Boost Unordered Translation (zh_Hans)/Doc / Modules / Root / Pages / Reference / Concurrent Flat Set (adoc) — Chinese (Simplified Han script) @ Boost-Weblate: erase

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Key	English	Chinese (Simplified Han script)
	Insert Iterator Range and Visit	迭代器范围插入并访问
	```c++ template<class InputIterator,class F1, class F2> size_type insert_and_visit(InputIterator first, InputIterator last, F1 f1, F2 f2); template<class InputIterator,class F1, class F2> size_type insert_and_cvisit(InputIterator first, InputIterator last, F1 f1, F2 f2); ```	```c++ template<class inputiterator,class="" f1,="" class="" f2=""> size_type insert_and_visit(InputIterator first, InputIterator last, F1 f1, F2 f2); template<class inputiterator,class="" f1,="" class="" f2=""> size_type insert_and_cvisit(InputIterator first, InputIterator last, F1 f1, F2 f2); ```</class></class>
:1177	Equivalent to [listing,subs="+macros,+quotes"]	等效于 [listing,subs="+macros,+quotes"]
:1184	Returns:;; The number of elements inserted.	返回值：;; 插入的元素数量。
:1186	---	---
	Insert Initializer List and Visit	初始化列表插入并访问
	```c++ template<class F1, class F2> size_type insert_and_visit(std::initializer_list<value_type> il, F1 f1, F2 f2); template<class F1, class F2> size_type insert_and_cvisit(std::initializer_list<value_type> il, F1 f1, F2 f2); ```	```c++ template<class f1,="" class="" f2=""> size_type insert_and_visit(std::initializer_list<value_type> il, F1 f1, F2 f2); template<class f1,="" class="" f2=""> size_type insert_and_cvisit(std::initializer_list<value_type> il, F1 f1, F2 f2); ```</value_type></class></value_type></class>
:1196	Equivalent to [listing,subs="+macros,+quotes"]	等效于 [listing,subs="+macros,+quotes"]
:1203	Returns:;; The number of elements inserted.	返回值：;; 插入的元素数量。
:1205	---	---
	erase	擦除
	```c++ size_type erase(const key_type& k); template<class K> size_type erase(const K& k); ```	```c++ size_type erase(const key_type& k); template<class k=""> size_type erase(const K& k); ```</class>
	Erases the element with key equivalent to `k` if it exists.	若存在键与`k`等价的元素，则将其删除。
	Returns:;; The number of elements erased (0 or 1). Throws:;; Only throws an exception if it is thrown by `hasher` or `key_equal`. Notes:;; The `template<class K>` overload only participates in overload resolution if `Hash::is_transparent` and `Pred::is_transparent` are valid member typedefs. The library assumes that `Hash` is callable with both `K` and `Key` and that `Pred` is transparent. This enables heterogeneous lookup which avoids the cost of instantiating an instance of the `Key` type.	返回值：;; 删除的元素数量（0 或 1）。抛出：;; 仅当 `hasher` 或 `key_equal` 抛出异常时才会抛出异常。备注：;; `template<class k="">` 重载仅当 `Hash::is_transparent` 和 `Pred::is_transparent` 为合法成员类型别名时才参与重载决议。标准库假定 `Hash` 可同时接受 `K` 与 `Key` 类型调用，且 `Pred` 是透明的。这实现了异构查找，避免了实例化 `Key` 类型对象的开销。</class>
