std::unordered_set::emplace — cppreference.com
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(depuis C++11) | |
Insère un nouvel élément dans le récipient. L'élément est réalisé in-situ, c'est à dire pas de copie ou les opérations de déplacement sont effectuées. 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)....
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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().
Paramètres
| args | - | arguments à transmettre au constructeur de l'élément Original: arguments to forward to the constructor of the element The text has been machine-translated via Google Translate. |
Retourne la valeur
returns a pair consisting of a bool denoting whether the insertion took place and an iterator to the inserted element.
Complexité
Amortized constant on average, worst case linear in the size of the container.
Voir aussi
construit éléments en place en utilisant un indice Original: constructs elements in-place using a hint The text has been machine-translated via Google Translate. (fonction membre publique) [edit] | |
insère des éléments Original: inserts elements The text has been machine-translated via Google Translate. (fonction membre publique) [edit] | |