Namespace
Varianti

std::unordered_multiset::size

Da cppreference.com.

 
 
 
std :: unordered_multiset
Membri funzioni
Original:
Member functions
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unordered_multiset::unordered_multiset
unordered_multiset::~unordered_multiset
unordered_multiset::operator=
unordered_multiset::get_allocator
Iteratori
Original:
Iterators
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unordered_multiset::begin
unordered_multiset::cbegin
unordered_multiset::end
unordered_multiset::cend
Capacità
Original:
Capacity
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unordered_multiset::erase
unordered_multiset::size
unordered_multiset::max_size
Modificatori
Original:
Modifiers
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unordered_multiset::clear
unordered_multiset::insert
unordered_multiset::emplace
unordered_multiset::emplace_hint
unordered_multiset::erase
unordered_multiset::swap
Lookup
Original:
Lookup
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unordered_multiset::count
unordered_multiset::find
unordered_multiset::equal_range
Benna interfaccia
Original:
Bucket interface
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unordered_multiset::begin2
unordered_multiset::end2
unordered_multiset::bucket_count
unordered_multiset::max_bucket_count
unordered_multiset::bucket_size
unordered_multiset::bucket
Politica di Hash
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Hash policy
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unordered_multiset::load_factor
unordered_multiset::max_load_factor
unordered_multiset::rehash
unordered_multiset::reserve
Osservatori
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Observers
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unordered_multiset::hash_function
unordered_multiset::key_eq
 
size_type size() const;
(dal C++11)

Returns the number of elements in the container, i.e. std::distance(begin(), end()).

Indice

[modifica] Parametri

(Nessuno)
Original:
(none)
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[modifica] Valore di ritorno

il numero di elementi nel contenitore
Original:
the number of elements in the container
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[modifica] Eccezioni

noexcept specification:  
noexcept
  (dal C++11)

[modifica] Complessità

Constant

[modifica] Esempio

The following code uses size to display the number of elements in a std::unordered_multiset<int>:

#include <unordered_multiset>
#include <iostream>
 
int main()
{
    std::unordered_multiset<int> nums {1, 3, 5, 7};
 
    std::cout << "nums contains " << nums.size() << " elements.\n";
}

Output:

nums contains 4 elements.

[modifica] Vedi anche

verifica se il contenitore è vuoto
Original:
checks whether the container is empty
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(membro pubblico funzione) [edit]
restituisce il massimo numero possibile di elementi
Original:
returns the maximum possible number of elements
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(membro pubblico funzione) [edit]