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std::list::size

De cppreference.com
< cpp‎ | container‎ | list

 
 
 
std::list
Les fonctions membres
Original:
Member functions
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list::list
list::~list
list::operator=
list::assign
list::get_allocator
Elément d'accès
Original:
Element access
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list::front
list::back
Les itérateurs
Original:
Iterators
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list::begin
list::cbegin

(C++11)
list::end
list::cend

(C++11)
list::rbegin
list::crbegin

(C++11)
list::rend
list::crend

(C++11)
Capacité
Original:
Capacity
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list::empty
list::size
list::max_size
Modificateurs
Original:
Modifiers
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list::clear
list::insert
list::emplace (C++11)
list::erase
list::push_front
list::emplace_front (C++11)
list::pop_front
list::push_back
list::emplace_back (C++11)
list::pop_back
list::resize
list::swap
Opérations
Original:
Operations
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list::merge
list::splice
list::remove
list::remove_if
list::reverse
list::unique
list::sort
 
size_type size() const;

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 or linear (avant C++11)

Constant (depuis C++11)

[modifier] Exemple

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

#include <list>
#include <iostream>
 
int main()
{
    std::list<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]
modifie le nombre d'éléments stockés
Original:
changes the number of elements stored
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(fonction membre publique) [edit]