Boost Unordered Translation (zh_Hans)/Doc / Modules / Root / Pages / Reference / Concurrent Node Map (adoc) — Chinese (Simplified Han script) @ Boost-Weblate: Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/MoveInsertable[MoveInsertable^]. Returns:;; `true` if an insert took …

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Key	English	Chinese (Simplified Han script)
:996	---	---
	Modifiers	修改器
	emplace	原地构造
	```c++ template<class... Args> bool emplace(Args&&... args); ```	```c++ template<class... args=""> bool emplace(Args&&... args); ```</class...>
	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.	当且仅当哈希表中不存在等价键的元素时，才会使用参数 `args` 构造对象并插入到哈希表中。
	Requires:;; `value_type` is constructible from `args`. Returns:;; `true` if an insert took place. Concurrency:;; Blocking on rehashing of `*this`. Notes:;; 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` 可由参数 `args` 构造。返回值：;; 成功插入元素时返回 `true`。并发特性：;; 当对当前对象执行重哈希操作时会阻塞。注意：;; 若 `args...` 格式为 `k,v`，则会仅使用参数 `k` 进行键检查，直到确定需要插入元素时，才会构造完整对象。
:1013	---	---
	Copy Insert	复制插入
	```c++ bool insert(const value_type& obj); bool insert(const init_type& obj); ```	```c++ bool insert(const value_type& obj); bool insert(const init_type& obj); ```
:1021	Inserts `obj` in the table if and only if there is no element in the table with an equivalent key.	当且仅当哈希表中不存在键等价的元素时，将`obj`插入表中。
	Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/CopyInsertable[CopyInsertable^]. Returns:;; `true` if an insert took place. + Concurrency:;; Blocking on rehashing of `*this`. Notes:;; A call of the form `insert(x)`, where `x` is equally convertible to both `const value_type&` and `const init_type&`, is not ambiguous and selects the `init_type` overload.	要求：;; `value_type` 满足 https://en.cppreference.com/w/cpp/named_req/CopyInsertable[CopyInsertable^] 要求。返回值：;; 成功执行插入操作则返回 `true`。并发特性：;; 对当前对象执行重哈希操作时会发生阻塞。注意：;; 若调用形式为 `insert(x)`，且 `x` 可同时隐式转换为 `const value_type&` 与 `const init_type&`，该调用不存在歧义，会选用 `init_type` 重载版本。
:1029	---	---
	Move Insert	移动插入
	```c++ bool insert(value_type&& obj); bool insert(init_type&& obj); ```	```c++ bool insert(value_type&& obj); bool insert(init_type&& obj); ```
:1037	Inserts `obj` in the table if and only if there is no element in the table with an equivalent key.	当且仅当哈希表中不存在等价键的元素时，将`obj`插入表中。
	Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/MoveInsertable[MoveInsertable^]. Returns:;; `true` if an insert took place. Concurrency:;; Blocking on rehashing of `*this`. Notes:;; A call of the form `insert(x)`, where `x` is equally convertible to both `value_type&&` and `init_type&&`, is not ambiguous and selects the `init_type` overload.	要求：;; `value_type` 满足 https://en.cppreference.com/w/cpp/named_req/MoveInsertable[MoveInsertable^] 要求。返回值：;; 成功执行插入操作则返回 `true`。并发特性：;; 对当前对象执行重哈希操作时会发生阻塞。注意：;; 若调用形式为 `insert(x)`，且 `x` 可同时转换为 `value_type&&` 与 `init_type&&`，该调用不存在歧义，会选用 `init_type` 重载版本。
:1045	---	---
	Insert Iterator Range	迭代器范围插入
	```c++ template<class InputIterator> size_type insert(InputIterator first, InputIterator last); ```	```c++ template<class inputiterator=""> size_type insert(InputIterator first, InputIterator last); ```</class>
:1052	Equivalent to [listing,subs="+macros,+quotes"]	等价于 [listing,subs="+macros,+quotes"]
:1059	Returns:;; The number of elements inserted.	返回值：;; 成功插入的元素数量。
:1061	---	---
	Insert Initializer List	初始化列表插入
	```c++ size_type insert(std::initializer_list<value_type> il); ```	```c++ size_type insert(std::initializer_list<value_type> il); ```</value_type>
:1068	Equivalent to [listing,subs="+macros,+quotes"]	等价于 [listing,subs="+macros,+quotes"]
:1075	Returns:;; The number of elements inserted.	返回值：;; 成功插入的元素个数。
:1077	---	---
	Insert Node	节点插入
	```c++ insert_return_type insert(node_type&& nh); ```	```c++ insert_return_type insert(node_type&& nh); ```
	If `nh` is not empty, inserts the associated element in the table if and only if there is no element in the table with a key equivalent to `nh.key()`. `nh` is empty when the function returns.	若`nh`非空，则当且仅当哈希表中不存在与`nh.key()`等价的键时，将关联元素插入表中。函数返回时，`nh`为空。
:1088	Returns:;; An `insert_return_type` object constructed from `inserted` and `node`: +	返回值：;; 由`inserted`和`node`构造的`insert_return_type`对象：

