Boost Unordered Translation (zh_Hans)/Doc / Modules / Root / Pages / Reference / Unordered Multiset (adoc) — Chinese (Simplified Han script) @ Boost-Weblate: ```c++ template<class Key, class Hash, class Pred, class Alloc> void …

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Key	English	Chinese (Simplified Han script)
	- It has an `InputIterator` template parameter and a type that does not qualify as an input iterator is deduced for that parameter. - It has an `Allocator` template parameter and a type that does not qualify as an allocator is deduced for that parameter. - It has a `Hash` template parameter and an integral type or a type that qualifies as an allocator is deduced for that parameter. - It has a `Pred` template parameter and a type that qualifies as an allocator is deduced for that parameter.	- 它具有一个 `InputIterator` 模板参数，并且为该参数推导出的类型不符合输入迭代器的要求。 - 它具有一个 `Allocator` 模板参数，并且为该参数推导出的类型不符合分配器的要求。 - 它具有一个 `Hash` 模板参数，并且为该参数推导出的类型是整数类型或符合分配器的要求。 - 它具有一个 `Pred` 模板参数，并且为该参数推导出的类型符合分配器的要求。
	A `size_type` parameter type in a deduction guide refers to the `size_type` member type of the container type deduced by the deduction guide. Its default value coincides with the default value of the constructor selected.	推导指引中的 `size_type` 参数类型指的是由该推导指引所推导出的容器类型的 `size_type` 成员类型。其默认值与所选构造函数的默认值一致。
	__iter-value-type__	_iter-value-type_
	Equality Comparisons	相等性比较
	operator	运算符
	```c++ template<class Key, class Hash, class Pred, class Alloc> bool operator==(const unordered_multiset<Key, Hash, Pred, Alloc>& x, const unordered_multiset<Key, Hash, Pred, Alloc>& y); ```	```c++ template<class key,="" class="" hash,="" pred,="" alloc=""> bool operator==(const unordered_multiset<key, hash,="" pred,="" alloc="">& x, const unordered_multiset<key, hash,="" pred,="" alloc="">& y); ```</key,></key,></class>
	Return `true` if `x.size() == y.size()` and for every element in `x`, there is an element in `y` with the same key, with an equal value (using `operator==` to compare the value types).	若 `x.size() == y.size()` 且对于 `x` 中的每个元素，在 `y` 中均存在一个具有相同键且值相等（使用 `operator==` 比较值类型）的元素，则返回 `true`。
:1360	Notes:;; Behavior is undefined if the two containers don't have equivalent equality predicates.	注意：如果两个容器不具有等价的相等谓词，则行为未定义。
:1362	---	---
	operator!	operator!
	```c++ template<class Key, class Hash, class Pred, class Alloc> bool operator!=(const unordered_multiset<Key, Hash, Pred, Alloc>& x, const unordered_multiset<Key, Hash, Pred, Alloc>& y); ```	```c++ template<class key,="" class="" hash,="" pred,="" alloc=""> bool operator!=(const unordered_multiset<key, hash,="" pred,="" alloc="">& x, const unordered_multiset<key, hash,="" pred,="" alloc="">& y); ```</key,></key,></class>
	Return `false` if `x.size() == y.size()` and for every element in `x`, there is an element in `y` with the same key, with an equal value (using `operator==` to compare the value types).	若 `x.size() == y.size()` 且对于 `x` 中的每个元素，在 `y` 中均存在一个具有相同键且值相等（使用 `operator==` 比较值类型）的元素，则返回 `false`。
:1374	Notes:;; Behavior is undefined if the two containers don't have equivalent equality predicates.	注意：如果两个容器不具有等价的相等谓词，则行为未定义。
:1376	---	---
	Swap	交换
	```c++ template<class Key, class Hash, class Pred, class Alloc> void swap(unordered_multiset<Key, Hash, Pred, Alloc>& x, unordered_multiset<Key, Hash, Pred, Alloc>& y) noexcept(noexcept(x.swap(y))); ```	```c++ template<class key,="" class="" hash,="" pred,="" alloc=""> void swap(unordered_multiset<key, hash,="" pred,="" alloc="">& x, unordered_multiset<key, hash,="" pred,="" alloc="">& y) noexcept(noexcept(x.swap(y))); ```</key,></key,></class>
	Swaps the contents of `x` and `y`.	交换 `x` 和 `y` 的内容。
:1388	If `Allocator::propagate_on_container_swap` is declared and `Allocator::propagate_on_container_swap::value` is `true` then the containers' allocators are swapped. Otherwise, swapping with unequal allocators results in undefined behavior.	如果 `Allocator::propagate_on_container_swap` 被声明且 `Allocator::propagate_on_container_swap::value` 为 `true`，则交换容器的分配器。否则，使用不相等的分配器进行交换将导致未定义行为。
	Effects:;; `x.swap(y)` 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.	效果：`x.swap(y)` 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。