:1220	---	---
	erase_if by Key	通过键进行条件擦除
	```c++ template<class F> size_type erase_if(const key_type& k, F f); template<class K, class F> size_type erase_if(const K& k, F f); ```	```c++ template<class f=""> size_type erase_if(const key_type& k, F f); template<class k,="" class="" f=""> size_type erase_if(const K& k, F f); ```</class></class>
	Erases the element `x` with key equivalent to `k` if it exists and `f(x)` is `true`.	若键与`k`等价的元素存在且`f(x)`为`true`，则删除该元素`x`。
	Returns:;; The number of elements erased (0 or 1). Throws:;; Only throws an exception if it is thrown by `hasher`, `key_equal` or `f`. Notes:;; The `template<class K, class F>` overload only participates in overload resolution if `std::is_execution_policy_v<std::remove_cvref_t<ExecutionPolicy>>` is `false`. + + The `template<class K, class F>` overload only participates in overload resolution if `Hash::is_transparent` and `Pred::is_transparent` are valid member typedefs. The library assumes that `Hash` is callable with both `K` and `Key` and that `Pred` is transparent. This enables heterogeneous lookup which avoids the cost of instantiating an instance of the `Key` type.	返回值：;; 删除的元素数量（0 或 1）。抛出：;; 仅当 `hasher`、`key_equal` 或 `f` 抛出异常时才会抛出异常。备注：;; 仅当 `std::is_execution_policy_v<std::remove_cvref_t<executionpolicy>>` 为 `false` 时，`template<class k,="" class="" f="">` 重载才参与重载决议。仅当 `Hash::is_transparent` 和 `Pred::is_transparent` 为合法成员类型别名时，`template<class k,="" class="" f="">` 重载才参与重载决议。标准库假定 `Hash` 可同时接受 `K` 与 `Key` 类型调用，且 `Pred` 是透明的。这实现了异构查找，避免了实例化 `Key` 类型对象的开销。</class></class></std::remove_cvref_t<executionpolicy>
:1237	---	---
:1239	erase_if	erase++_++if
	```c++ template<class F> size_type erase_if(F f); ```	```c++ template<class f=""> size_type erase_if(F f); ```</class>
	Successively invokes `f` with references to each of the elements in the table, and erases those for which `f` returns `true`.	依次以表中每个元素的引用调用`f`，并删除`f`返回`true`的元素。
	Returns:;; The number of elements erased. Throws:;; Only throws an exception if it is thrown by `f`.	返回值：;; 删除的元素数量。抛出：;; 仅当 `f` 抛出异常时才会抛出异常。
:1250	---	---
	Parallel erase_if	并行条件擦除
	```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 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.	以表中每个元素的引用调用`f`，并删除`f`返回`true`的元素。执行过程将根据指定执行策略的语义进行并行化。
	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：;; 根据所使用执行策略的异常处理机制，若`f`内抛出异常，则可能调用`std::terminate`。备注：;; 仅在支持C++17并行算法的编译器中可用。该重载仅当`std::is_execution_policy_v<std::remove_cvref_t<executionpolicy>>`为`true`时才参与重载决议。不允许使用无顺序执行策略。</std::remove_cvref_t<executionpolicy>
:1268	---	---
	swap	交换

