Boost Unordered Translation (zh_Hans)/Doc / Modules / Root / Pages / Reference / Concurrent Flat Map (adoc) — Chinese (Simplified Han script) @ Boost-Weblate: The move constructor. The internal bucket array of `other` is …

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	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.	构造一个至少包含n个桶的空表，使用hf作为哈希函数、eql作为键相等谓词、a作为分配器。
:473	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必须满足https://en.cppreference.com/w/cpp/named_req/DefaultConstructible[默认可构造]要求。
:476	---	---
	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。
:492	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。
:494	---	---
	Copy Constructor	复制构造函数
	```c++ concurrent_flat_map(concurrent_flat_map const& other); ```	```c++ concurrent_flat_map(concurrent_flat_map const& other); ```
	The copy constructor. Copies the contained elements, hash function, predicate and allocator.	拷贝构造函数。复制容器内的元素、哈希函数、谓词以及分配器。
	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，则分配器将根据其返回值构造。
	Requires:;; `value_type` is copy constructible Concurrency:;; Blocking on `other`.	要求：value_type 支持复制构造。并发特性：阻塞于 other
:509	---	---
	Move Constructor	移动构造函数
	```c++ concurrent_flat_map(concurrent_flat_map&& other); ```	```c++ concurrent_flat_map(concurrent_flat_map&& 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_flat_map_boost_unordered_enable_stats[enabled], transfers the internal statistical information from `other` and calls `other.reset_stats()`.	移动构造函数。other 的内部桶数组会直接转移到新表中。哈希函数、谓词和分配器均从 other 移动构造而来。如果启用了 xref:concurrent_flat_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()。
:522	Concurrency:;; Blocking on `other`.	并发特性：阻塞于 other
:524	---	---
	Iterator Range Constructor with Allocator	带分配器的迭代器范围构造函数
	```c++ template<class InputIterator> concurrent_flat_map(InputIterator f, InputIterator l, const allocator_type& a); ```	```c++ template<class inputiterator=""> concurrent_flat_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.	以a作为分配器，使用默认哈希函数与键相等谓词构造空表，并将[f, l)范围内的元素插入其中。
:535	Requires:;; `hasher`, `key_equal` need to be https://en.cppreference.com/w/cpp/named_req/DefaultConstructible[DefaultConstructible^].	要求：hasher、key_equal 必须满足https://en.cppreference.com/w/cpp/named_req/DefaultConstructible[默认可构造]要求。
:537	---	---
	Allocator Constructor	分配器构造函数
	```c++ explicit concurrent_flat_map(Allocator const& a); ```	```c++ explicit concurrent_flat_map(Allocator const& a); ```
	Constructs an empty table, using allocator `a`.	使用分配器a构造一个空表。
:546	---	---
	Copy Constructor with Allocator	带分配器的复制构造函数
	```c++ concurrent_flat_map(concurrent_flat_map const& other, Allocator const& a); ```	```c++ concurrent_flat_map(concurrent_flat_map const& other, Allocator const& a); ```
	Constructs a table, copying ``other``'s contained elements, hash function, and predicate, but using allocator `a`.	构造一个表，复制other的容器元素、哈希函数和谓词，但使用分配器a。
:556	Concurrency:;; Blocking on `other`.	并发特性：阻塞于 other

	English	Chinese (Simplified Han script)	Actions
	Mutable modification of the element:	对元素的可变修改：
	```c++ [[nodiscard]] bool empty() const noexcept; ```	```c++ [[nodiscard]] bool empty() const noexcept; ```
	```c++ size_type size() const noexcept; ```	```c++ size_type size() const noexcept; ```
	Returns:;; The number of elements in the table.	返回值：表中的元素数量。
	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容器的真实大小。
	max_size	max_size
	```c++ size_type max_size() const noexcept; ```	```c++ size_type max_size() const noexcept; ```
	Returns:;; `size()` of the largest possible table.	返回值：容器所能容纳的最大元素数量（最大容量）。
	Modifiers	修改器
	Inserts an object, constructed with the arguments `args`, in the table if and only if there is no element in the table with an equivalent key.	当且仅当容器中不存在等价键的元素时，才会使用参数 args 构造对象并插入到容器中。
	Requires:;; `value_type` is constructible from `args`. Returns:;; `true` if an insert took place. Concurrency:;; Blocking on rehashing of `*this`. Notes:;; Invalidates pointers and references to elements if a rehashing is issued. + + If `args...` is of the form `k,v`, it delays constructing the whole object until it is certain that an element should be inserted, using only the `k` argument to check.	要求：`value_type` 可从 `args` 构造。返回：若执行了插入则返回 `true`。并发：在 `*this` 的 rehash 操作上阻塞。注意：如果执行了 rehash，则指向元素的指针和引用会失效。+ +若 `args...` 的形式为 `k,v`，则仅在确定应插入元素时才构造整个对象，检查时仅使用 `k` 参数。