:1395	---	---
	erase_if	erase_if
	```c++ template<class K, class H, class P, class A, class Predicate> typename unordered_multiset<K, H, P, A>::size_type erase_if(unordered_multiset<K, H, P, A>& c, Predicate pred); ```	```c++ template<class k,="" class="" h,="" p,="" a,="" predicate=""> typename unordered_multiset<k, h,="" p,="" a="">::size_type erase_if(unordered_multiset<k, h,="" p,="" a="">& c, Predicate pred); ```</k,></k,></class>
	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。
	Returns:;; The number of erased elements. Notes:;; Equivalent to: + + ```c++ auto original_size = c.size(); for (auto i = c.begin(), last = c.end(); i != last; ) { if (pred(*i)) { i = c.erase(i); } else { ++i; } } return original_size - c.size(); ```	返回：被擦除的元素数量。注意：等价于： ```c++auto original_size = c.size();for (auto i = c.begin(), last = c.end(); i != last; ) { if (pred(*i)) { i = c.erase(i); } else { ++i; }}return original_size - c.size();```
	Serialization	序列化
	``unordered_multiset``s can be archived/retrieved by means of link:../../../../../serialization/index.html[Boost.Serialization^] using the API provided by this library. Both regular and XML archives are supported.	`unordered_multiset` 可以通过本库提供的 API，借助 link:../../../../../serialization/index.html[Boost.Serialization^] 进行归档/恢复。支持常规归档和 XML 归档。
	Saving an unordered_multiset to an archive	保存 unordered_multiset 到归档
	Saves all the elements of an `unordered_multiset` `x` to an archive (XML archive) `ar`.	将 `unordered_multiset` 容器 `x` 的所有元素保存到归档（XML 归档）`ar` 中。
	Requires:;; `value_type` is serializable (XML serializable), and it supports Boost.Serialization `save_construct_data`/`load_construct_data` protocol (automatically suported by https://en.cppreference.com/w/cpp/named_req/DefaultConstructible[DefaultConstructible^] types).	要求：`value_type` 必须是可序列化的（对于 XML 归档需支持 XML 序列化），并且支持 Boost.Serialization 的 `save_construct_data`/`load_construct_data` 协议（该协议由满足 https://en.cppreference.com/w/cpp/named_req/DefaultConstructible[可默认构造^] 的类型自动支持）。
:1439	---	---
	Loading an unordered_multiset from an archive	从归档加载 unordered_multiset

	English	Chinese (Simplified Han script)	Actions
	Returns:;; The average number of elements per bucket.	返回：每个桶的平均元素数量。
	max_load_factor	最大负载因子
	```c++ float max_load_factor() const noexcept; ```	```c++ float max_load_factor() const noexcept; ```
	Returns:;; Returns the current maximum load factor.	返回：当前最大负载因子。
	```c++ void rehash(size_type n); ```	```c++ void rehash(size_type n); ```
	Changes the number of buckets so that there are at least `n` buckets, and so that the load factor is less than or equal to the maximum load factor. When applicable, this will either grow or shrink the `bucket_count()` associated with the container.	更改桶的数量，使其至少包含 `n` 个桶，并且使得负载因子小于或等于最大负载因子。在适用的情况下，这将增大或缩小与容器关联的 `bucket_count()`。
	```c++ void reserve(size_type n); ```	```c++ void reserve(size_type n); ```
	Equivalent to `a.rehash(ceil(n / a.max_load_factor()))`, or `a.rehash(1)` if `n > 0` and `a.max_load_factor() == std::numeric_limits<float>::infinity()`.	等价于 `a.rehash(ceil(n / a.max_load_factor()))`；如果 `n > 0` 且 `a.max_load_factor() == std::numeric_limits<float>::infinity()`，则等价于 `a.rehash(1)`。</float>
	Similar to `rehash`, this function can be used to grow or shrink the number of buckets in the container.	与 `rehash` 类似，此函数可用于增大或缩小容器中的桶数量。
	__iter-value-type__	_iter-value-type_
	```c++ template<class Key, class Hash, class Pred, class Alloc> bool operator==(const unordered_multiset<Key, Hash, Pred, Alloc>& x, const unordered_multiset<Key, Hash, Pred, Alloc>& y); ```	```c++ template<class key,="" class="" hash,="" pred,="" alloc=""> bool operator==(const unordered_multiset<key, hash,="" pred,="" alloc="">& x, const unordered_multiset<key, hash,="" pred,="" alloc="">& y); ```</key,></key,></class>
	Return `true` if `x.size() == y.size()` and for every element in `x`, there is an element in `y` with the same key, with an equal value (using `operator==` to compare the value types).	若 `x.size() == y.size()` 且对于 `x` 中的每个元素，在 `y` 中均存在一个具有相同键且值相等（使用 `operator==` 比较值类型）的元素，则返回 `true`。
	operator!	operator!
