Boost Unordered Translation (zh_Hans)/Doc / Modules / Root / Pages / Reference / Unordered Node Map (adoc) — Chinese (Simplified Han script) @ Boost-Weblate: Requires:;; `value_type` is constructible from `args`. Returns:;; The `bool` component …

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Key :791

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Requires:;; `value_type` is constructible from `args`. Returns:;; The `bool` component of the return type is `true` if an insert took place. + + If an insert took place, then the iterator points to the newly inserted element. Otherwise, it points to the element with equivalent key. Throws:;; If an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; Can invalidate iterators, but only if the insert causes the load to be greater than the maximum load. + + 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. This optimization happens when `key_type` is move constructible or when the `k` argument is a `key_type`.

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Key	English	Chinese (Simplified Han script)
	```c++ [[nodiscard]] bool empty() const noexcept; ```	```c++ [[nodiscard]] bool empty() const noexcept; ```
	Returns:;; `size() == 0`	Returns:;; `size() == 0`
:757	---	---
	size	大小
	```c++ size_type size() const noexcept; ```	```c++ size_type size() const noexcept; ```
	Returns:;; `std::distance(begin(), end())`	Returns:;; `std::distance(begin(), end())`
:768	---	---
	max_size	max_size
	```c++ size_type max_size() const noexcept; ```	```c++ size_type max_size() const noexcept; ```
	Returns:;; `size()` of the largest possible container.	返回：可能的最大容器的 `size()`。
:779	---	---
	Modifiers	修改器
	emplace	原地构造
	```c++ template<class... Args> std::pair<iterator, bool> emplace(Args&&... args); ```	```c++ template<class... args=""> std::pair<iterator, bool=""> emplace(Args&&... args); ```</iterator,></class...>
:788	Inserts an object, constructed with the arguments `args`, in the container if and only if there is no element in the container with an equivalent key.	当且仅当容器中没有具有等价键的元素时，才插入一个使用参数 `args` 构造的对象。
:791	Requires:;; `value_type` is constructible from `args`. Returns:;; The `bool` component of the return type is `true` if an insert took place. + + If an insert took place, then the iterator points to the newly inserted element. Otherwise, it points to the element with equivalent key. Throws:;; If an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; Can invalidate iterators, but only if the insert causes the load to be greater than the maximum load. + + 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. This optimization happens when `key_type` is move constructible or when the `k` argument is a `key_type`.	要求：`value_type` 可从 `args` 构造。返回：返回类型的 `bool` 分量为 `true` 表示发生了插入。如果发生了插入，则迭代器指向新插入的元素；否则，指向具有等价键的元素。抛出：如果除调用 `hasher` 之外的操作抛出异常，则该函数无效果。注意：可能使迭代器失效，但仅当插入导致负载大于最大负载时才会发生。如果 `args...` 的形式为 `k,v`，则该函数会延迟构造整个对象，直到确定应该插入元素为止，仅使用 `k` 参数进行检查。当 `key_type` 可移动构造或 `k` 参数本身就是 `key_type` 类型时，此优化生效。
:800	---	---
	emplace_hint	emplace_hint
	```c++ template<class... Args> iterator emplace_hint(const_iterator position, Args&&... args); ```	```c++ template<class... args=""> iterator emplace_hint(const_iterator position, Args&&... args); ```</class...>
:807	Inserts an object, constructed with the arguments `args`, in the container if and only if there is no element in the container with an equivalent key.	当且仅当容器中没有具有等价键的元素时，才插入一个使用参数 `args` 构造的对象。
	`position` is a suggestion to where the element should be inserted. This implementation ignores it.	`position` 是关于元素插入位置的建议。此实现会忽略该建议。
