Boost Unordered Translation (zh_Hans)/Doc / Modules / Root / Pages / Reference / Concurrent Flat Set (adoc) — Chinese (Simplified Han script) @ Boost-Weblate: Returns:;; A statistical description of the insertion and lookup operations …

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Key	English	Chinese (Simplified Han script)
	```c++ void rehash(size_type n); ```	```c++ void rehash(size_type n); ```
	Changes if necessary the size of the bucket array so that there are at least `n` buckets, and so that the load factor is less than or equal to the maximum load factor. When applicable, this will either grow or shrink the `bucket_count()` associated with the table.	效果：;; 必要时调整哈希桶数组的大小，使桶数量至少为 `n`，且负载因子小于等于最大负载因子。适用情况下，该操作会增大或缩小哈希表的桶数量（`bucket_count()`）。
	When `size() == 0`, `rehash(0)` will deallocate the underlying buckets array.	当 `size() == 0` 时，`rehash(0)` 会释放底层的哈希桶数组内存。
:1452	Invalidates pointers and references to elements, and changes the order of elements.	会使指向元素的指针和引用失效，并改变元素的存储顺序。
	Throws:;; The function has no effect if an exception is thrown, unless it is thrown by the table's hash function or comparison function. Concurrency:;; Blocking on `*this`. ---	抛出：;; 若抛出异常，函数无任何效果（哈希函数或比较函数抛出的异常除外）。并发：;; 阻塞`*this`。 ---
	reserve	保留
	```c++ void reserve(size_type n); ```	```c++ void reserve(size_type n); ```
	Equivalent to `a.rehash(ceil(n / a.max_load_factor()))`.	等价于 `a.rehash(ceil(n / a.max_load_factor()))`。
	Similar to `rehash`, this function can be used to grow or shrink the number of buckets in the table.	与 `rehash` 功能类似，该函数可用于增加或减少哈希表中的桶数量。
:1468	Invalidates pointers and references to elements, and changes the order of elements.	会使指向元素的指针和引用失效，并改变元素的存储顺序。
	Throws:;; The function has no effect if an exception is thrown, unless it is thrown by the table's hash function or comparison function. Concurrency:;; Blocking on `*this`.	抛出：;; 若抛出异常，函数不会产生任何效果（哈希表的哈希函数或比较函数抛出的异常除外）。并发：;; 阻塞`*this`。
:1474	---	---
	Statistics	统计信息
	get_stats	get_stats
	```c++ stats get_stats() const; ```	```c++ stats get_stats() const; ```
	Returns:;; A statistical description of the insertion and lookup operations performed by the table so far. Notes:;; Only available if xref:reference/stats.adoc#stats[statistics calculation] is xref:concurrent_flat_set_boost_unordered_enable_stats[enabled].	返回值：;; 该哈希表迄今为止执行的插入与查找操作的统计信息。备注：;; 仅当 xref:reference/stats.adoc#stats[统计计算] 被 xref:concurrent_flat_set_boost_unordered_enable_stats[启用] 时，本接口方可使用。
:1487	---	---
	reset_stats	reset_stats
	```c++ void reset_stats() noexcept; ```	```c++ void reset_stats() noexcept; ```
	Effects:;; Sets to zero the internal statistics kept by the table. Notes:;; Only available if xref:reference/stats.adoc#stats[statistics calculation] is xref:concurrent_flat_set_boost_unordered_enable_stats[enabled].	效果：;; 将哈希表内部统计数据置零。备注：;; 仅当 xref:reference/stats.adoc#stats[统计计算] 被 xref:concurrent_flat_set_boost_unordered_enable_stats[启用] 时，本接口方可使用。
:1498	---	---
	Deduction Guides	推导指引
	A deduction guide will not participate in overload resolution if any of the following are true:	如果以下任何一条件为真，则推导指引将不参与重载决议：
