Namespace
Varianti

std::unordered_multimap::emplace

Da cppreference.com.

 
 
 
std :: unordered_multimap
Membri funzioni
Original:
Member functions
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unordered_multimap::unordered_multimap
unordered_multimap::~unordered_multimap
unordered_multimap::operator=
unordered_multimap::get_allocator
Iteratori
Original:
Iterators
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unordered_multimap::begin
unordered_multimap::cbegin
unordered_multimap::end
unordered_multimap::cend
Capacità
Original:
Capacity
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unordered_multimap::erase
unordered_multimap::size
unordered_multimap::max_size
Modificatori
Original:
Modifiers
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unordered_multimap::clear
unordered_multimap::insert
unordered_multimap::emplace
unordered_multimap::emplace_hint
unordered_multimap::erase
unordered_multimap::swap
Lookup
Original:
Lookup
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unordered_multimap::count
unordered_multimap::find
unordered_multimap::equal_range
Benna interfaccia
Original:
Bucket interface
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unordered_multimap::begin2
unordered_multimap::end2
unordered_multimap::bucket_count
unordered_multimap::max_bucket_count
unordered_multimap::bucket_size
unordered_multimap::bucket
Politica di Hash
Original:
Hash policy
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unordered_multimap::load_factor
unordered_multimap::max_load_factor
unordered_multimap::rehash
unordered_multimap::reserve
Osservatori
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Observers
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unordered_multimap::hash_function
unordered_multimap::key_eq
 
template< class... Args >
iterator emplace( Args&&... args );
(dal C++11)
Inserisce un nuovo elemento al contenitore. L'elemento è costruito sul posto, cioè non copia o operazioni di spostamento vengono eseguite. The constructor of the element type (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)....
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 type (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)....
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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().

Indice

[modifica] Parametri

args -
argomenti da inoltrare al costruttore dell'elemento
Original:
arguments to forward to the constructor of the element
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[modifica] Valore di ritorno

returns 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
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(membro pubblico funzione) [edit]
inserti di elementi
Original:
inserts elements
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(membro pubblico funzione) [edit]