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std::weak_ptr::use_count

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< cpp‎ | memory‎ | weak ptr

 
 
 
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std::weak_ptr
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weak_ptr::use_count
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std::swap
 
long use_count() const;
(depuis C++11)
Retourne le nombre de cas shared_ptr que l'actionnariat de l'objet géré ou 0 si l'objet géré a déjà été supprimé, soit *this est vide .
Original:
Returns the number of shared_ptr instances that share ownership of the managed object, or 0 if the managed object has already been deleted, i.e. *this is empty.
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Sommaire

[modifier] Paramètres

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

Le nombre de cas shored_ptr le partage de la propriété de l'objet géré .
Original:
The number of shored_ptr instances sharing the ownership of the managed object.
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[modifier] Exceptions

noexcept specification:  
noexcept
   (depuis C++11)

[modifier] Notes

expired() peut être plus rapide que use_count() .
Original:
expired() may be faster than use_count().
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[modifier] Exemple

[modifier] Voir aussi

vérifie si l'objet référencé a déjà été supprimé
Original:
checks whether the referenced object was already deleted
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(fonction membre publique) [edit]