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Key	English	Chinese (Simplified Han script)
	Allocator Constructor	分配器构造函数
	```c++ explicit unordered_node_map(Allocator const& a); ```	```c++ explicit unordered_node_map(Allocator const& a); ```
	Constructs an empty container, using allocator `a`.	使用分配器 `a` 构造一个空容器。
:490	---	---
	Copy Constructor with Allocator	带分配器的拷贝构造函数
	```c++ unordered_node_map(unordered_node_map const& other, Allocator const& a); ```	```c++ unordered_node_map(unordered_node_map const& other, Allocator const& a); ```
	Constructs a container, copying ``other``'s contained elements, hash function, and predicate, but using allocator `a`.	构造一个容器，拷贝 `other` 所包含的元素、哈希函数和谓词，但使用分配器 `a`。
:499	---	---
	Move Constructor with Allocator	带分配器的移动构造函数
	```c++ unordered_node_map(unordered_node_map&& other, Allocator const& a); ```	```c++ unordered_node_map(unordered_node_map&& other, Allocator const& a); ```
	If `a == other.get_allocator()`, the element nodes of `other` are transferred directly to the new container; otherwise, elements are moved-constructed from those of `other`. The hash function and predicate are moved-constructed from `other`, and the allocator is copy-constructed from `a`. If statistics are xref:unordered_node_map_boost_unordered_enable_stats[enabled], transfers the internal statistical information from `other` iff `a == other.get_allocator()`, and always calls `other.reset_stats()`.	如果 `a == other.get_allocator()`，则 `other` 的元素节点会直接转移给新容器；否则，元素将从 `other` 中的元素通过移动构造获得。哈希函数和谓词通过移动构造从 `other` 获得，而分配器则通过拷贝构造从 `a` 获得。如果启用了统计信息（详见 xref:unordered_node_map_boost_unordered_enable_stats[`BOOST_UNORDERED_ENABLE_STATS`]），则当 `a == other.get_allocator()` 时，会从 `other` 转移内部的统计信息，并且始终会调用 `other.reset_stats()`。
:513	---	---
	Move Constructor from concurrent_node_map	从 `concurrent_node_map` 的移动构造函数
	```c++ unordered_node_map(concurrent_node_map<Key, T, Hash, Pred, Allocator>&& other); ```	```c++ unordered_node_map(concurrent_node_map<key, t,="" hash,="" pred,="" allocator="">&& other); ```</key,>
	Move construction from a xref:#concurrent_node_map[`concurrent_node_map`]. The internal bucket array of `other` is transferred directly to the new container. The hash function, predicate and allocator are moved-constructed from `other`. If statistics are xref:unordered_node_map_boost_unordered_enable_stats[enabled], transfers the internal statistical information from `other` and calls `other.reset_stats()`.	从 xref:#concurrent_node_map[`concurrent_node_map`] 进行移动构造。`other` 的内部桶数组直接转移给新容器。哈希函数、谓词和分配器通过移动构造从 `other` 获得。如果启用了统计信息（详见 xref:unordered_node_map_boost_unordered_enable_stats[`BOOST_UNORDERED_ENABLE_STATS`]），则从 `other` 转移内部的统计信息，并调用 `other.reset_stats()`。
	Complexity:;; Constant time. Concurrency:;; Blocking on `other`.	复杂度：常数时间。并发性：在 `other` 上阻塞。
:531	---	---
	Initializer List Constructor	初始化列表构造函数
	Constructs an empty container with at least `n` buckets, using `hf` as the hash function, `eql` as the key equality predicate and `a`, and inserts the elements from `il` into it.	构造一个至少包含 `n` 个桶的空容器，使用 `hf` 作为哈希函数，`eql` 作为键相等谓词和 `a`，并将 `il` 中的元素插入其中。
:546	Requires:;; If the defaults are used, `hasher`, `key_equal` and `allocator_type` need to be https://en.cppreference.com/w/cpp/named_req/DefaultConstructible[DefaultConstructible^].	要求：如果使用默认值，则 `hasher`、`key_equal` 和 `allocator_type` 需要满足 https://en.cppreference.com/w/cpp/named_req/DefaultConstructible[可默认构造^]。
:548	---	---
	Bucket Count Constructor with Allocator	带分配器的桶数构造函数
	```c++ unordered_node_map(size_type n, allocator_type const& a); ```	```c++ unordered_node_map(size_type n, allocator_type const& a); ```
	Constructs an empty container with at least `n` buckets, using `hf` as the hash function, the default hash function and key equality predicate and `a` as the allocator.	构造一个至少包含 `n` 个桶的空容器，使用 `hf` 作为哈希函数，使用默认的哈希函数和键相等谓词，并以 `a` 作为分配器。
	Postconditions:;; `size() == 0` Requires:;; `hasher` and `key_equal` need to be https://en.cppreference.com/w/cpp/named_req/DefaultConstructible[DefaultConstructible^].	后置条件：`size() == 0` 要求：`hasher` 和 `key_equal` 需要满足 https://en.cppreference.com/w/cpp/named_req/DefaultConstructible[可默认构造^]。
