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std::unordered_multiset::size

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std :: unordered_multiset
Les fonctions membres
Original:
Member functions
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unordered_multiset::unordered_multiset
unordered_multiset::~unordered_multiset
unordered_multiset::operator=
unordered_multiset::get_allocator
Les itérateurs
Original:
Iterators
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unordered_multiset::begin
unordered_multiset::cbegin
unordered_multiset::end
unordered_multiset::cend
Capacité
Original:
Capacity
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unordered_multiset::erase
unordered_multiset::size
unordered_multiset::max_size
Modificateurs
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
Interface seau
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
Politique de hachage
Original:
Hash policy
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unordered_multiset::load_factor
unordered_multiset::max_load_factor
unordered_multiset::rehash
unordered_multiset::reserve
Des observateurs
Original:
Observers
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unordered_multiset::hash_function
unordered_multiset::key_eq
 
size_type size() const;
(depuis C++11)

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

Sommaire

[modifier] Paramètres

(Aucun)
Original:
(none)
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[modifier] Retourne la valeur

le nombre d'éléments dans le conteneur
Original:
the number of elements in the container
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[modifier] Exceptions

noexcept specification:  
noexcept
   (depuis C++11)

[modifier] Complexité

Constant

[modifier] Exemple

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";
}

Résultat :

nums contains 4 elements.

[modifier] Voir aussi

vérifie si le conteneur est vide
Original:
checks whether the container is empty
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(fonction membre publique) [edit]
retourne le plus grand nombre possible d'éléments
Original:
returns the maximum possible number of elements
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(fonction membre publique) [edit]