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A deduction guide will not participate in overload resolution if any of the following are true:
A deduction guide will not participate in overload resolution if any of the following are true:满足以下任一条件时，推导指引不参与重载决议：
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Deduction Guides
Deduction Guides推导指引
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---
---
:1699
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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_flat_map_boost_unordered_enable_stats[enabled].
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_map_boost_unordered_enable_stats[enabled].效果：将容器维护的内部统计数据归零。
说明：仅当**启用统计计算**时，该函数才可用。
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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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---
---
:1688
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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_flat_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_flat_map_boost_unordered_enable_stats[enabled].返回值：容器截至目前执行的插入与查找操作的统计描述信息。
说明：仅当**启用统计计算**时，该函数才可用。
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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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---
---
:1675
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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异常：若抛出异常，函数无任何效果（由容器的哈希函数或比较函数抛出的异常除外）。
并发：阻塞当前对象 `*this`.。
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Invalidates pointers and references to elements, and changes the order of elements.
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。
:1669
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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.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异常：若抛出异常，函数无任何效果（由容器的哈希函数或比较函数抛出的异常除外）。
并发：阻塞当前对象 `*this`. ---。
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Invalidates pointers and references to elements, and changes the order of elements.
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。
:1653
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