Boost Unordered Translation (zh_Hans)/Doc / Modules / Root / Pages / Reference / Unordered Multimap (adoc) — Chinese (Simplified Han script) @ Boost-Weblate: Requires:;; `n < bucket_count()` Returns:;; The number of elements in …

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Key	English	Chinese (Simplified Han script)
	equal_range	equal_range
	```c++ std::pair<iterator, iterator> equal_range(const key_type& k); std::pair<const_iterator, const_iterator> equal_range(const key_type& k) const; template<class K> std::pair<iterator, iterator> equal_range(const K& k); template<class K> std::pair<const_iterator, const_iterator> equal_range(const K& k) const; ```	```c++ std::pair<iterator, iterator=""> equal_range(const key_type& k); std::pair<const_iterator, const_iterator=""> equal_range(const key_type& k) const; template<class k=""> std::pair<iterator, iterator=""> equal_range(const K& k); template<class k=""> std::pair<const_iterator, const_iterator=""> equal_range(const K& k) const; ```</const_iterator,></class></iterator,></class></const_iterator,></iterator,>
	Returns:;; A range containing all elements with key equivalent to `k`. If the container doesn't contain any such elements, returns `std::make_pair(b.end(), b.end())`. Notes:;; The `template<class K>` overloads only participate 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：包含所有键与 `k` 等价的元素的范围。如果容器不包含任何此类元素，则返回 `std::make_pair(b.end(), b.end())`。注意：`template<class k="">` 重载仅在 `Hash::is_transparent` 和 `Pred::is_transparent` 是有效的成员 typedef 时参与重载决议。库假定 `Hash` 可同时使用 `K` 和 `Key` 调用，且 `Pred` 是透明的。这支持了异构查找，从而避免了实例化 `Key` 类型对象的开销。</class>
:1210	---	---
	Bucket Interface	桶接口
	bucket_count	bucket_count
	```c++ size_type bucket_count() const noexcept; ```	```c++ size_type bucket_count() const noexcept; ```
	Returns:;; The number of buckets.	返回：桶的数量。
:1222	---	---
	max_bucket_count	max_bucket_count
	```c++ size_type max_bucket_count() const noexcept; ```	```c++ size_type max_bucket_count() const noexcept; ```
	Returns:;; An upper bound on the number of buckets.	返回：桶数量的上界。
:1232	---	---
	bucket_size	桶大小
	```c++ size_type bucket_size(size_type n) const; ```	```c++ size_type bucket_size(size_type n) const; ```
	Requires:;; `n < bucket_count()` Returns:;; The number of elements in bucket `n`.	要求：`n < bucket_count()` 返回：桶 `n` 中的元素数量。
:1243	---	---
	bucket	桶
	```c++ size_type bucket(const key_type& k) const; template<class K> size_type bucket(const K& k) const; ```	```c++ size_type bucket(const key_type& k) const; template<class k=""> size_type bucket(const K& k) const; ```</class>
	Returns:;; The index of the bucket which would contain an element with key `k`. Postconditions:;; The return value is less than `bucket_count()`. 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：将包含键为 `k` 的元素的桶的索引。后置条件：返回值小于 `bucket_count()`。注意：`template<class k="">` 重载仅在 `Hash::is_transparent` 和 `Pred::is_transparent` 是有效的成员 typedef 时参与重载决议。库假定 `Hash` 可同时使用 `K` 和 `Key` 调用，且 `Pred` 是透明的。这支持了异构查找，从而避免了实例化 `Key` 类型对象的开销。</class>
:1256	---	---
:1258	begin	开始
	```c++ local_iterator begin(size_type n); const_local_iterator begin(size_type n) const; ```	```c++ local_iterator begin(size_type n); const_local_iterator begin(size_type n) const; ```
	Requires:;; `n` shall be in the range `[0, bucket_count())`. Returns:;; A local iterator pointing the first element in the bucket with index `n`.	要求：`n` 必须在 `[0, bucket_count())` 范围内。返回：指向索引为 `n` 的桶中第一个元素的局部迭代器。
:1269	---	---
:1271	end	结束
	```c++ local_iterator end(size_type n); const_local_iterator end(size_type n) const; ```	```c++ local_iterator end(size_type n); const_local_iterator end(size_type n) const; ```
	Requires:;; `n` shall be in the range `[0, bucket_count())`. Returns:;; A local iterator pointing the 'one past the end' element in the bucket with index `n`.	要求：`n` 必须在 `[0, bucket_count())` 范围内。返回：指向索引为 `n` 的桶中“尾后”元素的局部迭代器。
:1281	---	---
:1283	cbegin	cbegin
	```c++ const_local_iterator cbegin(size_type n) const; ```	```c++ const_local_iterator cbegin(size_type n) const; ```