	```c++ template<class Key, class Hash, class Pred, class Alloc> bool operator!=(const unordered_multiset<Key, Hash, Pred, Alloc>& x, const unordered_multiset<Key, Hash, Pred, Alloc>& y); ```	```c++ template<class key,="" class="" hash,="" pred,="" alloc=""> bool operator!=(const unordered_multiset<key, hash,="" pred,="" alloc="">& x, const unordered_multiset<key, hash,="" pred,="" alloc="">& y); ```</key,></key,></class>
	Return `false` if `x.size() == y.size()` and for every element in `x`, there is an element in `y` with the same key, with an equal value (using `operator==` to compare the value types).	若 `x.size() == y.size()` 且对于 `x` 中的每个元素，在 `y` 中均存在一个具有相同键且值相等（使用 `operator==` 比较值类型）的元素，则返回 `false`。
	```c++ template<class Key, class Hash, class Pred, class Alloc> void swap(unordered_multiset<Key, Hash, Pred, Alloc>& x, unordered_multiset<Key, Hash, Pred, Alloc>& y) noexcept(noexcept(x.swap(y))); ```	```c++ template<class key,="" class="" hash,="" pred,="" alloc=""> void swap(unordered_multiset<key, hash,="" pred,="" alloc="">& x, unordered_multiset<key, hash,="" pred,="" alloc="">& y) noexcept(noexcept(x.swap(y))); ```</key,></key,></class>
	erase_if	erase_if
	Returns:;; The number of erased elements. Notes:;; Equivalent to: + + ```c++ auto original_size = c.size(); for (auto i = c.begin(), last = c.end(); i != last; ) { if (pred(*i)) { i = c.erase(i); } else { ++i; } } return original_size - c.size(); ```	返回：被擦除的元素数量。注意：等价于： ```c++auto original_size = c.size();for (auto i = c.begin(), last = c.end(); i != last; ) { if (pred(*i)) { i = c.erase(i); } else { ++i; }}return original_size - c.size();```
	``unordered_multiset``s can be archived/retrieved by means of link:../../../../../serialization/index.html[Boost.Serialization^] using the API provided by this library. Both regular and XML archives are supported.	`unordered_multiset` 可以通过本库提供的 API，借助 link:../../../../../serialization/index.html[Boost.Serialization^] 进行归档/恢复。支持常规归档和 XML 归档。
	Saving an unordered_multiset to an archive	保存 unordered_multiset 到归档
	Saves all the elements of an `unordered_multiset` `x` to an archive (XML archive) `ar`.	将 `unordered_multiset` 容器 `x` 的所有元素保存到归档（XML 归档）`ar` 中。
	Requires:;; The `unordered_multiset` `x` pointed to by `it` has been previously saved to `ar`, and no modifying operations have been issued on `x` between saving of `x` and saving of `it`.	要求：`it` 所指向的 `unordered_multiset` 容器 `x` 必须先被保存到 `ar` 中，并且在保存 `x` 和保存 `it` 之间，不能对 `x` 执行任何修改操作。
	Loading an iterator/const_iterator from an archive	从归档加载迭代器/常量迭代器
	Requires:;; If `x` is the `unordered_multiset` `it` points to, no modifying operations have been issued on `x` between loading of `x` and loading of `it`.	要求;; 若 `x` 是 `it` 所指向的 `unordered_multiset` 容器，则在加载 `x` 与加载 `it` 期间不得对 `x` 执行任何修改操作。
	_Pred_	_Pred_
	_Allocator_	_Allocator_
	Typedefs	类型定义
	A `local_iterator` object can be used to iterate through a single bucket.	`local_iterator` 对象可用于遍历单个桶内的元素。
	A constant iterator with the same value type, difference type and pointer and reference type as const_iterator.	一种常量迭代器，其值类型、差值类型以及指针和引用类型均与 const_iterator 相同。
	A const_local_iterator object can be used to iterate through a single bucket.	`const_local_iterator` 对象可用于遍历单个桶。

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