Boost Unordered Translation (zh_Hans)/Doc / Modules / Root / Pages / Reference / Unordered Node Map (adoc) — Chinese (Simplified Han script) @ Boost-Weblate: Postconditions:;; `size() == 0`, `max_load() >= max_load_factor() * bucket

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Key	English	Chinese (Simplified Han script)
	Extracts the element pointed to by `position`.	提取 `position` 所指向的元素。
	Returns:;; A `node_type` object holding the extracted element. Throws:;; Nothing.	返回：一个持有被提取元素的 `node_type` 对象。抛出：不抛出任何异常。
:1211	---	---
	Extract by Key	通过键提取
	```c++ node_type extract(const key_type& k); template<class K> node_type extract(K&& k); ```	```c++ node_type extract(const key_type& k); template<class k=""> node_type extract(K&& k); ```</class>
	Extracts the element with key equivalent to `k`, if it exists.	提取键与 `k` 等价的元素（如果存在）。
	Returns:;; A `node_type` object holding the extracted element, or empty if no element was extracted. Throws:;; Only throws an exception if it is thrown by `hasher` or `key_equal`. Notes:;; The `template<class K>` overload only participates in overload resolution if `Hash::is_transparent` and `Pred::is_transparent` are valid member typedefs. The library assumes that `Hash` is callable with both `K` and `Key` and that `Pred` is transparent. This enables heterogeneous lookup which avoids the cost of instantiating an instance of the `Key` type.	返回：一个持有被提取元素的 `node_type` 对象；如果未提取到任何元素，则返回空。抛出：仅当 `hasher` 或 `key_equal` 抛出异常时才会抛出。注意：`template<class k="">` 重载仅在 `Hash::is_transparent` 和 `Pred::is_transparent` 是有效的成员 typedef 时参与重载决议。库假定 `Hash` 可同时使用 `K` 和 `Key` 调用，且 `Pred` 是透明的。这支持了异构查找，从而避免了实例化 `Key` 类型对象的开销。</class>
:1226	---	---
	pull	pull
	```c++ init_type pull(const_iterator position); ```	```c++ init_type pull(const_iterator position); ```
	Move-constructs an `init_value` `x` from the element pointed to by `position`, erases the element and returns `x`.	从 `position` 指向的元素移动构造一个 `init_value` 对象 `x`，擦除该元素并返回 `x`。
:1236	---	---
	clear	清空
	```c++ void clear() noexcept; ```	```c++ void clear() noexcept; ```
	Erases all elements in the container.	擦除容器中的所有元素。
	Postconditions:;; `size() == 0`, `max_load() >= max_load_factor() * bucket_count()`	后置条件：`size() == 0`，`max_load() >= max_load_factor() * bucket_count()`
:1248	---	---
	merge	合并
	```c++ template<class H2, class P2> void merge(unordered_node_map<Key, T, H2, P2, Allocator>& source); template<class H2, class P2> void merge(unordered_node_map<Key, T, H2, P2, Allocator>&& source); ```	```c++ template<class h2,="" class="" p2=""> void merge(unordered_node_map<key, t,="" h2,="" p2,="" allocator="">& source); template<class h2,="" class="" p2=""> void merge(unordered_node_map<key, t,="" h2,="" p2,="" allocator="">&& source); ```</key,></class></key,></class>
	Transfers all the element nodes from `source` whose key is not already present in `*this`.	从 `source` 转移所有键在 `*this` 中尚未存在的元素节点。
	Requires:;; `this\->get_allocator() == source.get_allocator()`. Notes:;; Invalidates iterators to the elements transferred. If the resulting size of `this` is greater than its original maximum load, invalidates all iterators associated to `this`.	要求：`this->get_allocator() == source.get_allocator()`。注意：会使被转移元素的迭代器失效。如果 `this` 的结果大小大于其原始最大负载，则会使与 `this` 关联的所有迭代器失效。
:1266	---	---
	Observers	观察器
	get_allocator	get_allocator
	``` allocator_type get_allocator() const noexcept; ```	``` allocator_type get_allocator() const noexcept; ```
	Returns:;; The container's allocator.	返回：容器的分配器。
:1278	---	---
	hash_function	哈希函数
	``` hasher hash_function() const; ```	``` hasher hash_function() const; ```
	Returns:;; The container's hash function.	返回：容器的哈希函数。
:1288	---	---

	English	Chinese (Simplified Han script)	Actions
	```c++ iterator erase(const_iterator first, const_iterator last); ```	```c++ iterator erase(const_iterator first, const_iterator last); ```
	Erases the elements in the range from `first` to `last`.	Erases the elements in the range from `first` to `last`.