	English	Chinese (Simplified Han script)	Actions
	Constructs an empty table with at least `n` buckets, using `hf` as the hash function, the default hash function and key equality predicate and `a` as the allocator.	构造一个至少包含 `n` 个桶的空容器，以 `hf` 作为哈希函数，使用默认键相等谓词，并以 `a` 作为分配器。
	Postconditions:;; `size() == 0` Requires:;; `key_equal` needs to be https://en.cppreference.com/w/cpp/named_req/DefaultConstructible[DefaultConstructible^].	后置条件：`size() == 0` 要求：`key_equal` 需满足 https://en.cppreference.com/w/cpp/named_req/DefaultConstructible[可默认构造^] 要求。
	Constructs an empty table with at least `n` buckets, using `hf` as the hash function, `a` as the allocator, with the default key equality predicate, 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、 `a` 作为分配器以及默认的键相等性谓词，并将 `++[++f, l)` 范围内的元素插入其中。
	Constructs an empty table with at least `n` buckets, using `hf` as the hash function, `a` as the allocator and default key equality predicate,and inserts the elements from `il` into it.	构造一个至少包含 `n` 个桶的空容器，以 `hf` 作为哈希函数、`a` 作为分配器，使用默认键相等谓词，并将 `il` 中的元素插入其中。
	Destructor	析构函数
	Copy Assignment	复制赋值
	Concurrency:;; Blocking on `*this` and `other`.	并发特性：;; 阻塞 `*this` 与 `other`
	[c]visit_all	[c]visit_all
	Parallel [c]visit_all	并行 [c]visit_all
	Invokes `f` with const references to each of the elements in the table until `f` returns `false` or all the elements are visited. Execution is parallelized according to the semantics of the execution policy specified.	以指向哈希表中每个元素的常量引用调用函数 `f`，直到 `f` 返回 `false` 或遍历完所有元素。执行过程会根据指定执行策略的语义进行并行化。
	```c++ template<class F1, class F2> bool insert_and_visit(const value_type& obj, F1 f1, F2 f2); template<class F1, class F2> bool insert_and_cvisit(const value_type& obj, F1 f1, F2 f2); ```	```c++ template<class f1,="" class="" f2=""> bool insert_and_visit(const value_type& obj, F1 f1, F2 f2); template<class f1,="" class="" f2=""> bool insert_and_cvisit(const value_type& obj, F1 f1, F2 f2); ```</class></class>
	Move insert_and_[c]visit	移动 insert++_++and++_[++c++]++visit
	```c++ template<class F1, class F2> bool insert_and_visit(value_type&& obj, F1 f1, F2 f2); template<class F1, class F2> bool insert_and_cvisit(value_type&& obj, F1 f1, F2 f2); ```	```c++ template<class f1,="" class="" f2=""> bool insert_and_visit(value_type&& obj, F1 f1, F2 f2); template<class f1,="" class="" f2=""> bool insert_and_cvisit(value_type&& obj, F1 f1, F2 f2); ```</class></class>
	```c++ template<class K, class F1, class F2> bool insert_and_visit(K&& k, F1 f1, F2 f2); template<class K, class F1, class F2> bool insert_and_cvisit(K&& k, F1 f1, F2 f2); ```	```c++ template<class k,="" class="" f1,="" f2=""> bool insert_and_visit(K&& k, F1 f1, F2 f2); template<class k,="" class="" f1,="" f2=""> bool insert_and_cvisit(K&& k, F1 f1, F2 f2); ```</class></class>
	Insert Iterator Range and Visit	迭代器范围插入并访问
	erase_if by Key	通过键进行条件擦除
	```c++ template<class F> size_type erase_if(const key_type& k, F f); template<class K, class F> size_type erase_if(const K& k, F f); ```	```c++ template<class f=""> size_type erase_if(const key_type& k, F f); template<class k,="" class="" f=""> size_type erase_if(const K& k, F f); ```</class></class>
	```c++ template<class F> size_type erase_if(F f); ```	```c++ template<class f=""> size_type erase_if(F f); ```</class>
	Successively invokes `f` with references to each of the elements in the table, and erases those for which `f` returns `true`.	依次以表中每个元素的引用调用`f`，并删除`f`返回`true`的元素。
	Returns:;; The number of elements erased. Throws:;; Only throws an exception if it is thrown by `f`.	返回值：;; 删除的元素数量。抛出：;; 仅当 `f` 抛出异常时才会抛出异常。
	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：;; 根据所使用执行策略的异常处理机制，若`f`内抛出异常，则可能调用`std::terminate`。备注：;; 仅在支持C++17并行算法的编译器中可用。该重载仅当`std::is_execution_policy_v<std::remove_cvref_t<executionpolicy>>`为`true`时才参与重载决议。不允许使用无顺序执行策略。</std::remove_cvref_t<executionpolicy>
	swap	交换
	Throws:;; Nothing unless `key_equal` or `hasher` throw on swapping. Concurrency:;; Blocking on `*this` and `other`.	抛出：;; 除非`key_equal`或`hasher`在交换时抛出异常，否则不抛出任何异常。并发：;; 阻塞`*this`和`other`。
	clear	清空
	```c++ void clear() noexcept; ```	```c++ void clear() noexcept; ```
	Erases all elements in the table.	清空表中的所有元素。
	Move-inserts all the elements from `source` whose key is not already present in `*this`, and erases them from `source`.	将`source`中所有键尚未存在于`*this`中的元素移动插入，并从`source`中删除这些元素。
	Returns:;; The number of elements inserted. Concurrency:;; Blocking on `*this` and `source`.	返回值：;; 插入的元素数量。并发：;; 阻塞`*this`和`source`。
	Observers	观察器
	get_allocator	get_allocator

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Chinese (Simplified Han script) 15 characters editedCurrent translationState: Translated

06/05/2026

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Chinese (Simplified Han script) 15 characters editedPrevious translationState: Needs editing (Needs rewriting)

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50445

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:1222

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06/05/2026

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doc/modules/ROOT/pages/reference/concurrent_flat_set_zh_Hans.adoc, string 302

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