:812	Requires:;; `value_type` is constructible from `args`. Returns:;; The `bool` component of the return type is `true` if an insert took place. + + If an insert took place, then the iterator points to the newly inserted element. Otherwise, it points to the element with equivalent key. Throws:;; If an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; Can invalidate iterators, but only if the insert causes the load to be greater than the maximum load. + + 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. This optimization happens when `key_type` is move constructible or when the `k` argument is a `key_type`.	要求：`value_type` 可从 `args` 构造。返回：返回类型的 `bool` 分量为 `true` 表示发生了插入。如果发生了插入，则迭代器指向新插入的元素；否则，指向具有等价键的元素。抛出：如果除调用 `hasher` 之外的操作抛出异常，则该函数无效果。注意：可能使迭代器失效，但仅当插入导致负载大于最大负载时才会发生。如果 `args...` 的形式为 `k,v`，则该函数会延迟构造整个对象，直到确定应该插入元素为止，仅使用 `k` 参数进行检查。当 `key_type` 可移动构造或 `k` 参数本身就是 `key_type` 类型时，此优化生效。
:821	---	---
	Copy Insert	复制插入
	```c++ std::pair<iterator, bool> insert(const value_type& obj); std::pair<iterator, bool> insert(const init_type& obj); ```	```c++ std::pair<iterator, bool=""> insert(const value_type& obj); std::pair<iterator, bool=""> insert(const init_type& obj); ```</iterator,></iterator,>
:829	Inserts `obj` in the container if and only if there is no element in the container with an equivalent key.	当且仅当容器中没有具有等价键的元素时，才将 `obj` 插入容器。
	Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/CopyInsertable[CopyInsertable^]. Returns:;; The `bool` component of the return type is `true` if an insert took place. + + If an insert took place, then the iterator points to the newly inserted element. Otherwise, it points to the element with equivalent key. Throws:;; If an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; Can invalidate iterators, but only if the insert causes the load to be greater than the maximum load. + + 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[可拷贝插入^]。返回：返回类型的 `bool` 分量为 `true` 表示发生了插入。如果发生了插入，则迭代器指向新插入的元素；否则，指向具有等价键的元素。抛出：如果除调用 `hasher` 之外的操作抛出异常，则该函数无效果。注意：可能使迭代器失效，但仅当插入导致负载大于最大负载时才会发生。形式为 `insert(x)` 的调用，如果 `x` 可以同等转换为 `const value_type&` 和 `const init_type&`，则不会产生歧义，并且会选择 `init_type` 重载。
:841	---	---
	Move Insert	移动插入
	```c++ std::pair<iterator, bool> insert(value_type&& obj); std::pair<iterator, bool> insert(init_type&& obj); ```	```c++ std::pair<iterator, bool=""> insert(value_type&& obj); std::pair<iterator, bool=""> insert(init_type&& obj); ```</iterator,></iterator,>
:849	Inserts `obj` in the container if and only if there is no element in the container with an equivalent key.	当且仅当容器中没有具有等价键的元素时，才将 `obj` 插入容器。

Key	English	Chinese (Simplified Han script)
:641	Requires:;; `key_equal` needs to be https://en.cppreference.com/w/cpp/named_req/DefaultConstructible[DefaultConstructible^].	要求：`key_equal` 需要满足 https://en.cppreference.com/w/cpp/named_req/DefaultConstructible[可默认构造^]。
:643	---	---
:654	---	---
:669	Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/CopyInsertable[CopyInsertable^]	要求：`value_type` 满足 https://en.cppreference.com/w/cpp/named_req/CopyInsertable[可拷贝插入^]。
:671	---	---
:688	---	---
:698	Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/CopyInsertable[CopyInsertable^]	要求：`value_type` 满足 https://en.cppreference.com/w/cpp/named_req/CopyInsertable[可拷贝插入^]。
:712	---	---
:723	---	---
:734	---	---
:744	---	---
:757	---	---
:768	---	---
:779	---	---
:788	Inserts an object, constructed with the arguments `args`, in the container if and only if there is no element in the container with an equivalent key.	当且仅当容器中没有具有等价键的元素时，才插入一个使用参数 `args` 构造的对象。
:791	Requires:;; `value_type` is constructible from `args`. Returns:;; The `bool` component of the return type is `true` if an insert took place. + + If an insert took place, then the iterator points to the newly inserted element. Otherwise, it points to the element with equivalent key. Throws:;; If an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; Can invalidate iterators, but only if the insert causes the load to be greater than the maximum load. + + 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. This optimization happens when `key_type` is move constructible or when the `k` argument is a `key_type`.	要求：`value_type` 可从 `args` 构造。返回：返回类型的 `bool` 分量为 `true` 表示发生了插入。如果发生了插入，则迭代器指向新插入的元素；否则，指向具有等价键的元素。抛出：如果除调用 `hasher` 之外的操作抛出异常，则该函数无效果。注意：可能使迭代器失效，但仅当插入导致负载大于最大负载时才会发生。如果 `args...` 的形式为 `k,v`，则该函数会延迟构造整个对象，直到确定应该插入元素为止，仅使用 `k` 参数进行检查。当 `key_type` 可移动构造或 `k` 参数本身就是 `key_type` 类型时，此优化生效。
