std::unordered_map::emplace
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| template< class... Args > std::pair<iterator,bool> emplace( Args&&... args ); |
(dal C++11) | |
value_type, that is, std::pair<const Key, T>) is called with exactly the same arguments as supplied to the function, forwarded with std::forward<Args>(args)....value_type, that is, std::pair<const Key, T>) is called with exactly the same arguments as supplied to the function, forwarded with std::forward<Args>(args)....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().
Indice |
[modifica] Parametri
| args | - | argomenti da inoltrare al costruttore dell'elemento
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. |
[modifica] Valore di ritorno
returns a pair consisting of a bool denoting whether the insertion took place and an iterator to the inserted element.
[modifica] Complessità
Amortized constant on average, worst case linear in the size of the container.
[modifica] Vedi anche
| costruisce elementi in-place con un suggerimento 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. (metodo pubblico) | |
| inserti di elementi 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. (metodo pubblico) | |
