Boost Unordered Translation (zh_Hans)/Doc / Modules / Root / Pages / Reference / Unordered Flat Map (adoc) — Chinese (Simplified Han script) @ Boost-Weblate: Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/CopyInsertable[CopyInsertable^] into the container. Throws:;; When inserting …

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Key	English	Chinese (Simplified Han script)
:848	---	---
	Move Insert with Hint	带提示的移动插入
	```c++ iterator insert(const_iterator hint, value_type&& obj); iterator insert(const_iterator hint, init_type&& obj); ```	```c++ iterator insert(const_iterator hint, value_type&& obj); iterator insert(const_iterator hint, init_type&& obj); ```
:856	Inserts `obj` in the container if and only if there is no element in the container with an equivalent key.	当且仅当容器中不存在等价键时，将 `obj` 对象插入到容器中。
:858	`hint` is a suggestion to where the element should be inserted. This implementation ignores it.	`hint` 是一个关于元素应插入位置的建议。此实现会忽略该建议。
	Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/MoveInsertable[MoveInsertable^]. 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, pointers and references, but only if the insert causes the load to be greater than the maximum load. + + A call of the form `insert(hint, 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` 需满足 https://en.cppreference.com/w/cpp/named_req/MoveInsertable[可移动插入^] 要求。返回：若执行了插入，则返回类型中的 `bool` 分量为 `true`。+ +若执行了插入，则迭代器指向新插入的元素；否则指向等价的元素。抛出：若调用 `hasher` 以外的操作抛出异常，则函数无效果。注意：可能使迭代器、指针和引用失效，但仅当插入导致负载大于最大负载时才会发生。+ +形式为 `insert(hint, x)` 的调用（其中 `x` 可同等转换为 `value_type&&` 和 `init_type&&`）不会产生歧义，并且会选择 `init_type` 重载。
:870	---	---
	Insert Iterator Range	迭代器范围插入
	```c++ template<class InputIterator> void insert(InputIterator first, InputIterator last); ```	```c++ template<class inputiterator=""> void insert(InputIterator first, InputIterator last); ```</class>
:877	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.	将元素范围插入容器中。仅当容器中不存在等价键的元素时，才会插入相应元素。
	Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/EmplaceConstructible[EmplaceConstructible^] into the container from `*first`. Throws:;; When inserting a single element, if an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; Can invalidate iterators, pointers and references, but only if the insert causes the load to be greater than the maximum load.	要求：`value_type` 需从 `*first` 处满足对容器的 https://en.cppreference.com/w/cpp/named_req/EmplaceConstructible[可原位构造^] 要求。抛出：当插入单个元素时，若调用 `hasher` 以外的操作抛出异常，则函数无效果。注意：可能使迭代器、指针和引用失效，但仅当插入导致负载大于最大负载时才会发生。
:884	---	---
	Insert Initializer List	初始化列表插入
	```c++ void insert(std::initializer_list<value_type>); ```	```c++ void insert(std::initializer_list<value_type>); ```</value_type>
:891	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.	将范围内的元素插入容器中。当且仅当容器中没有等价的键时，才会插入元素。
	Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/CopyInsertable[CopyInsertable^] into the container. Throws:;; When inserting a single element, if an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; Can invalidate iterators, pointers and references, but only if the insert causes the load to be greater than the maximum load.	要求：`value_type` 需满足对容器而言的 https://en.cppreference.com/w/cpp/named_req/CopyInsertable[可复制插入^] 要求。抛出：当插入单个元素时，若调用 `hasher` 以外的操作抛出异常，则函数无效果。注意：可能使迭代器、指针和引用失效，但仅当插入导致负载大于最大负载时才会发生。
:898	---	---
	try_emplace	try++_++emplace
	```c++ template<class... Args> std::pair<iterator, bool> try_emplace(const key_type& k, Args&&... args); template<class... Args> std::pair<iterator, bool> try_emplace(key_type&& k, Args&&... args); template<class K, class... Args> std::pair<iterator, bool> try_emplace(K&& k, Args&&... args); ```	```c++ template<class... args=""> std::pair<iterator, bool=""> try_emplace(const key_type& k, Args&&... args); template<class... args=""> std::pair<iterator, bool=""> try_emplace(key_type&& k, Args&&... args); template<class k,="" class...="" args=""> std::pair<iterator, bool=""> try_emplace(K&& k, Args&&... args); ```</iterator,></class></iterator,></class...></iterator,></class...>
