Boost Unordered Translation (zh_Hans)/Doc / Modules / Root / Pages / Reference / Concurrent Node Map (adoc) — Chinese (Simplified Han script) @ Boost-Weblate: Equivalent to `a.rehash(ceil(n / a.max_load

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Key	English	Chinese (Simplified Han script)
	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_map`.	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_map` 保持兼容。
:1745	---	---
	max_load	max_load（最大负载）
	```c++ size_type max_load() const noexcept; ```	```c++ size_type max_load() const noexcept; ```
	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：;; 表在不进行重哈希的情况下可容纳的最大元素数量（假设不会再删除任何元素）。注意：;; 构造、重哈希或清空后，表的最大装载量至少为 `max_load_factor() * bucket_count()`。在高负载条件下执行删除操作时，该数值可能会降低。在存在并发插入操作的情况下，返回的值可能无法精确反映执行后容器的真实状态。
:1762	---	---
	rehash	重哈希
	```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。适用时，该操作会增大或缩小容器的桶数量 `bucket_count()`。
	When `size() == 0`, `rehash(0)` will deallocate the underlying buckets array.	效果：;; 当容器元素数量 `size() == 0` 时，调用 `rehash(0)` 会释放底层桶数组的内存。
	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`. ---	抛出异常：;; 若抛出异常，函数不会产生任何效果（由容器的哈希函数或比较函数抛出的异常除外）。并发特性：;; 阻塞当前容器 `*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()))`.	效果：;; 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.	效果：;; 与 `rehash` 功能类似，该函数可用于增大或缩小容器的桶数量。
	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`.	抛出异常：;; 若抛出异常，函数不会产生任何效果（由容器的哈希函数或比较函数抛出的异常除外）。并发特性：;; 阻塞当前容器 `*this`。
:1791	---	---
	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_node_map_boost_unordered_enable_stats[enabled].	返回值：;; 表截至目前执行的插入和查找操作的统计信息描述。注意：;; 仅当启用了统计信息计算功能时可用。
:1804	---	---
	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_node_map_boost_unordered_enable_stats[enabled].	效果：;; 将容器维护的内部统计数据归零。注意：;; 仅当 xref:reference/stats.adoc#stats[statistics calculation] 被 xref:concurrent_node_map_boost_unordered_enable_stats[enabled] 启用时可用。
:1815	---	---
	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。

	English	Chinese (Simplified Han script)	Actions
	Iterator Range Constructor	迭代器范围构造函数
	Constructs an empty table with at least `n` buckets, using `hf` as the hash function, `eql` as the key equality predicate and `a` as the allocator, 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，并将 `++[++f, l)` 范围内的元素插入其中。
	```c++ concurrent_node_map(concurrent_node_map const& other); ```	```c++ concurrent_node_map(concurrent_node_map const& other); ```
	The copy constructor. Copies the contained elements, hash function, predicate and allocator.	复制构造函数。复制容器内元素、哈希函数、谓词及分配器。
	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` 存在且签名正确，则分配器将由其返回值构造。
	rehash	重哈希
	Requires:;; `value_type` is copy constructible Concurrency:;; Blocking on `other`.	要求：;; `value_type` 是可复制构造的并发：;; 阻塞 `other`
	The move constructor. The internal bucket array of `other` is transferred directly to the new table. The hash function, predicate and allocator are moved-constructed from `other`. If statistics are xref:concurrent_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。将 `other` 的内部桶数组直接转移到新哈希表中。哈希函数、谓词和分配器均从 `other` 移动构造而来。若启用了 xref:concurrent_node_map_boost_unordered_enable_stats[统计功能]，则从 `other` 转移内部统计信息，并调用 `other.reset_stats()`。
	Iterator Range Constructor with Allocator	带分配器的迭代器范围构造函数
	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。适用时，该操作会增大或缩小容器的桶数量 `bucket_count()`。
	```c++ template<class InputIterator> concurrent_node_map(InputIterator f, InputIterator l, const allocator_type& a); ```	```c++ template<class inputiterator=""> concurrent_node_map(InputIterator f, InputIterator l, const allocator_type& a); ```</class>
	Constructs an empty table using `a` as the allocator, with the default hash function and key equality predicate and inserts the elements from `[f, l)` into it.	构造一个以 `a` 为分配器、使用默认哈希函数与键相等谓词的空哈希表，并将 `[f, l)` 范围内的元素插入其中。
	Copy Constructor with Allocator	带分配器的复制构造函数
	```c++ concurrent_node_map(concurrent_node_map const& other, Allocator const& a); ```	```c++ concurrent_node_map(concurrent_node_map const& other, Allocator const& a); ```
	```c++ void reserve(size_type n); ```	```c++ void reserve(size_type n); ```
	Equivalent to `a.rehash(ceil(n / a.max_load_factor()))`.	效果：;; 等价于 `a.rehash(ceil(n / a.max_load_factor()))`。
	Constructs a table, copying ``other``'s contained elements, hash function, and predicate, but using allocator `a`.	构造一个哈希表，复制 `other` 的容器元素、哈希函数和谓词，但使用分配器 `a`。
	Similar to `rehash`, this function can be used to grow or shrink the number of buckets in the table.	效果：;; 与 `rehash` 功能类似，该函数可用于增大或缩小容器的桶数量。
	Move Constructor with Allocator	带分配器的移动构造函数
	```c++ concurrent_node_map(concurrent_node_map&& other, Allocator const& a); ```	```c++ concurrent_node_map(concurrent_node_map&& other, Allocator const& a); ```
	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`.	抛出异常：;; 若抛出异常，函数不会产生任何效果（由容器的哈希函数或比较函数抛出的异常除外）。并发特性：;; 阻塞当前容器 `*this`。
	If `a == other.get_allocator()`, the elements of `other` are transferred directly to the new table; 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:concurrent_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()`.	若 `a == other.get_allocator()`，则将 `other` 的元素直接转移到新哈希表中；否则从 `other` 的元素移动构造出新元素。哈希函数与谓词从 `other` 移动构造而来，分配器从 `a` 复制构造而来。若启用了 xref:concurrent_node_map_boost_unordered_enable_stats[统计功能]，仅当 `a == other.get_allocator()` 时从 `other` 转移内部统计信息，且始终调用 `other.reset_stats()`。
	Statistics	统计信息
	get_stats	get_stats
	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_node_map_boost_unordered_enable_stats[enabled].	效果：;; 将容器维护的内部统计数据归零。注意：;; 仅当 xref:reference/stats.adoc#stats[statistics calculation] 被 xref:concurrent_node_map_boost_unordered_enable_stats[enabled] 启用时可用。
	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 table 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_

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