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/CopyInsertable[CopyInsertable^]. Returns:;; `true` if an insert took …

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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:;; In a call of the form `insert_or_[c]visit(obj, f)`, the overloads accepting a `const value_type&` argument participate in overload resolution only if `std::remove_cv<std::remove_reference<decltype(obj)>::type>::type` is `value_type`.

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Key	English	Chinese (Simplified Han script)
	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：
:1089	If `nh` is empty, `inserted` is `false` and `node` is empty.	若 `nh` 为空，则 `inserted` 为 `false` 且 `node` 为空。
:1090	Otherwise if the insertion took place, `inserted` is true and `node` is empty.	若插入操作成功，则 `inserted` 为 true，且 `node` 为空。
:1091	If the insertion failed, `inserted` is false and `node` has the previous value of `nh`.	若插入操作失败，则 `inserted` 为 false ，且 `node` 保留 `nh` 的原值。
	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。
:1096	---	---
	emplace_or_[c]visit	emplace_or_[c]visit
	```c++ template<class... Args, class F> bool emplace_or_visit(Args&&... args, F&& f); template<class... Args, class F> bool emplace_or_cvisit(Args&&... args, F&& f); ```	```c++ template<class... args,="" class="" f=""> bool emplace_or_visit(Args&&... args, F&& f); template<class... args,="" class="" f=""> bool emplace_or_cvisit(Args&&... args, F&& f); ```</class...></class...>
	Inserts an object, constructed with the arguments `args`, in the table if there is no element in the table with an equivalent key. Otherwise, invokes `f` with a reference to the equivalent element; such reference is const iff `emplace_or_cvisit` is used.	若表中无等价键元素，则使用参数`args`构造对象并插入表中。否则，调用`f`并传入等价元素的引用；当且仅当使用`emplace_or_cvisit`时，该引用为常量引用。
	Requires:;; `value_type` is constructible from `args`. Returns:;; `true` if an insert took place. Concurrency:;; Blocking on rehashing of `*this`. Notes:;; The interface is exposition only, as C++ does not allow to declare a parameter `f` after a variadic parameter pack.	要求：;; `value_type` 可由参数 `args` 构造。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：;; 该接口仅为说明性接口，因为C++不允许在可变参数包之后声明参数 `f`。
:1113	---	---
	Copy insert_or_[c]visit	复制 insert++_++or++_[++c++]++visit
	```c++ template<class F> bool insert_or_visit(const value_type& obj, F f); template<class F> bool insert_or_cvisit(const value_type& obj, F f); template<class F> bool insert_or_visit(const init_type& obj, F f); template<class F> bool insert_or_cvisit(const init_type& obj, F f); ```	```c++ template<class f=""> bool insert_or_visit(const value_type& obj, F f); template<class f=""> bool insert_or_cvisit(const value_type& obj, F f); template<class f=""> bool insert_or_visit(const init_type& obj, F f); template<class f=""> bool insert_or_cvisit(const init_type& obj, F f); ```</class></class></class></class>
:1123	Inserts `obj` in the table if and only if there is no element in the table with an equivalent key. Otherwise, invokes `f` with a reference to the equivalent element; such reference is const iff a `*_cvisit` overload is used.	当且仅当哈希表中不存在等价键的元素时，将`obj`插入表中。否则，调用`f`并传入等价元素的引用；当且仅当使用`*_cvisit`重载版本时，该引用为常量引用。
	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:;; In a call of the form `insert_or_[c]visit(obj, f)`, the overloads accepting a `const value_type&` argument participate in overload resolution only if `std::remove_cv<std::remove_reference<decltype(obj)>::type>::type` is `value_type`.	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：;; 在形式为 `insert_or_[c]visit(obj, f)` 的调用中，仅当 `std::remove_cv<std::remove_reference<decltype(obj)>::type>::type` 为 `value_type` 时，接受 `const value_type&` 参数的重载版本才会参与重载决议。</std::remove_reference<decltype(obj)>
:1133	---	---
	Move insert_or_[c]visit	移动 insert++_++or++_[++c++]++visit
	```c++ template<class F> bool insert_or_visit(value_type&& obj, F f); template<class F> bool insert_or_cvisit(value_type&& obj, F f); template<class F> bool insert_or_visit(init_type&& obj, F f); template<class F> bool insert_or_cvisit(init_type&& obj, F f); ```	```c++ template<class f=""> bool insert_or_visit(value_type&& obj, F f); template<class f=""> bool insert_or_cvisit(value_type&& obj, F f); template<class f=""> bool insert_or_visit(init_type&& obj, F f); template<class f=""> bool insert_or_cvisit(init_type&& obj, F f); ```</class></class></class></class>
