Boost Unordered Translation (zh_Hans)/Doc / Modules / Root / Pages / Reference / Unordered Set (adoc) — Chinese (Simplified Han script) @ Boost-Weblate: Constructs an empty container with at least `n` buckets, using …

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Key	English	Chinese (Simplified Han script)
	A const_local_iterator object can be used to iterate through a single bucket.	`const_local_iterator` 对象可用于遍历单个桶。
:320	---	---
	A class for holding extracted container elements, modelling https://en.cppreference.com/w/cpp/container/node_handle[NodeHandle].	一个用于存放被提取容器元素的类，符合 https://en.cppreference.com/w/cpp/container/node_handle[NodeHandle] 模型。
:330	---	---
	A specialization of an internal class template:	内部类模板的特化：
	with `Iterator` = `iterator` and `NodeType` = `node_type`.	其中 `Iterator` = `iterator`，`NodeType` = `node_type`。
:352	---	---
	Constructors	构造函数
	Default Constructor	默认构造函数
	```c++ unordered_set(); ```	```c++ unordered_set(); ```
	Constructs an empty container using `hasher()` as the hash function, `key_equal()` as the key equality predicate, `allocator_type()` as the allocator and a maximum load factor of `1.0`.	使用 `hasher()` 作为哈希函数，`key_equal()` 作为键相等谓词，`allocator_type()` 作为分配器，以及最大负载因子 `1.0` 构造一个空容器。
:366	Postconditions:;; `size() == 0` 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^].	后置条件：`size() == 0` 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^]要求。
:369	---	---
	Bucket Count Constructor	桶数构造函数
	```c++ explicit unordered_set(size_type n, const hasher& hf = hasher(), const key_equal& eql = key_equal(), const allocator_type& a = allocator_type()); ```	```c++ explicit unordered_set(size_type n, const hasher& hf = hasher(), const key_equal& eql = key_equal(), const allocator_type& a = allocator_type()); ```
	Constructs an empty container with at least `n` buckets, using `hf` as the hash function, `eql` as the key equality predicate, `a` as the allocator and a maximum load factor of `1.0`.	explicit unordered_set(size_type n, const hasher& hf = hasher(), const key_equal& eql = key_equal(), const allocator_type& a = allocator_type());
:384	Postconditions:;; `size() == 0` 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^].	后置条件：;; `size() == 0` 要求：;; 若使用默认参数，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^]要求。
:387	---	---
	Iterator Range Constructor	迭代器范围构造函数
	Constructs an empty container with at least `n` buckets, using `hf` as the hash function, `eql` as the key equality predicate, `a` as the allocator and a maximum load factor of `1.0` 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、 `eql` 作为键相等性谓词、 `a` 作为分配器，将最大负载因子设为 `1.0` ，并将区间 `++[++f, l)` 中的元素插入其中。
:403	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;; 若使用默认值，则 `hasher` 、 `key++_++equal` 和 `allocator++_++type` 需满足 https://en.cppreference.com/w/cpp/named_req/DefaultConstructible[可默认构造] 要求。
:405	---	---
	Copy Constructor	复制构造函数
	```c++ unordered_set(const unordered_set& other); ```	```c++ unordered_set(const unordered_set& other); ```
	The copy constructor. Copies the contained elements, hash function, predicate, maximum load factor and allocator.	复制构造函数。复制所含元素、哈希函数、谓词、最大负载因子和分配器。
	If `Allocator::select_on_container_copy_construction` exists and has the right signature, the allocator will be constructed from its result.	若 `Allocator::select_on_container_copy_construction` 存在且具有正确的签名，则将根据其结果来构造分配器。
:417	Requires:;; `value_type` is copy constructible	要求：;; `value_type` 需满足可复制构造要求。
:419	---	---
	Move Constructor	移动构造函数
	```c++ unordered_set(unordered_set&& other); ```	```c++ unordered_set(unordered_set&& other); ```
