std::unordered_set::emplace
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< cpp | container | unordered set
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| template< class... Args > std::pair<iterator,bool> emplace( Args&&... args ); |
(начиная с C++11) | |
Вставляет новый элемент в контейнере. Элемент построен на месте, т.е. не копировать или перемещать операции. The constructor of the element is called with exactly the same arguments, as supplied to the function, forwarded with std::forward<Args>(args)....
Original:
Inserts a new element to the container. The element is constructed in-place, i.e. no copy or move operations are performed. The constructor of the element is called with exactly the same arguments, as supplied to the function, forwarded with std::forward<Args>(args)....
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
If rehashing occurs due to the insertion, all iterators are invalidated. Otherwise iterators are not affected. References are not invalidated. Rehashing occurs only if the new number of elements is higher than max_load_factor()*bucket_count().
Содержание |
[править] Параметры
| args | - | Аргументы направить в конструкторе элемента
Original: arguments to forward to the constructor of the element The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
[править] Возвращаемое значение
returns a pair consisting of a bool denoting whether the insertion took place and an iterator to the inserted element.
[править] Сложность
Amortized constant on average, worst case linear in the size of the container.
[править] См. также
| Элементы конструкций на месте использования подсказки Original: constructs elements in-place using a hint The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (public функция-член) | |
| вставки элементов Original: inserts elements The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (public функция-член) | |