	English	Chinese (Simplified Han script)	Actions
	Invokes `f` with references to each of the elements in the table until `f` returns `false` or all the elements are visited. Such references to the elements are const iff `*this` is const. Execution is parallelized according to the semantics of the execution policy specified.	以哈希表中每个元素的引用调用函数 `f`，直到 `f` 返回 `false` 或遍历完所有元素。当且仅当 `*this` 为常量时，元素的引用为常量引用。执行过程将根据指定执行策略的语义进行并行化处理。
	Returns:;; `false` iff `f` ever returns `false`. Throws:;; Depending on the exception handling mechanism of the execution policy used, may call `std::terminate` if an exception is thrown within `f`. Notes:;; Only available in compilers supporting C++17 parallel algorithms. + + These overloads only participate in overload resolution if `std::is_execution_policy_v<std::remove_cvref_t<ExecutionPolicy>>` is `true`. + + Unsequenced execution policies are not allowed. + + Parallelization implies that execution does not necessary finish as soon as `f` returns `false`, and as a result `f` may be invoked with further elements for which the return value is also `false`.	返回值：;; 当且仅当 `f` 曾返回 `false` 时，返回 `false`。抛出异常：;; 依据所使用执行策略的异常处理机制，若 `f` 内部抛出异常，则可能调用 `std::terminate`。注意：;; 仅在支持 C++17 并行算法的编译器中可用。仅当 `std::is_execution_policy_v<std::remove_cvref_t<executionpolicy>>` 为 `true` 时，这些重载版本才参与重载决议。不允许使用无序执行策略。并行化意味着：一旦 `f` 返回 `false`，执行流程不一定会立即终止，因此 `f` 可能还会被继续用于后续元素，且这些调用的返回值同样为 `false`。</std::remove_cvref_t<executionpolicy>
	Returns:;; `size() == 0`	返回值：;; `size() == 0`（容器为空时返回 true，否则返回 false）
	size	大小
	```c++ size_type size() const noexcept; ```	```c++ size_type size() const noexcept; ```
	Returns:;; The number of elements in the table.	返回值：;; 哈希表中的元素总数。
	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：;; 哈希表能容纳的最大元素数量（最大容量）。
	Modifiers	修改器
	emplace	原地构造
	```c++ template<class... Args> bool emplace(Args&&... args); ```	```c++ template<class... args=""> bool emplace(Args&&... args); ```</class...>
	Copy Insert	复制插入
	```c++ bool insert(const value_type& obj); bool insert(const init_type& obj); ```	```c++ bool insert(const value_type& obj); bool insert(const init_type& obj); ```
	Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/CopyInsertable[CopyInsertable^]. Returns:;; `true` if an insert took place. + Concurrency:;; Blocking on rehashing of `*this`. Notes:;; A call of the form `insert(x)`, where `x` is equally convertible to both `const value_type&` and `const init_type&`, is not ambiguous and selects the `init_type` overload.	要求：;; `value_type` 满足 https://en.cppreference.com/w/cpp/named_req/CopyInsertable[CopyInsertable^] 要求。返回值：;; 成功执行插入操作则返回 `true`。并发特性：;; 对当前对象执行重哈希操作时会发生阻塞。注意：;; 若调用形式为 `insert(x)`，且 `x` 可同时隐式转换为 `const value_type&` 与 `const init_type&`，该调用不存在歧义，会选用 `init_type` 重载版本。
	Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/MoveInsertable[MoveInsertable^]. Returns:;; `true` if an insert took place. Concurrency:;; Blocking on rehashing of `*this`. Notes:;; A call of the form `insert(x)`, where `x` is equally convertible to both `value_type&&` and `init_type&&`, is not ambiguous and selects the `init_type` overload.	要求：;; `value_type` 满足 https://en.cppreference.com/w/cpp/named_req/MoveInsertable[MoveInsertable^] 要求。返回值：;; 成功执行插入操作则返回 `true`。并发特性：;; 对当前对象执行重哈希操作时会发生阻塞。注意：;; 若调用形式为 `insert(x)`，且 `x` 可同时转换为 `value_type&&` 与 `init_type&&`，该调用不存在歧义，会选用 `init_type` 重载版本。