:1143	Inserts `obj` in the table if and only if there is no element in the table with an equivalent key. Otherwise, invokes `f` with a reference to the equivalent element; such reference is const iff a `*_cvisit` overload is used.	当且仅当哈希表中不存在等价键的元素时，将`obj`插入表中。否则，调用`f`并传入等价元素的引用；当且仅当使用`*_cvisit`重载版本时，该引用为常量引用。
	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:;; In a call of the form `insert_or_[c]visit(obj, f)`, the overloads accepting a `value_type&&` argument participate in overload resolution only if `std::remove_reference<decltype(obj)>::type` is `value_type`.	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：;; 在形式为 `insert_or_[c]visit(obj, f)` 的调用中，仅当 `std::remove_reference<decltype(obj)>::type` 为 `value_type` 时，接受 `value_type&&` 参数的重载版本才会参与重载决议。</decltype(obj)>
:1153	---	---
	Insert Iterator Range or Visit	迭代器范围插入或访问
	```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>
:1163	Equivalent to [listing,subs="+macros,+quotes"]	等价于 [listing,subs="+macros,+quotes"]
:1170	Returns:;; The number of elements inserted.	返回值：;; 成功插入的元素个数。
:1172	---	---
	Insert Initializer List or Visit	初始化列表插入或访问
	```c++ template<class F> size_type insert_or_visit(std::initializer_list<value_type> il, F f); template<class F> size_type insert_or_cvisit(std::initializer_list<value_type> il, F f); ```	```c++ template<class f=""> size_type insert_or_visit(std::initializer_list<value_type> il, F f); template<class f=""> size_type insert_or_cvisit(std::initializer_list<value_type> il, F f); ```</value_type></class></value_type></class>
:1180	Equivalent to [listing,subs="+macros,+quotes"]	等价于 [listing,subs="+macros,+quotes"]
:1187	Returns:;; The number of elements inserted.	返回值：;; 成功插入的元素个数。

	English	Chinese (Simplified Han script)	Actions
	```c++ explicit concurrent_node_map(size_type n, const hasher& hf = hasher(), const key_equal& eql = key_equal(), const allocator_type& a = allocator_type()); ```	```c++ explicit concurrent_node_map(size_type n, const hasher& hf = hasher(), const key_equal& eql = key_equal(), const allocator_type& a = allocator_type()); ```
	Copy Constructor	复制构造函数
	```c++ concurrent_node_map(concurrent_node_map&& other); ```	```c++ concurrent_node_map(concurrent_node_map&& other); ```
	Move Constructor from unordered_node_map	基于 unordered_node_map 的移动构造函数
	Iterator Range Constructor with Bucket Count and Allocator	带桶数和分配器的迭代器范围构造函数
	```c++ ~concurrent_node_map(); ```	```c++ ~concurrent_node_map(); ```
	Assignment	赋值操作
	Copy Assignment	复制赋值
	```c++ concurrent_node_map& operator=(concurrent_node_map const& other); ```	```c++ concurrent_node_map& operator=(concurrent_node_map const& other); ```
	Bulk visit	批量访问
	Insert Initializer List	初始化列表插入
	```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。
	Requires:;; `value_type` is constructible from `args`. Returns:;; `true` if an insert took place. Concurrency:;; Blocking on rehashing of `*this`. Notes:;; The interface is exposition only, as C++ does not allow to declare a parameter `f` after a variadic parameter pack.	要求：;; `value_type` 可由参数 `args` 构造。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：;; 该接口仅为说明性接口，因为C++不允许在可变参数包之后声明参数 `f`。
	Copy insert_or_[c]visit	复制 insert++_++or++_[++c++]++visit
	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:;; In a call of the form `insert_or_[c]visit(obj, f)`, the overloads accepting a `const value_type&` argument participate in overload resolution only if `std::remove_cv<std::remove_reference<decltype(obj)>::type>::type` is `value_type`.	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：;; 在形式为 `insert_or_[c]visit(obj, f)` 的调用中，仅当 `std::remove_cv<std::remove_reference<decltype(obj)>::type>::type` 为 `value_type` 时，接受 `const value_type&` 参数的重载版本才会参与重载决议。</std::remove_reference<decltype(obj)>
	Move insert_or_[c]visit	移动 insert++_++or++_[++c++]++visit
	```c++ template<class F> bool insert_or_visit(value_type&& obj, F f); template<class F> bool insert_or_cvisit(value_type&& obj, F f); template<class F> bool insert_or_visit(init_type&& obj, F f); template<class F> bool insert_or_cvisit(init_type&& obj, F f); ```	```c++ template<class f=""> bool insert_or_visit(value_type&& obj, F f); template<class f=""> bool insert_or_cvisit(value_type&& obj, F f); template<class f=""> bool insert_or_visit(init_type&& obj, F f); template<class f=""> bool insert_or_cvisit(init_type&& obj, F f); ```</class></class></class></class>
