Boost Unordered Translation (zh_Hans)/Doc / Modules / Root / Pages / Reference / Unordered Node 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 to be greater than the maximum load. + + 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.

244 :1016
	English ```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); ```
	Chinese (Simplified Han script) ```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...> 397/3080 · 308 Needs editing
:1025 :1025
	English Inserts a new element into the container if there is no existing element with key `k` contained within it.
	Chinese (Simplified Han script) 如果容器中不存在键为 `k` 的元素，则插入一个新元素。 28/1060 · 106 Needs editing
:1027 :1027
	English If there is an existing element with key `k` this function does nothing.
	Chinese (Simplified Han script) 如果已存在键为 `k` 的元素，则该函数不执行任何操作。 28/720 · 72 Needs editing
247 :1029
	English `hint` is a suggestion to where the element should be inserted. This implementation ignores it.
	Chinese (Simplified Han script) `hint` 是关于元素插入位置的建议。此实现会忽略该建议。 30/960 · 96 Needs editing
248 :1032
	English Returns:;; 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_node_map_emplace_hint[emplace_hint], 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++
	Chinese (Simplified Han script) 返回：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：此函数类似于 xref:#unordered_node_map_emplace_hint[emplace_hint]，区别在于如果存在具有等价键的元素，则不构造 `value_type`；否则，构造形式为： ```c++ 196/5100 · 510 Needs editing
:1040 :1040
	English value_type(std::piecewise_construct, std::forward_as_tuple(std::forward<Key>(k)), std::forward_as_tuple(std::forward<Args>(args)...))
	Chinese (Simplified Han script) value_type(std::piecewise_construct, std::forward_as_tuple(std::forward<key>(k)), std::forward_as_tuple(std::forward<args>(args)...))</args></key> 146/1330 · 133 Needs editing
:1045 :1045
	English value_type(std::piecewise_construct, std::forward_as_tuple(std::forward<K>(k)), std::forward_as_tuple(std::forward<Args>(args)...)) ```
	Chinese (Simplified Han script) value_type(std::piecewise_construct, std::forward_as_tuple(std::forward<k>(k)), std::forward_as_tuple(std::forward<args>(args)...)) ```</args></k> 146/1350 · 135 Needs editing
251 :1050
	English unlike xref:#unordered_node_map_emplace_hint[emplace_hint], which simply forwards all arguments to ``value_type``'s constructor.
	Chinese (Simplified Han script) 与 xref:#unordered_node_map_emplace_hint[emplace_hint] 不同，后者只是将所有参数直接转发给 `value_type` 的构造函数。 91/1280 · 128 Needs editing
:1052 :1052
	English Can invalidate iterators, but only if the insert causes the load to be greater than the maximum load.
	Chinese (Simplified Han script) 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。 30/1010 · 101 Needs editing
:1054 :1054
	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> 239/4530 · 453 Needs editing
:1056 :1056
	English --
	Chinese (Simplified Han script) -- 2/100 · 2 Needs editing
:1058 :1058
	English ---
	Chinese (Simplified Han script) --- 3/100 · 3 Needs editing
256 :1060
	English insert_or_assign
	Chinese (Simplified Han script) insert_or_assign 16/160 · 16 Needs editing
257 :1061
	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
:1070 :1070
	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
:1072 :1072
	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
:1074 :1074
	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
:1077 :1077
	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
:1082 :1082
	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 :1088
	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 to be greater than the maximum load. + + 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大于最大负载时才会发生。 `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> 350/8110 · 811 Needs editing

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