Namespace
Varianti

std::unordered_map::erase

Da cppreference.com.

 
 
 
std::unordered_map
Membri funzioni
Original:
Member functions
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unordered_map::unordered_map
unordered_map::~unordered_map
unordered_map::operator=
unordered_map::get_allocator
Iteratori
Original:
Iterators
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unordered_map::begin
unordered_map::cbegin
unordered_map::end
unordered_map::cend
Capacità
Original:
Capacity
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unordered_map::erase
unordered_map::size
unordered_map::max_size
Modificatori
Original:
Modifiers
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unordered_map::clear
unordered_map::insert
unordered_map::emplace
unordered_map::emplace_hint
unordered_map::erase
unordered_map::swap
Lookup
Original:
Lookup
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unordered_map::count
unordered_map::find
unordered_map::equal_range
Benna interfaccia
Original:
Bucket interface
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unordered_map::begin2
unordered_map::end2
unordered_map::bucket_count
unordered_map::max_bucket_count
unordered_map::bucket_size
unordered_map::bucket
Politica di Hash
Original:
Hash policy
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unordered_map::load_factor
unordered_map::max_load_factor
unordered_map::rehash
unordered_map::reserve
Osservatori
Original:
Observers
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unordered_map::hash_function
unordered_map::key_eq
 
iterator erase( const_iterator position );
(1) (dal C++11)
iterator erase( const_iterator first, const_iterator last );
(2) (dal C++11)
size_type erase( const key_type& key );
(3) (dal C++11)
Rimuove gli elementi specificati dal contenitore.
Original:
Removes specified elements from the container.
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1)
Rimuove l'elemento in pos.
Original:
Removes the element at pos.
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2)
Rimuove gli elementi della gamma [first; last).
Original:
Removes the elements in the range [first; last).
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3)
Rimuove tutti gli elementi con il key valore della chiave
Original:
Removes all elements with the key value key
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References and iterators to the erased elements are invalidated. Other iterators and references are not invalidated.

Indice

[modifica] Parametri

pos -
iteratore all'elemento da rimuovere
Original:
iterator to the element to remove
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first, last -
intervallo di elementi da rimuovere
Original:
range of elements to remove
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key -
valore chiave degli elementi da rimuovere
Original:
key value of the elements to remove
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[modifica] Valore di ritorno

1-2)
Iterator dopo l'ultimo elemento rimosso.
Original:
Iterator following the last removed element.
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3)
Numero di elementi rimossi.
Original:
Number of elements removed.
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[modifica] Complessità

1) Average case: constant, worst case: a.size()
2) Average case: std::distance(first, last), worst case: a.size()
3) Average case: a.count(key), worst case: a.size()

[modifica] Vedi anche

cancella il contenuto
Original:
clears the contents
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(membro pubblico funzione) [edit]