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    std::weak_ptr::use_count

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    <metanoindex/>

     
    C++
     
    Bibliothèque d'utilitaires
     
    La gestion dynamique de la mémoire
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    std::weak_ptr
    Les fonctions membres
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    weak_ptr::weak_ptr
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    Observers
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    weak_ptr::use_count
    weak_ptr::expired
    weak_ptr::lock
    weak_ptr::owner_before
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    Non-member functions
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    std::swap
     
    <tbody> </tbody>
    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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    Paramètres

    (Aucun)
    Original:
    (none)
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    Retourne la valeur

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

    noexcept specification:  
    <tbody> </tbody>
    noexcept
       (depuis C++11)

    Notes

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

    This section is incomplete
    Reason: no example

    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]