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    std::pointer_traits::pointer_to

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    <metanoindex/>

     
    C++
     
    La gestion dynamique de la mémoire
    Faible niveau de gestion de la mémoire
    Répartiteurs
    Original:
    Allocators
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    allocator
    allocator_traits (C++11)
    allocator_arg_t (C++11)
    allocator_arg (C++11)
    uses_allocator (C++11)
    scoped_allocator_adaptor (C++11)
    Non initialisée stockage
    Original:
    Uninitialized storage
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    uninitialized_copy
    uninitialized_copy_n (C++11)
    uninitialized_fill
    uninitialized_fill_n
    raw_storage_iterator
    get_temporary_buffer
    return_temporary_buffer
    Pointeurs intelligents
    Original:
    Smart pointers
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    unique_ptr (C++11)
    shared_ptr (C++11)
    weak_ptr (C++11)
    auto_ptr (obsolète)
    owner_less (C++11)
    enable_shared_from_this (C++11)
    bad_weak_ptr (C++11)
    default_delete (C++11)
    Soutien garbage collection
    Original:
    Garbage collection support
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    declare_reachable (C++11)
    undeclare_reachable (C++11)
    declare_no_pointers (C++11)
    undeclare_no_pointers (C++11)
    pointer_safety (C++11)
    get_pointer_safety (C++11)
    Divers
    Original:
    Miscellaneous
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    pointer_traits (C++11)
    addressof (C++11)
    align (C++11)
    Bibliothèque C
    Original:
    C Library
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    std::pointer_traits
    Les fonctions membres
    Original:
    Member functions
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    pointer_traits::pointer_to
     
    <tbody> </tbody>
    Déclaré dans l'en-tête <memory>
    static pointer pointer_traits<Ptr>::pointer_to(element_type& r );
    		 (depuis C++11)
    <tbody> </tbody>
    static pointer pointer_traits<T*>::pointer_to(element_type& r);
    		 (depuis C++11)
    Construit un pointeur dereferenceable à son argument .
    Original:
    Constructs a dereferenceable pointer to its argument.
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    1)
    La version de cette fonction dans le modèle std::pointer_traits non spécialisé appelle simplement Ptr::pointer_to(r), et si Ptr ne fournit pas une fonction membre statique pointer_to, l'instanciation de cette fonction est une erreur de compilation .
    Original:
    The version of this function in the non-specialized std::pointer_traits template simply calls Ptr::pointer_to(r), and if Ptr does not provide a static member function pointer_to, instantiation of this function is a compile-time error.
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    2)
    La version de cette fonction dans la spécialisation des std::pointer_traits pour les types pointeur retourne std::addressof(r)
    Original:
    The version of this function in the specialization of std::pointer_traits for pointer types returns std::addressof(r)
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    Paramètres

    r -
    référence à un objet de element_type& type, sauf si ELEMENT_TYPE est void, dans ce cas, le type de r n'est pas spécifié
    Original:
    reference to an object of type element_type&, except if element_type is void, in which case the type of r is unspecified
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    Retourne la valeur

    Un pointeur dereferenceable à r, de la pointer_traits type <> :: .. pointeur
    Original:
    A dereferenceable pointer to r, of the type pointer_traits<>::pointer.
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    Exceptions

    1)

    Non spécifié (généralement la même que Ptr::pointer_to)
    Original:
    Unspecified (typically same as Ptr::pointer_to)
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    2)

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

    Notes

    Le boost library version de cette fonction retourne pointer(std::addressof(r)) si Ptr :: pointer_to n'existe pas .
    Original:
    The boost library version of this function returns pointer(std::addressof(r)) if Ptr::pointer_to does not exist.
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    Voir aussi

    (C++11)
    obtient l'adresse réelle d'un objet, même si l'opérateur & est surchargé
    Original:
    obtains actual address of an object, even if the & operator is overloaded
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    (fonction générique) [edit]
    obtient l'adresse d'un objet, même si operator& est surchargé
    Original:
    obtains the address of an object, even if operator& is overloaded
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    (fonction membre publique de std::allocator) [edit]