Boost Unordered Translation (zh_Hans)/Doc / Modules / Root / Pages / Reference / Unordered Set (adoc) — Chinese (Simplified Han script) @ Boost-Weblate: If `Allocator::select_on_container_copy_construction` exists and has the right signature, the allocator …

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Key	English	Chinese (Simplified Han script)
	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。
	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。
:432	---	---
	Iterator Range Constructor with Allocator	带分配器的迭代器范围构造函数
	```c++ template<class InputIterator> unordered_set(InputIterator f, InputIterator l, const allocator_type& a); ```	```c++ template<class inputiterator=""> unordered_set(InputIterator f, InputIterator l, const allocator_type& a); ```</class>
	Constructs an empty container using `a` as the allocator, with the default hash function and key equality predicate and a maximum load factor of `1.0` and inserts the elements from `[f, l)` into it.	构造一个空容器，使用 `a` 作为分配器、默认的哈希函数和键相等性谓词，并将最大负载因子设为 `1.0` ，然后将 `[f, l)` 范围内的元素插入其中。
:443	Requires:;; `hasher`, `key_equal` need to be https://en.cppreference.com/w/cpp/named_req/DefaultConstructible[DefaultConstructible^].	要求：`hasher`、`key_equal` 需满足 https://en.cppreference.com/w/cpp/named_req/DefaultConstructible[可默认构造^]要求。
:445	---	---
	Allocator Constructor	分配器构造函数
	```c++ explicit unordered_set(const Allocator& a); ```	```c++ explicit unordered_set(const Allocator& a); ```
	Constructs an empty container, using allocator `a`.	构造一个空容器，使用分配器 `a`。

	English	Chinese (Simplified Han script)	Actions
	bucket	桶
	```c++ unordered_set(const unordered_set& other); ```	```c++ unordered_set(const unordered_set& other); ```
	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。
	```c++ explicit unordered_set(const Allocator& a); ```	```c++ explicit unordered_set(const Allocator& a); ```
	```c++ unordered_set& operator=(std::initializer_list<value_type> il); ```	```c++ unordered_set& operator=(std::initializer_list<value_type> il); ```</value_type>
	Insert with `node_handle`	通过 `node++_++handle` 插入
	```c++ size_type erase(const key_type& k); template<class K> size_type erase(K&& k); ```	```c++ size_type erase(const key_type& k); template<class k=""> size_type erase(K&& k); ```</class>
	quick_erase	quick_erase
	```c++ void swap(unordered_set& other) noexcept(boost::allocator_traits<Allocator>::is_always_equal::value && boost::is_nothrow_swappable_v<Hash> && boost::is_nothrow_swappable_v<Pred>); ```	```c++ void swap(unordered_set& other) noexcept(boost::allocator_traits<allocator>::is_always_equal::value && boost::is_nothrow_swappable_v<hash> && boost::is_nothrow_swappable_v<pred>); ```</pred></hash></allocator>
	Swaps the contents of the container with the parameter.	交换容器与参数的内容。
	Attempt to "merge" two containers by iterating `source` and extracting any node in `source` that is not contained in `this` and then inserting it into `this`.	通过遍历 `source` 容器，提取其中所有不包含在 `++++this` 中的节点，并将其插入到 `++++this` 中，以此尝试将两个容器"合并"。
	Notes:;; + --	说明：+ --
	```c++ size_type max_bucket_count() const noexcept; ```	```c++ size_type max_bucket_count() const noexcept; ```
	```c++ void max_load_factor(float z); ```	```c++ void max_load_factor(float z); ```
	rehash	重哈希
	Similar to `rehash`, this function can be used to grow or shrink the number of buckets in the container.	与 `rehash` 类似，该函数可用于增加或减少容器中的桶数量。
	__iter-value-type__	__iter-value-type__
	```c++ ~unordered_set(); ```	```c++ ~unordered_set(); ```
	Note:;; The destructor is applied to every element, and all memory is deallocated	注意：析构函数会应用于每个元素，并且所有内存都会被释放。
	Assignment	赋值操作
	Copy Assignment	复制赋值
	```c++ unordered_set& operator=(const unordered_set& other); ```	```c++ unordered_set& operator=(const unordered_set& other); ```
	The assignment operator. Copies the contained elements, hash function, predicate and maximum load factor but not the allocator.	赋值运算符。该操作会复制容器内的元素、哈希函数、谓词及最大负载因子，但不会复制分配器。
	If `Alloc::propagate_on_container_copy_assignment` exists and `Alloc::propagate_on_container_copy_assignment::value` is `true`, the allocator is overwritten, if not the copied elements are created using the existing allocator.	若 `Alloc::propagate_on_container_copy_assignment` 存在且 `Alloc::propagate_on_container_copy_assignment::value` 为 `true`，则覆盖分配器；否则，将使用现有分配器创建复制的元素。
	Move Assignment	移动赋值
	Copy Insert	复制插入
	Copy Insert with Hint	带提示的复制插入
	Move Insert with Hint	带提示的移动插入
	contains	包含
	Serialization	序列化

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