	- It has an `InputIterator` template parameter and a type that does not qualify as an input iterator is deduced for that parameter. - It has an `Allocator` template parameter and a type that does not qualify as an allocator is deduced for that parameter. - It has a `Hash` template parameter and an integral type or a type that qualifies as an allocator is deduced for that parameter. - It has a `Pred` template parameter and a type that qualifies as an allocator is deduced for that parameter.	- 该推导指引包含 `InputIterator` 模板参数，且为此参数推导出的类型不符合输入迭代器的要求。 - 该推导指引包含 `Allocator` 模板参数，且为该参数推导出的类型不符合分配器要求。 - 该推导指引包含 `Hash` 模板参数，且为该参数推导出的类型为整型或符合分配器要求。 - 该推导指引包含 `Pred` 模板参数，且为该参数推导出的类型符合分配器要求。
	A `size_type` parameter type in a deduction guide refers to the `size_type` member type of the container type deduced by the deduction guide. Its default value coincides with the default value of the constructor selected.	推导指引中的 `size++_++type` 参数类型，指向由该推导指引所推导容器类型的 `size++_++type` 成员类型。其默认值与所选构造函数的默认值一致。
	__iter-value-type__	_iter-value-type_
	Equality Comparisons	相等性比较
	operator	operator
	```c++ template<class Key, class Hash, class Pred, class Alloc> bool operator==(const concurrent_flat_set<Key, Hash, Pred, Alloc>& x, const concurrent_flat_set<Key, Hash, Pred, Alloc>& y); ```	```c++ template<class key,="" class="" hash,="" pred,="" alloc=""> bool operator==(const concurrent_flat_set<key, hash,="" pred,="" alloc="">& x, const concurrent_flat_set<key, hash,="" pred,="" alloc="">& y); ```</key,></key,></class>
	Returns `true` if `x.size() == y.size()` and for every element in `x`, there is an element in `y` with the same key, with an equal value (using `operator==` to compare the value types).	若 x.size() == y.size()，且对于 x 中的每个元素，y 中均存在一个具有相同键、值相等（使用 operator== 比较值类型）的元素，则返回 true。
:1532	Concurrency:;; Blocking on `x` and `y`. Notes:;; Behavior is undefined if the two tables don't have equivalent equality predicates.	并发：;; 对`x`和`y`进行阻塞。备注：;; 若两个哈希表的相等判断谓词不一致，行为未定义。

	English	Chinese (Simplified Han script)	Actions
	Returns:;; `static_cast<float>(size())/static_cast<float>(bucket_count())`, or `0` if `bucket_count() == 0`.	返回值：;; `static_cast<float>(size()) / static_cast<float>(bucket_count())`；若`bucket_count() == 0`，则返回`0`。</float></float>
	```c++ float max_load_factor() const noexcept; ```	```c++ float max_load_factor() const noexcept; ```
	Returns:;; Returns the table's maximum load factor.	返回值：;; 返回哈希表的最大负载因子。
	Set max_load_factor	设置最大负载因子
	```c++ void max_load_factor(float z); ```	```c++ void max_load_factor(float z); ```
	Effects:;; Does nothing, as the user is not allowed to change this parameter. Kept for compatibility with `boost::unordered_set`.	效果：;; 不执行任何操作，因为不允许用户修改此参数。保留该函数是为了与 `boost::unordered_set` 保持兼容。
	Returns:;; The maximum number of elements the table can hold without rehashing, assuming that no further elements will be erased. Note:;; After construction, rehash or clearance, the table's maximum load is at least `max_load_factor() * bucket_count()`. This number may decrease on erasure under high-load conditions. + + In the presence of concurrent insertion operations, the value returned may not accurately reflect the true state of the table right after execution.	返回值：;; 哈希表在不进行重哈希的前提下可容纳的最大元素数量（假设不会再删除任何元素）。备注：;; 构造完成、重哈希或清空后，哈希表的最大负载至少为 `max_load_factor() * bucket_count()`。在高负载条件下执行删除操作后，该数值可能会降低。在存在并发插入操作时，返回的值可能无法准确反映执行后哈希表的真实状态。
	rehash	重哈希
	```c++ void rehash(size_type n); ```	```c++ void rehash(size_type n); ```
	Throws:;; The function has no effect if an exception is thrown, unless it is thrown by the table's hash function or comparison function. Concurrency:;; Blocking on `*this`. ---	抛出：;; 若抛出异常，函数无任何效果（哈希函数或比较函数抛出的异常除外）。并发：;; 阻塞`*this`。 ---
	```c++ void reserve(size_type n); ```	```c++ void reserve(size_type n); ```