:561	---	---
	Bucket Count Constructor with Hasher and Allocator	带哈希函数和分配器的桶数构造函数
	```c++ unordered_node_map(size_type n, hasher const& hf, allocator_type const& a); ```	```c++ unordered_node_map(size_type n, hasher const& hf, allocator_type const& a); ```
	Constructs an empty container with at least `n` buckets, using `hf` as the hash function, the default key equality predicate and `a` as the allocator.	构造一个至少包含 `n` 个桶的空容器，使用 `hf` 作为哈希函数，使用默认的键相等谓词，并以 `a` 作为分配器。
	Postconditions:;; `size() == 0` Requires:;; `key_equal` needs to be https://en.cppreference.com/w/cpp/named_req/DefaultConstructible[DefaultConstructible^].	后置条件：`size() == 0` 要求：`key_equal` 需满足 https://en.cppreference.com/w/cpp/named_req/DefaultConstructible[可默认构造^] 要求。
:574	---	---

	English	Chinese (Simplified Han script)	Actions
	Iterator Range Constructor	迭代器范围构造函数
	Copy Constructor	复制构造函数
	```c++ unordered_node_map(unordered_node_map const& other); ```	```c++ unordered_node_map(unordered_node_map const& other); ```
	The copy constructor. Copies the contained elements, hash function, predicate and allocator.	拷贝构造函数。拷贝所包含的元素、哈希函数、谓词和分配器。
	If `Allocator::select_on_container_copy_construction` exists and has the right signature, the allocator will be constructed from its result.	如果 `Allocator::select_on_container_copy_construction` 存在且具有正确的签名，则分配器将根据其结果进行构造。
	Move Constructor	移动构造函数
	```c++ unordered_node_map(unordered_node_map&& other); ```	```c++ unordered_node_map(unordered_node_map&& other); ```
	The move constructor. The internal bucket array of `other` is transferred directly to the new container. The hash function, predicate and allocator are moved-constructed from `other`. If statistics are xref:unordered_node_map_boost_unordered_enable_stats[enabled], transfers the internal statistical information from `other` and calls `other.reset_stats()`.	移动构造函数。`other` 的内部桶数组会被直接转移给新容器。哈希函数、谓词和分配器通过移动构造从 `other` 获得。如果启用了统计信息（详见 xref:unordered_node_map_boost_unordered_enable_stats[`BOOST_UNORDERED_ENABLE_STATS`]），则会从 `other` 转移内部的统计信息，并调用 `other.reset_stats()`。
	Allocator Constructor	分配器构造函数
	```c++ explicit unordered_node_map(Allocator const& a); ```	```c++ explicit unordered_node_map(Allocator const& a); ```
	Constructs an empty container, using allocator `a`.	使用分配器 `a` 构造一个空容器。
	Copy Constructor with Allocator	带分配器的拷贝构造函数
	```c++ unordered_node_map(unordered_node_map const& other, Allocator const& a); ```	```c++ unordered_node_map(unordered_node_map const& other, Allocator const& a); ```
	If `a == other.get_allocator()`, the element nodes of `other` are transferred directly to the new container; otherwise, elements are moved-constructed from those of `other`. The hash function and predicate are moved-constructed from `other`, and the allocator is copy-constructed from `a`. If statistics are xref:unordered_node_map_boost_unordered_enable_stats[enabled], transfers the internal statistical information from `other` iff `a == other.get_allocator()`, and always calls `other.reset_stats()`.	如果 `a == other.get_allocator()`，则 `other` 的元素节点会直接转移给新容器；否则，元素将从 `other` 中的元素通过移动构造获得。哈希函数和谓词通过移动构造从 `other` 获得，而分配器则通过拷贝构造从 `a` 获得。如果启用了统计信息（详见 xref:unordered_node_map_boost_unordered_enable_stats[`BOOST_UNORDERED_ENABLE_STATS`]），则当 `a == other.get_allocator()` 时，会从 `other` 转移内部的统计信息，并且始终会调用 `other.reset_stats()`。
	Move construction from a xref:#concurrent_node_map[`concurrent_node_map`]. The internal bucket array of `other` is transferred directly to the new container. The hash function, predicate and allocator are moved-constructed from `other`. If statistics are xref:unordered_node_map_boost_unordered_enable_stats[enabled], transfers the internal statistical information from `other` and calls `other.reset_stats()`.	从 xref:#concurrent_node_map[`concurrent_node_map`] 进行移动构造。`other` 的内部桶数组直接转移给新容器。哈希函数、谓词和分配器通过移动构造从 `other` 获得。如果启用了统计信息（详见 xref:unordered_node_map_boost_unordered_enable_stats[`BOOST_UNORDERED_ENABLE_STATS`]），则从 `other` 转移内部的统计信息，并调用 `other.reset_stats()`。