:800	---	---
:807	Inserts an object, constructed with the arguments `args`, in the container if and only if there is no element in the container with an equivalent key.	当且仅当容器中没有具有等价键的元素时，才插入一个使用参数 `args` 构造的对象。
:812	Requires:;; `value_type` is constructible from `args`. Returns:;; The `bool` component of the return type is `true` if an insert took place. + + If an insert took place, then the iterator points to the newly inserted element. Otherwise, it points to the element with equivalent key. Throws:;; If an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; Can invalidate iterators, but only if the insert causes the load to be greater than the maximum load. + + 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. This optimization happens when `key_type` is move constructible or when the `k` argument is a `key_type`.	要求：`value_type` 可从 `args` 构造。返回：返回类型的 `bool` 分量为 `true` 表示发生了插入。如果发生了插入，则迭代器指向新插入的元素；否则，指向具有等价键的元素。抛出：如果除调用 `hasher` 之外的操作抛出异常，则该函数无效果。注意：可能使迭代器失效，但仅当插入导致负载大于最大负载时才会发生。如果 `args...` 的形式为 `k,v`，则该函数会延迟构造整个对象，直到确定应该插入元素为止，仅使用 `k` 参数进行检查。当 `key_type` 可移动构造或 `k` 参数本身就是 `key_type` 类型时，此优化生效。
:821	---	---
:829	Inserts `obj` in the container if and only if there is no element in the container with an equivalent key.	当且仅当容器中没有具有等价键的元素时，才将 `obj` 插入容器。
:841	---	---
:849	Inserts `obj` in the container if and only if there is no element in the container with an equivalent key.	当且仅当容器中没有具有等价键的元素时，才将 `obj` 插入容器。
:861	---	---
:870	`hint` is a suggestion to where the element should be inserted. This implementation ignores it.	`hint` 是关于元素插入位置的建议。此实现会忽略该建议。
:882	---	---
:890	Inserts `obj` in the container if and only if there is no element in the container with an equivalent key.	当且仅当容器中没有具有等价键的元素时，才将 `obj` 插入容器。
:892	`hint` is a suggestion to where the element should be inserted. This implementation ignores it.	`hint` 是关于元素插入位置的建议。此实现会忽略该建议。
:904	---	---
:911	Inserts a range of elements into the container. Elements are inserted if and only if there is no element in the container with an equivalent key.	将一个范围内的元素插入容器中。当且仅当容器中没有具有等价键的元素时，才会插入这些元素。

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Chinese (Simplified Han script) 686 characters editedCurrent translationState: Translated

~~Requires:;;~~ 要求：`value_type` is constructible from àrgs`. Returns:;; The `bool` component of the return type is `true` if an insert took place. + + If an insert took place, then the iterator points to the newly inserted element. Otherwise, it points to the element with equivalent key. Throws:;; If an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; Can invalidate iterators, but only if the insert causes the load to be greater than the maximum load. + + If àrgs...` 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. This optimization happens when `key_type` is move constructible or when the `k` argument is a `key_type`.可从 àrgs` 构造。
返回：返回类型的 `bool` 分量为 `true` 表示发生了插入。
如果发生了插入，则迭代器指向新插入的元素；否则，指向具有等价键的元素。
抛出：如果除调用 `hasher` 之外的操作抛出异常，则该函数无效果。
注意：可能使迭代器失效，但仅当插入导致负载大于最大负载时才会发生。

如果 àrgs...` 的形式为 `k,v`，则该函数会延迟构造整个对象，直到确定应该插入元素为止，仅使用 `k` 参数进行检查。当 `key_type` 可移动构造或 `k` 参数本身就是 `key_type` 类型时，此优化生效。

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06/05/2026

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Chinese (Simplified Han script) 782 characters editedPrevious translationState: Needs editing (Needs rewriting)

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doc/modules/ROOT/pages/reference/unordered_node_map_zh_Hans.adoc, string 177

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