:910	Inserts a new element into the container if there is no existing element with key `k` contained within it.	如果容器中不存在键为 `k` 的元素，则向容器中插入一个新元素。
:912	If there is an existing element with key `k` this function does nothing.	若容器中不存在键为 `k` 的元素，则插入一个新元素。
	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:;; This function is similiar to xref:#unordered_flat_map_emplace[emplace], with the difference that no `value_type` is constructed if there is an element with an equivalent key; otherwise, the construction is of the form: + + -- ```c++	返回：若执行了插入，则返回类型中的 `bool` 分量为 `true`。+ +若执行了插入，则迭代器指向新插入的元素；否则指向等价的元素。抛出：若调用 `hasher` 以外的操作抛出异常，则函数无效果。注意：此函数与 xref:#unordered_flat_map_emplace[emplace] 类似，区别在于：若存在等价的键，则不构造 `value_type`；否则，构造形式如下：+ + -- `c++`
:925	value_type(std::piecewise_construct, std::forward_as_tuple(std::forward<Key>(k)), std::forward_as_tuple(std::forward<Args>(args)...))	value_type(std::piecewise_construct, std::forward_as_tuple(std::forward<key>(k)), std::forward_as_tuple(std::forward<args>(args)...))</args></key>
:930	value_type(std::piecewise_construct, std::forward_as_tuple(std::forward<K>(k)), std::forward_as_tuple(std::forward<Args>(args)...)) ```	value_type(std::piecewise_construct, std::forward_as_tuple(std::forward<k>(k)), std::forward_as_tuple(std::forward<args>(args)...)) ```</args></k>
	unlike xref:#unordered_flat_map_emplace[emplace], which simply forwards all arguments to ``value_type``'s constructor.	与 xref:#unordered_flat_map_emplace[emplace] 不同，后者只是将所有参数转发给 `value_type` 的构造函数。
:937	Can invalidate iterators pointers and references, but only if the insert causes the load to be greater than the maximum load.	可能会导致迭代器、指针和引用失效，但仅当插入操作导致负载因子超过最大负载因子时才会发生。
:939	The `template<class K, class\... Args>` overload only participates in overload resolution if `Hash::is_transparent` and `Pred::is_transparent` are valid member typedefs and neither `iterator` nor `const_iterator` are implicitly convertible from `K`. 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.	`template<class k,="" args="">` 重载仅在以下条件下参与重载决议：`Hash::is_transparent` 和 `Pred::is_transparent` 是有效的成员 typedef，且 `iterator` 和 `const_iterator` 均不能从 `K` 隐式转换。库假定 `Hash` 可同时以 `K` 和 `Key` 调用，且 `Pred` 是透明的。这实现了异构查找，从而避免实例化 `Key` 类型对象的开销。</class>
:941	--	--
:943	---	---
	try_emplace with Hint	带提示的 try++_++emplace
	```c++ template<class... Args> iterator try_emplace(const_iterator hint, const key_type& k, Args&&... args); template<class... Args> iterator try_emplace(const_iterator hint, key_type&& k, Args&&... args); template<class K, class... Args> iterator try_emplace(const_iterator hint, K&& k, Args&&... args); ```	```c++ template<class... args=""> iterator try_emplace(const_iterator hint, const key_type& k, Args&&... args); template<class... args=""> iterator try_emplace(const_iterator hint, key_type&& k, Args&&... args); template<class k,="" class...="" args=""> iterator try_emplace(const_iterator hint, K&& k, Args&&... args); ```</class></class...></class...>

	English	Chinese (Simplified Han script)	Actions
	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,>
	:idprefix: unordered_flat_map_	:idprefix: unordered_flat_map_
	Copy Insert with Hint	带提示的复制插入
	A constant iterator whose value type is `value_type`.	一个常量迭代器，其值类型为 `value++_++type` 。
	Move Insert with Hint	带提示的移动插入
	```c++ iterator insert(const_iterator hint, value_type&& obj); iterator insert(const_iterator hint, init_type&& obj); ```	```c++ iterator insert(const_iterator hint, value_type&& obj); iterator insert(const_iterator hint, init_type&& obj); ```
	Copy Constructor	复制构造函数
	Copy Constructor with Allocator	带分配器的复制构造函数
	```c++ unordered_flat_map(unordered_flat_map const& other, Allocator const& a); ```	```c++ unordered_flat_map(unordered_flat_map const& other, Allocator const& a); ```