	Equivalent to `a.rehash(ceil(n / a.max_load_factor()))`.	等价于 `a.rehash(ceil(n / a.max_load_factor()))`。
	Statistics	统计信息
	get_stats	get_stats
	```c++ stats get_stats() const; ```	```c++ stats get_stats() const; ```
	Returns:;; A statistical description of the insertion and lookup operations performed by the table so far. Notes:;; Only available if xref:reference/stats.adoc#stats[statistics calculation] is xref:concurrent_flat_set_boost_unordered_enable_stats[enabled].	返回值：;; 该哈希表迄今为止执行的插入与查找操作的统计信息。备注：;; 仅当 xref:reference/stats.adoc#stats[统计计算] 被 xref:concurrent_flat_set_boost_unordered_enable_stats[启用] 时，本接口方可使用。
	```c++ template<class K, class H, class P, class A, class Predicate> typename concurrent_flat_set<K, H, P, A>::size_type erase_if(concurrent_flat_set<K, H, P, A>& c, Predicate pred); ```	```c++ template<class k,="" class="" h,="" p,="" a,="" predicate=""> typename concurrent_flat_set<k, h,="" p,="" a="">::size_type erase_if(concurrent_flat_set<k, h,="" p,="" a="">& c, Predicate pred); ```</k,></k,></class>
	Serialization	序列化
	Saving an concurrent_flat_set to an archive	将 concurrent++_++flat++_++set 保存到归档
	Requires:;; `value_type` is serializable (XML serializable), and it supports Boost.Serialization `save_construct_data`/`load_construct_data` protocol (automatically suported by https://en.cppreference.com/w/cpp/named_req/DefaultConstructible[DefaultConstructible^] types). Concurrency:;; Blocking on `x`.	要求;; `value++_++type` 必须可序列化（支持 XML 序列化），且需要支持 Boost.Serialization 的 `save++_++construct++_++data` / `load++_++construct++_++data` 协议（该协议自动支持满足 https://en.cppreference.com/w/cpp/named_req/DefaultConstructible[可默认构造] 要求的类型）。并发性;; 阻塞于 `x` 。
	`std::allocator_traits<Alloc>::deallocate`	`std::allocator_traits<alloc>::deallocate`</alloc>
	Returns:;; The number of elements in the table.	返回值：;; 哈希表中的元素总数。
	Notes:;; In the presence of concurrent insertion operations, the value returned may not accurately reflect the true size of the table right after execution.	注意：;; 在存在并发插入操作时，返回的值可能无法准确反映函数执行后哈希表的真实大小。
	max_size	max_size
	```c++ concurrent_flat_set(std::initializer_list<value_type> il, const allocator_type& a); ```	```c++ concurrent_flat_set(std::initializer_list<value_type> il, const allocator_type& a); ```</value_type>
	The internal data structure of `boost::concurrent_flat_set` is similar to that of `boost::unordered_flat_set`. As a result of its using open-addressing techniques, `value_type` must be move-constructible and pointer stability is not kept under rehashing.	`boost::concurrent++_++flat++_++set` 的内部数据结构类似于 `boost::unordered++_++flat++_++set` 。由于其采用开放寻址技术， `value++_++type` 必须满足可移动构造要求，且在重哈希过程中无法保持指针稳定性。
	Template Parameters	模板参数
	and https://en.cppreference.com/w/cpp/named_req/Erasable[Erasable^] from the container.	https://en.cppreference.com/w/cpp/named_req/MoveInsertable[可移动插入] 到容器中的要求，且需满足从容器中 https://en.cppreference.com/w/cpp/named_req/Erasable[可擦除] 的要求。
	A unary function object type that acts a hash function for a `Key`. It takes a single argument of type `Key` and returns a value of type `std::size_t`.	一种为`Key`提供哈希功能的一元函数对象类型。它接受单个`Key`类型参数，并返回`std::size_t`类型的值。
	A binary function object that induces an equivalence relation on values of type `Key`. It takes two arguments of type `Key` and returns a value of type `bool`.	一种二元函数对象，用于在Key类型的值上构建等价关系。它接受两个Key类型的参数，并返回一个bool类型的值。

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