	Copy Insert	复制插入
	Synopsis	概要
	Description	描述
	Chunk size internally used in xref:concurrent_flat_map_bulk_visit[bulk visit] operations.	xref:concurrent_flat_map_bulk_visit [批量访问] 操作内部使用的块大小。
	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_flat_map_boost_unordered_enable_stats[enabled], transfers the internal statistical information from `other` and calls `other.reset_stats()`.	移动构造函数。other 的内部桶数组会直接转移到新表中。哈希函数、谓词和分配器均从 other 移动构造而来。如果启用了 xref:concurrent_flat_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()。
	Move Constructor with Allocator	带分配器的移动构造函数
	Insert Initializer List	初始化列表插入
	```c++ template<class InputIterator,class F> size_type insert_or_visit(InputIterator first, InputIterator last, F f); template<class InputIterator,class F> size_type insert_or_cvisit(InputIterator first, InputIterator last, F f); ```	```c++ template<class inputiterator,class="" f=""> size_type insert_or_visit(InputIterator first, InputIterator last, F f); template<class inputiterator,class="" f=""> size_type insert_or_cvisit(InputIterator first, InputIterator last, F f); ```</class></class>
	Insert Iterator Range and Visit	迭代器范围插入并访问
	```c++ template<class... Args> bool try_emplace(const key_type& k, Args&&... args); template<class... Args> bool try_emplace(key_type&& k, Args&&... args); template<class K, class... Args> bool try_emplace(K&& k, Args&&... args); ```	```c++ template<class... args=""> bool try_emplace(const key_type& k, Args&&... args); template<class... args=""> bool try_emplace(key_type&& k, Args&&... args); template<class k,="" class...="" args=""> bool try_emplace(K&& k, Args&&... args); ```</class></class...></class...>
	unlike xref:#concurrent_flat_map_emplace[emplace], which simply forwards all arguments to ``value_type``'s constructor.	这与 xref:#concurrent_flat_map_emplace [emplace] 不同，后者仅将所有参数转发给value_type的构造函数。
	insert_or_assign	insert_or_assign
	If there is no such element, it is added to the table as: ```c++	若不存在该元素，则将其以如下形式添加到容器中：
	value_type(std::piecewise_construct, std::forward_as_tuple(std::forward<Key>(k)), std::forward_as_tuple(std::forward<M>(obj)))	value_type(std::piecewise_construct, std::forward_as_tuple(std::forward<key>(k)), std::forward_as_tuple(std::forward<m>(obj)))</m></key>
	value_type(std::piecewise_construct, std::forward_as_tuple(std::forward<K>(k)), std::forward_as_tuple(std::forward<M>(obj))) ```	value_type(std::piecewise_construct, std::forward_as_tuple(std::forward<k>(k)), std::forward_as_tuple(std::forward<m>(obj))) ```</m></k>
	Erases the element with key equivalent to `k` if it exists.	若存在键等价于`k`的元素，则删除该元素。
	Erases the element `x` with key equivalent to `k` if it exists and `f(x)` is `true`.	若存在键与 `k` 等价的元素 `x`，且 `f(x)` 返回 `true`，则删除该元素。
	```c++ template<class ExecutionPolicy, class F> void erase_if(ExecutionPolicy&& policy, F f); ```	```c++ template<class executionpolicy,="" class="" f=""> void erase_if(ExecutionPolicy&& policy, F f); ```</class>
	Invokes `f` with non-const references to each of the elements in the table, and erases those for which `f` returns `true`. Execution is parallelized according to the semantics of the execution policy specified.	依次以非常量引用为参数，对容器中的每个元素调用`f`，并删除所有`f`返回`true`的元素。执行过程将根据指定的执行策略语义进行并行化处理。

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Chinese (Simplified Han script) 261 characters editedCurrent translationState: Translated

The move constructor. The internal bucket array of òther` is transferred directly to the new table. The hash function, predicate and allocator are moved-constructed from òther`. If statistics are xref:concurrent_flat_map_boost_unordered_enable_stats[enabled], transfers the internal statistical information from òther` and calls `移动构造函数。other 的内部桶数组会直接转移到新表中。哈希函数、谓词和分配器均从 other 移动构造而来。如果启用了 xref:concurrent_flat_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()`.。

06/05/2026

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Chinese (Simplified Han script) 354 characters editedPrevious translationState: Needs editing (Needs rewriting)

06/05/2026

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