Varianti

    std::pointer_traits::pointer_to

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    <metanoindex/>

     
    C++
     
    Gestione della memoria dinamica
    Basso livello di gestione della memoria
    Allocatori
    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 inizializzata stoccaggio
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    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
    Puntatori intelligenti
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    Smart pointers
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    unique_ptr(C++11)
    shared_ptr(C++11)
    weak_ptr(C++11)
    auto_ptr(deprecato)
    owner_less(C++11)
    enable_shared_from_this(C++11)
    bad_weak_ptr(C++11)
    default_delete(C++11)
    Garbage collection supporto
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    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)
    Varie
    Original:
    Miscellaneous
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    pointer_traits(C++11)
    addressof(C++11)
    align(C++11)
    C Library
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    C Library
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    std::pointer_traits
    Membri funzioni
    Original:
    Member functions
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    pointer_traits::pointer_to
     
    <tbody> </tbody>
    Elemento definito nell'header <memory>
    static pointer pointer_traits<Ptr>::pointer_to(element_type& r );
    		 (dal C++11)
    <tbody> </tbody>
    static pointer pointer_traits<T*>::pointer_to(element_type& r);
    		 (dal C++11)
    Costruisce un puntatore dereferenceable la sua tesi.
    Original:
    Constructs a dereferenceable pointer to its argument.
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    1)
    La versione di questa funzione nel non specializzato modello std::pointer_traits chiama semplicemente Ptr::pointer_to(r), e se Ptr non fornisce una funzione di membro static pointer_to, istanze di questa funzione è un errore di compilazione.
    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 versione di questa funzione nella specializzazione di std::pointer_traits per i tipi di puntatore restituisce 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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    Parametri

    r -
    riferimento a un oggetto di element_type& tipo, a meno che ELEMENT_TYPE è void, nel qual caso il tipo di r non è specificato
    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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    Valore di ritorno

    Un puntatore a dereferenceable r, del pointer_traits tipo <> :: puntatore.
    Original:
    A dereferenceable pointer to r, of the type pointer_traits<>::pointer.
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    Eccezioni

    1)

    Non specificato (in genere come Ptr::pointer_to)
    Original:
    Unspecified (typically same as Ptr::pointer_to)
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    2)

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

    Note

    Il boost library version di questa funzione restituisce pointer(std::addressof(r)) se Ptr :: pointer_to non esiste.
    Original:
    The boost library version of this function returns pointer(std::addressof(r)) if Ptr::pointer_to does not exist.
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    Vedi anche

    (C++11)
    ottiene l'indirizzo reale di un oggetto, anche se l'operatore &' è sovraccarico
    Original:
    obtains actual address of an object, even if the & operator is overloaded
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    (funzione di modello) [modifica]
    ottiene l'indirizzo di un oggetto, anche se operator& è sovraccarico
    Original:
    obtains the address of an object, even if operator& is overloaded
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    (metodo pubblico) [modifica]