	The move constructor.	移动构造函数。

	English	Chinese (Simplified Han script)	Actions
	with `Iterator` = `iterator` and `NodeType` = `node_type`.	其中 `Iterator` = `iterator`，`NodeType` = `node_type`。
	Constructors	构造函数
	Default Constructor	默认构造函数
	```c++ unordered_set(); ```	```c++ unordered_set(); ```
	Constructs an empty container using `hasher()` as the hash function, `key_equal()` as the key equality predicate, `allocator_type()` as the allocator and a maximum load factor of `1.0`.	使用 `hasher()` 作为哈希函数，`key_equal()` 作为键相等谓词，`allocator_type()` 作为分配器，以及最大负载因子 `1.0` 构造一个空容器。
	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.	返回：指向容器第一个元素的 `const_iterator`，若容器为空，则返回容器尾后迭代器。
	```c++ const_iterator cend() const noexcept; ```	```c++ const_iterator cend() const noexcept; ```
	Returns:;; A `const_iterator` which refers to the past-the-end value for the container.	返回：指向容器尾后位置的 `const_iterator`。
	Bucket Count Constructor	桶数构造函数
	```c++ explicit unordered_set(size_type n, const hasher& hf = hasher(), const key_equal& eql = key_equal(), const allocator_type& a = allocator_type()); ```	```c++ explicit unordered_set(size_type n, const hasher& hf = hasher(), const key_equal& eql = key_equal(), const allocator_type& a = allocator_type()); ```
	Size and Capacity	大小与容量
	empty	空
	```c++ [[nodiscard]] bool empty() const noexcept; ```	```c++ [[nodiscard]] bool empty() const noexcept; ```
	Returns:;; `size() == 0`	返回：`size() == 0`
	size	大小
	Constructs an empty container with at least `n` buckets, using `hf` as the hash function, `eql` as the key equality predicate, `a` as the allocator and a maximum load factor of `1.0`.	explicit unordered_set(size_type n, const hasher& hf = hasher(), const key_equal& eql = key_equal(), const allocator_type& a = allocator_type());
	Iterator Range Constructor	迭代器范围构造函数
	```c++ size_type size() const noexcept; ```	```c++ size_type size() const noexcept; ```
	Returns:;; `std::distance(begin(), end())`	返回：`std::distance(begin(), end())`
	max_size	max_size
	```c++ size_type max_size() const noexcept; ```	```c++ size_type max_size() const noexcept; ```
	Returns:;; `size()` of the largest possible container.	返回：可能的最大容器的 `size()`。
	Modifiers	修改器
	emplace	原地构造
	```c++ template<class... Args> std::pair<iterator, bool> emplace(Args&&... args); ```	```c++ template<class... args=""> std::pair<iterator, bool=""> emplace(Args&&... args); ```</iterator,></class...>
	Saves the positional information of an `iterator` (`const_iterator`) `it` to an archive (XML archive) `ar`. `it` can be and `end()` iterator.	将 `iterator` （ `const++_++iterator` ）常量迭代器 `it` 的位置信息保存到归档（XML 归档） `ar` 中。 `it` 可以是 `end()` 迭代器。
	Requires:;; The `unordered_set` `x` pointed to by `it` has been previously saved to `ar`, and no modifying operations have been issued on `x` between saving of `x` and saving of `it`.	要求;; 迭代器 `it` 指向的 `unordered++_++set` `x` 必须已预先保存至归档 `ar` ，且在保存 `x` 和保存 `it` 的时间间隔内 `x` 执行任何修改操作。
	Constructs an empty container with at least `n` buckets, using `hf` as the hash function, `eql` as the key equality predicate, `a` as the allocator and a maximum load factor of `1.0` 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、 `eql` 作为键相等性谓词、 `a` 作为分配器，将最大负载因子设为 `1.0` ，并将区间 `++[++f, l)` 中的元素插入其中。
	Notes:;; This is implemented using Boost.Move. Requires:;; `value_type` is move-constructible.	说明：;; 该实现使用 Boost.Move。要求：;; `value_type` 需满足可移动构造要求。
	Iterator Range Constructor with Allocator	带分配器的迭代器范围构造函数

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