	English	Chinese (Simplified Han script)	Actions
	erase_return_void	erase_return_void
	```c++ void erase_return_void(const_iterator position); ```	```c++ void erase_return_void(const_iterator position); ```
	swap	交换
	Swaps the contents of the container with the parameter.	交换容器的内容与参数的内容。
	Throws:;; Doesn't throw an exception unless it is thrown by the copy constructor or copy assignment operator of `key_equal` or `hasher`. Notes:;; The exception specifications aren't quite the same as the C++11 standard, as the equality predicate and hash function are swapped using their copy constructors.	抛出：除非 `key_equal` 或 `hasher` 的拷贝构造函数或拷贝赋值运算符抛出异常，否则不抛出任何异常。注意：异常规范与 C++11 标准不完全相同，因为相等谓词和哈希函数是使用其拷贝构造函数进行交换的。
	Erases all elements in the container.	擦除容器中的所有元素。
	Attempt to "merge" two containers by iterating `source` and extracting all nodes in `source` and inserting them into `*this`.	尝试“合并”两个容器：遍历 `source`，提取 `source` 中的所有节点，并将它们插入到 `*this` 中。
	The behavior of this function is undefined if `this\->get_allocator() != source.get_allocator()`.	如果 `this->get_allocator() != source.get_allocator()`，则此函数的行为未定义。
	This function does not copy or move any elements and instead simply relocates the nodes from `source` into `*this`.	此函数不会拷贝或移动任何元素，而是仅仅将节点从 `source` 重新定位到 `*this` 中。
	Notes:;; + --	注意:;; + --
	Iterators to non-transferred elements in `source` remain valid.	指向 `source` 中未被转移元素的迭代器保持有效。
	--	--
	hash_function	哈希函数
	``` hasher hash_function() const; ```	``` hasher hash_function() const; ```
	find	find
	Requires:;; `n < bucket_count()` Returns:;; The number of elements in bucket `n`.	要求：`n < bucket_count()` 返回：桶 `n` 中的元素数量。
	Returns:;; An iterator pointing to an element with key equivalent to `k`, or `b.end()` if no such element exists. Notes:;; The templated overloads containing `CompatibleKey`, `CompatibleHash` and `CompatiblePredicate` are non-standard extensions which allow you to use a compatible hash function and equality predicate for a key of a different type in order to avoid an expensive type cast. In general, its use is not encouraged and instead the `K` member function templates should be used. + + The `template<class K>` overloads only participate 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：指向键与 `k` 等价的元素的迭代器；如果不存在这样的元素，则返回 `b.end()`。注意：包含 `CompatibleKey`、`CompatibleHash` 和 `CompatiblePredicate` 的模板化重载是非标准扩展，允许您为不同类型的键使用兼容的哈希函数和相等谓词，以避免昂贵的类型转换。通常不鼓励使用它们，而应使用 `K` 成员函数模板。 `template<class k="">` 重载仅在 `Hash::is_transparent` `Pred::is_transparent` 是有效的成员 typedef 时参与重载决议。库假定 `Hash` 可同时使用 `K` 和 `Key` 调用，且 `Pred` 是透明的。这支持了异构查找，从而避免了实例化 `Key` 类型对象的开销。</class>
	count	count
	contains	包含
	```c++ bool contains(const key_type& k) const; template<class K> bool contains(const K& k) const; ```	```c++ bool contains(const key_type& k) const; template<class k=""> bool contains(const K& k) const; ```</class>
	equal_range	equal_range
	```c++ void reserve(size_type n); ```	```c++ void reserve(size_type n); ```
	Swaps the contents of `x` and `y`.	交换 x 和 y 的内容。
	Serialization	序列化
	Traverses the container `c` and removes all elements for which the supplied predicate returns `true`.	遍历容器 `c`，并移除所有使给定谓词返回 `true` 的元素。
	Saves all the elements of an `unordered_multimap` `x` to an archive (XML archive) `ar`.	将 `unordered_multimap` 容器 `x` 的所有元素保存到归档（XML 归档） `ar` 中。
	Returns:;; `std::distance(begin(), end())`	返回：`std::distance(begin(), end())`。
	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()`。

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