP_INLINE_VISIBILITY
+bool
+operator>=(const multimap<_Key, _Tp, _Compare, _Allocator>& __x,
+           const multimap<_Key, _Tp, _Compare, _Allocator>& __y)
+{
+    return !(__x < __y);
+}
+
+template <class _Key, class _Tp, class _Compare, class _Allocator>
+inline _LIBCPP_INLINE_VISIBILITY
+bool
+operator<=(const multimap<_Key, _Tp, _Compare, _Allocator>& __x,
+           const multimap<_Key, _Tp, _Compare, _Allocator>& __y)
+{
+    return !(__y < __x);
+}
+
+template <class _Key, class _Tp, class _Compare, class _Allocator>
+inline _LIBCPP_INLINE_VISIBILITY
+void
+swap(multimap<_Key, _Tp, _Compare, _Allocator>& __x,
+     multimap<_Key, _Tp, _Compare, _Allocator>& __y)
+    _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
+{
+    __x.swap(__y);
+}
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif  // _LIBCPP_MAP