	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:;; In a call of the form `insert_or_[c]visit(obj, f)`, the overloads accepting a `value_type&&` argument participate in overload resolution only if `std::remove_reference<decltype(obj)>::type` is `value_type`.	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：;; 在形式为 `insert_or_[c]visit(obj, f)` 的调用中，仅当 `std::remove_reference<decltype(obj)>::type` 为 `value_type` 时，接受 `value_type&&` 参数的重载版本才会参与重载决议。</decltype(obj)>
	Insert Iterator Range or Visit	迭代器范围插入或访问
	```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 Initializer List or Visit	初始化列表插入或访问
	```c++ template<class F> size_type insert_or_visit(std::initializer_list<value_type> il, F f); template<class F> size_type insert_or_cvisit(std::initializer_list<value_type> il, F f); ```	```c++ template<class f=""> size_type insert_or_visit(std::initializer_list<value_type> il, F f); template<class f=""> size_type insert_or_cvisit(std::initializer_list<value_type> il, F f); ```</value_type></class></value_type></class>
	Insert Node or Visit	节点插入或访问
	```c++ template<class F> insert_return_type insert_or_visit(node_type&& nh, F f); template<class F> insert_return_type insert_or_cvisit(node_type&& nh, F f); ```	```c++ template<class f=""> insert_return_type insert_or_visit(node_type&& nh, F f); template<class f=""> insert_return_type insert_or_cvisit(node_type&& nh, F f); ```</class></class>
	If `nh` is empty, does nothing. Otherwise, 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()`. Otherwise, invokes `f` with a reference to the equivalent element; such reference is const iff `insert_or_cvisit` is used.	若`nh`为空，则不执行任何操作。否则，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。若存在等价键，则调用`f`并传入等价元素的引用；当且仅当使用`insert_or_cvisit`时，该引用为常量引用。
	Throws:;; If an exception is thrown by an operation other than a call to `hasher` or call to `f`, 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` 为空，则不执行任何操作。否则，当且仅当容器中不存在键等价于 `nh.key()` 的元素时，插入其关联的元素；否则，以等价元素的引用为参数调用 `f` ；当且仅当使用 `insert++_++or++_++cvisit` 时该引用为常量引用。
	emplace_and_[c]visit	emplace_and_[c]visit
	```c++ template<class... Args, class F1, class F2> bool emplace_and_visit(Args&&... args, F1&& f1, F2&& f2); template<class... Args, class F1, class F2> bool emplace_and_cvisit(Args&&... args, F1&& f1, F2&& f2); ```	```c++ template<class... args,="" class="" f1,="" f2=""> bool emplace_and_visit(Args&&... args, F1&& f1, F2&& f2); template<class... args,="" class="" f1,="" f2=""> bool emplace_and_cvisit(Args&&... args, F1&& f1, F2&& f2); ```</class...></class...>
	Inserts an object, constructed with the arguments `args`, in the table if there is no element in the table with an equivalent key, and then invokes `f1` with a non-const reference to the newly created element. Otherwise, invokes `f2` with a reference to the equivalent element; such reference is const iff `emplace_and_cvisit` is used.	若表中无等价键元素，则使用参数`args`构造对象并插入表中，随后以非常量引用指向新创建的元素并调用`f1`。否则，以指向等价元素的引用调用`f2`；当且仅当使用`emplace_and_cvisit`时，该引用为常量引用。

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Chinese (Simplified Han script) 271 characters editedCurrent translationState: Translated

~~Requires:~~要求：;; `value_type` is满足 https://en.cppreference.com/w/cpp/named_req/CopyInsertable[CopyInsertable^]. Returns:;; `true` if an insert took place. + Concurrency:;; Blocking on rehashing of `*this`. Notes:;; In a call of the form `insert_or_[c]visit(obj, f)`, the overloads accepting a `const value_type&` argument participate in overload resolution only if 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：;; 在形式为 `insert_or_[c]visit(obj, f)` 的调用中，仅当 `std::remove_cv<std::remove_reference<decltype(obj)>::type>>::type` ~~is `value_type`.~~为 `value_type` 时，接受 `const value_type&` 参数的重载版本才会参与重载决议。</std::remove_reference<decltype(obj)>

06/05/2026

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Chinese (Simplified Han script) 441 characters editedPrevious translationState: Needs editing (Needs rewriting)

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