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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].
Effects:;; Sets to zero the internal statistics kept by the table. Notes:;; Only available if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] is被 xref:concurrent_node_map_boost_unordered_enable_stats[enabled]. 启用时可用。
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```c++ void reset_stats() noexcept; ```
```c++ void reset_stats() noexcept; ```
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reset_stats
reset_stats
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---
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:1804
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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].
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。
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```c++ stats get_stats() const; ```
```c++ stats get_stats() const; ```
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get_stats
get_stats
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Statistics
Statistics统计信息
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---
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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`.
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`.。
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Similar to `rehash`, this function can be used to grow or shrink the number of buckets in the table.
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。
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Equivalent to `a.rehash(ceil(n / a.max_load_factor()))`.
Equivalent to效果：;; 等价于 `a.rehash(ceil(n / a.max_load_factor()))`.。
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```c++ void reserve(size_type n); ```
```c++ void reserve(size_type n); ```
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reserve
reserve保留
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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`. ---
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`. ---。
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When `size() == 0`, `rehash(0)` will deallocate the underlying buckets array.
When效果：;; 当容器元素数量 `size() == 0`, 时，调用 `rehash(0)` will deallocate the underlying buckets array.会释放底层桶数组的内存。
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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.
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()`。
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```c++ void rehash(size_type n); ```
```c++ void rehash(size_type n); ```
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rehash
rehash重哈希
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---
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:1762
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