	```c++ size_type insert(std::initializer_list<value_type> il); ```	```c++ size_type insert(std::initializer_list<value_type> il); ```</value_type>
	Insert Node	节点插入
	Throws:;; If an exception is thrown by an operation other than a call to `hasher` the function has no effect. Concurrency:;; Blocking on rehashing of `*this`. Notes:;; Behavior is undefined if `nh` is not empty and the allocators of `nh` and the container are not equal.	若 `nh` 非空，则当且仅当容器中不存在键等价于 `nh.key()` 的元素时，插入关联元素。函数返回时 `nh` 为空。
	try_emplace	try_emplace
	```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...>
	Inserts an element constructed from `k` and `args` into the table if there is no existing element with key `k` contained within it.	若表中不存在键为`k`的元素，则将由`k`和`args`构造的元素插入表中。
	Inserts an element constructed from `k` and `args` into the table if there is no existing element with key `k` contained within it. Otherwise, invokes `f` with a reference to the equivalent element; such reference is const iff a `*_cvisit` overload is used.	若表中不存在键为`k`的元素，则将由`k`和`args`构造的元素插入表中。否则，以指向等价元素的引用调用`f`；当且仅当使用`*_cvisit`重载版本时，该引用为常量引用。
	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>
	Throws:;; Depending on the exception handling mechanism of the execution policy used, may call `std::terminate` if an exception is thrown within `f`. Notes:;; Only available in compilers supporting C++17 parallel algorithms. + + This overload only participates in overload resolution if `std::is_execution_policy_v<std::remove_cvref_t<ExecutionPolicy>>` is `true`. + + Unsequenced execution policies are not allowed.	抛出异常：;; 依据所使用执行策略的异常处理机制，若 `f` 内部抛出异常，可能会调用 `std::terminate`。注意：;; 仅在支持 C++17 并行算法的编译器中可用。该重载版本仅在`std::is_execution_policy_v<std::remove_cvref_t<executionpolicy>>` 为 `true` 时参与重载决议。不允许使用无序执行策略。</std::remove_cvref_t<executionpolicy>
	```c++ void clear() noexcept; ```	```c++ void clear() noexcept; ```
	Erases all elements in the table.	清空表中的所有元素。
	Postconditions:;; `size() == 0`, `max_load() >= max_load_factor() * bucket_count()` Concurrency:;; Blocking on `*this`.	后置条件：;; `size() == 0`，且 `max_load() >= max_load_factor() * bucket_count()` 并发特性：;; 阻塞当前容器 `*this`。
	Map Operations	映射操作
	count	count

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Chinese (Simplified Han script) 210 characters editedCurrent translationState: Translated

~~Requires:~~要求：;; `value_type` is满足 https://en.cppreference.com/w/cpp/named_req/MoveInsertable[MoveInsertable^]. Returns:;; `true` if an insert took place. Concurrency:;; Blocking on rehashing of `*this`. Notes:;; A call of the form ìnsert(x)`, where `x` is equally convertible to both `value_type&&` and ìnit_type&&`, is not ambiguous and selects the 要求。
返回值：;; 成功执行插入操作则返回 `true`。
并发特性：;; 对当前对象执行重哈希操作时会发生阻塞。
注意：;; 若调用形式为 ìnsert(x)`，且 `x` 可同时转换为 `value_type&&` 与 ìnit_type&&`，该调用不存在歧义，会选用 ìnit_type` ~~overload.~~重载版本。

06/05/2026

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Chinese (Simplified Han script) 367 characters editedPrevious translationState: Needs editing (Needs rewriting)

06/05/2026

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51979

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:1040

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doc/modules/ROOT/pages/reference/concurrent_node_map_zh_Hans.adoc, string 227

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