	Complexity:;; Constant time. Concurrency:;; Blocking on `other`.	复杂度：常数时间。并发性：在 `other` 上阻塞。
	Bucket Count Constructor with Allocator	带分配器的桶数构造函数
	```c++ unordered_node_map(size_type n, allocator_type const& a); ```	```c++ unordered_node_map(size_type n, allocator_type const& a); ```
	```c++ unordered_node_map(size_type n, hasher const& hf, allocator_type const& a); ```	```c++ unordered_node_map(size_type n, hasher const& hf, allocator_type const& a); ```
	Constructs an empty container with at least `n` buckets, using `hf` as the hash function, the default key equality predicate and `a` as the allocator.	构造一个至少包含 `n` 个桶的空容器，使用 `hf` 作为哈希函数，使用默认的键相等谓词，并以 `a` 作为分配器。
	Constructs an empty container with at least `n` buckets, using `hf` as the hash function, `a` as the allocator, with the default key equality predicate, and inserts the elements from `[f, l)` into it.	构造一个至少包含 `n` 个桶的空容器，使用 `hf` 作为哈希函数，`a` 作为分配器，使用默认的键相等谓词，并将 `[f, l)` 范围内的元素插入其中。
	initializer_list Constructor with Bucket Count and Allocator	带桶数和分配器的初始化列表构造函数
	```c++ unordered_node_map(std::initializer_list<value_type> il, size_type n, const allocator_type& a); ```	```c++ unordered_node_map(std::initializer_list<value_type> il, size_type n, const allocator_type& a); ```</value_type>
	initializer_list Constructor with Bucket Count and Hasher and Allocator	带桶数、哈希函数和分配器的初始化列表构造函数
	```c++ unordered_node_map(std::initializer_list<value_type> il, size_type n, const hasher& hf, const allocator_type& a); ```	```c++ unordered_node_map(std::initializer_list<value_type> il, size_type n, const hasher& hf, const allocator_type& a); ```</value_type>
	Destructor	析构函数
	```c++ unordered_node_map& operator=(unordered_node_map&& other) noexcept((boost::allocator_traits<Allocator>::is_always_equal::value \|\| boost::allocator_traits<Allocator>::propagate_on_container_move_assignment::value) && std::is_same<pointer, value_type*>::value); ``` The move assignment operator. Destroys previously existing elements, swaps the hash function and predicate from `other`, and move-assigns the allocator from `other` if `Alloc::propagate_on_container_move_assignment` exists and `Alloc::propagate_on_container_move_assignment::value` is `true`. If at this point the allocator is equal to `other.get_allocator()`, the internal bucket array of `other` is transferred directly to the new container; otherwise, inserts move-constructed copies of the elements of `other`. If statistics are xref:unordered_node_map_boost_unordered_enable_stats[enabled], transfers the internal statistical information from `other` iff the final allocator is equal to `other.get_allocator()`, and always calls `other.reset_stats()`.	```c++ unordered_node_map& operator=(unordered_node_map&& other) noexcept((boost::allocator_traits<allocator>::is_always_equal::value \|\| boost::allocator_traits<allocator>::propagate_on_container_move_assignment::value) && std::is_same<pointer, value_type*="">::value); ``` 移动赋值运算符。销毁之前存在的元素，交换来自 `other` 的哈希函数和谓词，并且如果 `Alloc::propagate_on_container_move_assignment` 存在且 `Alloc::propagate_on_container_move_assignment::value` 为 `true`，则从 `other` 移动赋值分配器。如果此时分配器与 `other.get_allocator()` 相等，则 `other` 的内部桶数组直接转移给当前容器；否则，插入从 `other` 元素移动构造而来的副本。如果启用了统计信息（详见 xref:unordered_node_map_boost_unordered_enable_stats[`BOOST_UNORDERED_ENABLE_STATS`]），则当最终分配器与 `other.get_allocator()` 相等时，从 `other` 转移内部的统计信息，并且始终会调用 `other.reset_stats()`。</pointer,></allocator></allocator>
	Returns:;; A `const_iterator` referring to the first element of the container, or if the container is empty the past-the-end value for the container. Complexity:;; O(`bucket_count()`)	返回：指向容器第一个元素的 `const_iterator`，如果容器为空则返回容器的尾后值。复杂度：O(`bucket_count()`)
	```c++ [[nodiscard]] bool empty() const noexcept; ```	```c++ [[nodiscard]] bool empty() const noexcept; ```
	Returns:;; `size() == 0`	Returns:;; `size() == 0`

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