std::unordered_map::erase

 

C++

Linguaggio

Concetti

Libreria di Utilità

Stringhe

Contenitori

Algoritmi

Iteratori

Libreria matematca

Input/output

Localizzazione

Espressioni regolari(C++11)

Operazioni atomicche(C++11)

Multithreading(C++11)

 

Contenitori libreria

array (C++11)

vector

deque

forward_list (C++11)

list

set

multiset

map

multimap

unordered_set (C++11)

unordered_multiset (C++11)

unordered_map (C++11)

unordered_multimap (C++11)

stack

queue

priority_queue

 

std::unordered_map

Membri funzioni Original: Member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

unordered_map::unordered_map

unordered_map::~unordered_map

unordered_map::operator=

unordered_map::get_allocator

Iteratori Original: Iterators The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

unordered_map::begin unordered_map::cbegin

unordered_map::end unordered_map::cend

Capacità Original: Capacity The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

unordered_map::erase

unordered_map::size

unordered_map::max_size

Modificatori Original: Modifiers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

unordered_map::clear

unordered_map::insert

unordered_map::emplace

unordered_map::emplace_hint

unordered_map::erase

unordered_map::swap

Lookup Original: Lookup The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

unordered_map::count

unordered_map::find

unordered_map::equal_range

Benna interfaccia Original: Bucket interface The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

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 The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

unordered_map::load_factor

unordered_map::max_load_factor

unordered_map::rehash

unordered_map::reserve

Osservatori Original: Observers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

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.

Parametri

pos	-	iteratore all'elemento da rimuovere Original: iterator to the element to remove The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
first, last	-	intervallo di elementi da rimuovere Original: range of elements to remove The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
key	-	valore chiave degli elementi da rimuovere Original: key value of the elements to remove The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

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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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()

Vedi anche

clear	cancella il contenuto Original: clears the contents The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (metodo pubblico)