Boost Unordered Translation (zh_Hans)/Doc / Modules / Root / Pages / Reference / Unordered Map (adoc) — Chinese (Simplified Han script) @ Boost-Weblate

English

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 factor to be greater to or equal to the maximum load factor. + + Pointers and references to elements are never invalidated. + + The `template<class K, class M>` 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.

250 :1041
	English instead of xref:#unordered_map_emplace_hint[emplace_hint] which simply forwards all arguments to ``value_type``'s constructor.
	Chinese (Simplified Han script) 而不是像 xref:#unordered_map_emplace_hint[emplace_hint] 那样简单地将所有参数转发给 `value_type` 的构造函数。 85/1260 · 126 Needs editing
251 :1043
	English The standard is fairly vague on the meaning of the hint. But the only practical way to use it, and the only way that Boost.Unordered supports is to point to an existing element with the same key.
	Chinese (Simplified Han script) 标准关于 `hint` 的含义表述相当模糊。但唯一实际的使用方式，也是 Boost.Unordered 支持的唯一方式，是将其指向一个具有相同键的已存在元素。 79/1950 · 195 Needs editing
:1045 :1045
	English Can invalidate iterators, but only if the insert causes the load factor to be greater to or equal to the maximum load factor.
	Chinese (Simplified Han script) 可能使迭代器失效，但仅当插入导致负载因子大于或等于最大负载因子时才会发生。 37/1250 · 125 Needs editing
:1047 :1047
	English Pointers and references to elements are never invalidated.
	Chinese (Simplified Han script) 指向元素的指针和引用永远不会失效。 17/580 · 58 Needs editing
:1049 :1049
	English 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. --
	Chinese (Simplified Han script) `template<class k,="" args="">` 重载仅在 `Hash::is_transparent` 和 `Pred::is_transparent` 是有效的成员 typedef，且 `iterator` 和 `const_iterator` 都不能从 `K` 隐式转换时参与重载决议。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> 239/4560 · 456 Needs editing
:1052 :1052
	English ---
	Chinese (Simplified Han script) --- 3/100 · 3 Needs editing
256 :1054
	English insert_or_assign
	Chinese (Simplified Han script) insert_or_assign 16/160 · 16 Needs editing
257 :1055
	English ```c++ template<class M> std::pair<iterator, bool> insert_or_assign(const key_type& k, M&& obj); template<class M> std::pair<iterator, bool> insert_or_assign(key_type&& k, M&& obj); template<class K, class M> std::pair<iterator, bool> insert_or_assign(K&& k, M&& obj); ```
	Chinese (Simplified Han script) ```c++ template<class m=""> std::pair<iterator, bool=""> insert_or_assign(const key_type& k, M&& obj); template<class m=""> std::pair<iterator, bool=""> insert_or_assign(key_type&& k, M&& obj); template<class k,="" class="" m=""> std::pair<iterator, bool=""> insert_or_assign(K&& k, M&& obj); ```</iterator,></class></iterator,></class></iterator,></class> 400/2720 · 272 Needs editing
:1064 :1064
	English Inserts a new element into the container or updates an existing one by assigning to the contained value.
	Chinese (Simplified Han script) 向容器中插入一个新元素，或通过赋值更新现有元素的值。 26/1040 · 104 Needs editing
:1066 :1066
	English If there is an element with key `k`, then it is updated by assigning `std::forward<M>(obj)`.
	Chinese (Simplified Han script) 如果存在键为 `k` 的元素，则通过赋值 `std::forward<m>(obj)` 来更新它。</m> 53/920 · 92 Needs editing
:1068 :1068
	English If there is no such element, it is added to the container as: ```c++
	Chinese (Simplified Han script) 如果不存在这样的元素，则将其添加到容器中，形式为： ```c++ 34/680 · 68 Needs editing
:1071 :1071
	English value_type(std::piecewise_construct, std::forward_as_tuple(std::forward<Key>(k)), std::forward_as_tuple(std::forward<M>(obj)))
	Chinese (Simplified Han script) value_type(std::piecewise_construct, std::forward_as_tuple(std::forward<key>(k)), std::forward_as_tuple(std::forward<m>(obj)))</m></key> 136/1260 · 126 Needs editing
:1076 :1076
	English value_type(std::piecewise_construct, std::forward_as_tuple(std::forward<K>(k)), std::forward_as_tuple(std::forward<M>(obj))) ```
	Chinese (Simplified Han script) value_type(std::piecewise_construct, std::forward_as_tuple(std::forward<k>(k)), std::forward_as_tuple(std::forward<m>(obj))) ```</m></k> 136/1280 · 128 Needs editing
263 :1082
	English 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 factor to be greater to or equal to the maximum load factor. + + Pointers and references to elements are never invalidated. + + The `template<class K, class M>` 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.
	Chinese (Simplified Han script) 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因子大于或等于最大负载因子时才会发生。指向元素的指针和引用永远不会失效。 `template<class k,="" class="" m="">` 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> 373/8930 · 893 Needs editing
:1092 :1092
	English ---
	Chinese (Simplified Han script) --- 3/100 · 3 Needs editing
265 :1094
	English insert_or_assign with Hint
	Chinese (Simplified Han script) 带提示位置的 `insert_or_assign` 25/260 · 26 Needs editing
266 :1095
	English ```c++ template<class M> iterator insert_or_assign(const_iterator hint, const key_type& k, M&& obj); template<class M> iterator insert_or_assign(const_iterator hint, key_type&& k, M&& obj); template<class K, class M> iterator insert_or_assign(const_iterator hint, K&& k, M&& obj); ```
	Chinese (Simplified Han script) ```c++ template<class m=""> iterator insert_or_assign(const_iterator hint, const key_type& k, M&& obj); template<class m=""> iterator insert_or_assign(const_iterator hint, key_type&& k, M&& obj); template<class k,="" class="" m=""> iterator insert_or_assign(const_iterator hint, K&& k, M&& obj); ```</class></class></class> 367/2840 · 284 Needs editing
:1104 :1104
	English Inserts a new element into the container or updates an existing one by assigning to the contained value.
	Chinese (Simplified Han script) 向容器中插入一个新元素，或通过赋值更新现有元素的值。 26/1040 · 104 Needs editing
:1106 :1106
	English If there is an element with key `k`, then it is updated by assigning `std::forward<M>(obj)`.
	Chinese (Simplified Han script) 如果存在键为 `k` 的元素，则通过赋值 `std::forward<m>(obj)` 来更新它。</m> 53/920 · 92 Needs editing
:1108 :1108
	English If there is no such element, it is added to the container as: ```c++
	Chinese (Simplified Han script) 向容器中插入新元素，或通过赋值给已存在的元素值来更新该元素。 30/680 · 68 Needs editing

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