	Returns:;; The iterator following the erased elements - i.e. `last`. Throws:;; Nothing in this implementation (neither the `hasher` nor the `key_equal` objects are called).	返回：被擦除元素之后的迭代器——即 `last`。抛出：在此实现中不抛出任何异常（既不调用 `hasher` 也不调用 `key_equal` 对象）。
	Swaps the contents of the container with the parameter.	交换容器的内容与参数的内容。
	```c++ node_type extract(const_iterator position); ```	```c++ node_type extract(const_iterator position); ```
	Extracts the element pointed to by `position`.	提取 `position` 所指向的元素。
	Returns:;; A `node_type` object holding the extracted element. Throws:;; Nothing.	返回：一个持有被提取元素的 `node_type` 对象。抛出：不抛出任何异常。
	Extract by Key	通过键提取
	```c++ node_type extract(const key_type& k); template<class K> node_type extract(K&& k); ```	```c++ node_type extract(const key_type& k); template<class k=""> node_type extract(K&& k); ```</class>
	Extracts the element with key equivalent to `k`, if it exists.	提取键与 `k` 等价的元素（如果存在）。
	Returns:;; A `node_type` object holding the extracted element, or empty if no element was extracted. Throws:;; Only throws an exception if it is thrown by `hasher` or `key_equal`. Notes:;; The `template<class K>` overload only participates in overload resolution if `Hash::is_transparent` and `Pred::is_transparent` are valid member typedefs. The library assumes that `Hash` is callable with both `K` and `Key` and that `Pred` is transparent. This enables heterogeneous lookup which avoids the cost of instantiating an instance of the `Key` type.	返回：一个持有被提取元素的 `node_type` 对象；如果未提取到任何元素，则返回空。抛出：仅当 `hasher` 或 `key_equal` 抛出异常时才会抛出。注意：`template<class k="">` 重载仅在 `Hash::is_transparent` 和 `Pred::is_transparent` 是有效的成员 typedef 时参与重载决议。库假定 `Hash` 可同时使用 `K` 和 `Key` 调用，且 `Pred` 是透明的。这支持了异构查找，从而避免了实例化 `Key` 类型对象的开销。</class>
	pull	pull
	```c++ init_type pull(const_iterator position); ```	```c++ init_type pull(const_iterator position); ```
	```c++ void clear() noexcept; ```	```c++ void clear() noexcept; ```
	Erases all elements in the container.	擦除容器中的所有元素。
	Postconditions:;; `size() == 0`, `max_load() >= max_load_factor() * bucket_count()`	后置条件：`size() == 0`，`max_load() >= max_load_factor() * bucket_count()`
	merge	合并
	```c++ template<class H2, class P2> void merge(unordered_node_map<Key, T, H2, P2, Allocator>& source); template<class H2, class P2> void merge(unordered_node_map<Key, T, H2, P2, Allocator>&& source); ```	```c++ template<class h2,="" class="" p2=""> void merge(unordered_node_map<key, t,="" h2,="" p2,="" allocator="">& source); template<class h2,="" class="" p2=""> void merge(unordered_node_map<key, t,="" h2,="" p2,="" allocator="">&& source); ```</key,></class></key,></class>
	Observers	观察器
	get_allocator	get_allocator
	``` allocator_type get_allocator() const noexcept; ```	``` allocator_type get_allocator() const noexcept; ```
	Returns:;; The container's allocator.	返回：容器的分配器。
	hash_function	哈希函数
	``` hasher hash_function() const; ```	``` hasher hash_function() const; ```
	Returns:;; The container's hash function.	返回：容器的哈希函数。
	key_eq	key_eq
	``` key_equal key_eq() const; ```	``` key_equal key_eq() const; ```
	find	find
	```c++ iterator find(const key_type& k); const_iterator find(const key_type& k) const; template<class K> iterator find(const K& k);	```c++ iterator find(const key_type& k); const_iterator find(const key_type& k) const; template<class k=""> iterator find(const K& k);</class>
	```	```

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Chinese (Simplified Han script) 24 characters editedCurrent translationState: Translated

06/05/2026

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Chinese (Simplified Han script) 83 characters editedPrevious translationState: Needs editing (Needs rewriting)

06/05/2026

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safe-html, strict-same

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53065

Source string location

:1246

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06/05/2026

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doc/modules/ROOT/pages/reference/unordered_node_map_zh_Hans.adoc, string 312

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