	Insert Iterator Range	迭代器范围插入
	```c++ template<class InputIterator> void insert(InputIterator first, InputIterator last); ```	```c++ template<class inputiterator=""> void insert(InputIterator first, InputIterator last); ```</class>
	Insert Initializer List	初始化列表插入
	```c++ void insert(std::initializer_list<value_type>); ```	```c++ void insert(std::initializer_list<value_type>); ```</value_type>
	Constructs an empty container 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，使用 `hf` 作为哈希函数、`a` 作为分配器以及默认的键相等谓词，并将 `il` 中的元素插入其中。
	Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/CopyInsertable[CopyInsertable^] into the container. Throws:;; When inserting a single element, if an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; Can invalidate iterators, pointers and references, but only if the insert causes the load to be greater than the maximum load.	要求：`value_type` 需满足对容器而言的 https://en.cppreference.com/w/cpp/named_req/CopyInsertable[可复制插入^] 要求。抛出：当插入单个元素时，若调用 `hasher` 以外的操作抛出异常，则函数无效果。注意：可能使迭代器、指针和引用失效，但仅当插入导致负载大于最大负载时才会发生。
	try_emplace	try++_++emplace
	Iterators	迭代器
	```c++ const_iterator cbegin() const noexcept; ```	```c++ const_iterator cbegin() const noexcept; ```
	Returns:;; A `const_iterator` referring to the first element of the container, or if the container is empty the past-the-end value for the container. Complexity:;; O(`bucket_count()`)	返回：指向容器第一个元素的 `const_iterator`，若容器为空，则返回容器尾后迭代器。复杂度：O(`bucket_count()`)
	```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...>
	`position` is a suggestion to where the element should be inserted. This implementation ignores it.	`position` 是一个关于元素应插入位置的建议。此实现会忽略该建议。
	Copy Insert	复制插入
	Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/EmplaceConstructible[EmplaceConstructible^] into the container from `*first`. Throws:;; When inserting a single element, if an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; Can invalidate iterators, pointers and references, but only if the insert causes the load to be greater than the maximum load.	要求：`value_type` 需从 `*first` 处满足对容器的 https://en.cppreference.com/w/cpp/named_req/EmplaceConstructible[可原位构造^] 要求。抛出：当插入单个元素时，若调用 `hasher` 以外的操作抛出异常，则函数无效果。注意：可能使迭代器、指针和引用失效，但仅当插入导致负载大于最大负载时才会发生。
	try_emplace with Hint	带提示的 try++_++emplace
	As a result of its using open addressing, the interface of `boost::unordered_flat_map` deviates in a number of aspects from that of `boost::unordered_map`/`std::unordered_map`:	由于采用开放寻址法， `boost::unordered++_++flat++_++map` 的接口在多个方面与 `boost::unordered++_++map` / `std::unordered++_++map` 不同：
	An allocator whose value type is the same as the container's value type.	一个分配器，其值类型与容器的值类型相同。
	Allocators using https://en.cppreference.com/w/cpp/named_req/Allocator#Fancy_pointers[fancy pointers] are supported.	支持使用 https://en.cppreference.com/w/cpp/named_req/Allocator#Fancy_pointers[花式指针^] 的分配器。
	`BOOST_UNORDERED_ENABLE_STATS`	`BOOST++_++UNORDERED++_++ENABLE++_++STATS`
	Convertible to `const_iterator`.	可转换为 `const++_++iterator` 。

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~~Requires:;;~~ 要求：`value_type` is需满足对容器而言的 https://en.cppreference.com/w/cpp/named_req/CopyInsertable[CopyInsertable^] into the container. Throws:;; When inserting a single element, if an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; Can invalidate iterators, pointers and references, but only if the insert causes the load to be greater than the maximum load.可复制插入^] 要求。抛出：当插入单个元素时，若调用 `hasher` 以外的操作抛出异常，则函数无效果。注意：可能使迭代器、指针和引用失效，但仅当插入导致负载大于最大负载时才会发生。

06/05/2026

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Chinese (Simplified Han script) 402 characters editedPrevious translationState: Needs editing (Needs rewriting)

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55167

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:894

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