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    std::allocator_traits::construct

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    <metanoindex/>

     
    C++
     
    La gestion dynamique de la mmoire
    Faible niveau de gestion de la mmoire
    Rpartiteurs
    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 initialise stockage
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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
    Pointeurs intelligents
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    Smart pointers
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    unique_ptr (C++11)
    shared_ptr (C++11)
    weak_ptr (C++11)
    auto_ptr (obsolte)
    owner_less (C++11)
    enable_shared_from_this (C++11)
    bad_weak_ptr (C++11)
    default_delete (C++11)
    Soutien garbage collection
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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)
    Divers
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    Miscellaneous
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    pointer_traits (C++11)
    addressof (C++11)
    align (C++11)
    Bibliothque C
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    C Library
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    std::allocator_traits
    Les fonctions membres
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    Member functions
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    allocator_traits::allocate
    allocator_traits::deallocate
    allocator_traits::construct
    allocator_traits::destroy
    allocator_traits::max_size
    allocator_traits::select_on_container_copy_construction
     
    <tbody> </tbody>
    Dclar dans l'en-tte <memory>
    template< class T, class... Args > static void construct( Alloc& a, T* p, Args&&... args );
    		 (depuis C++11)
    Si possible, construit un objet de type T de stockage allou non initialise point par p, en appelant
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    If possible, constructs an object of type T in allocated uninitialized storage pointed to by p, by calling
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    a.construct(p, std::forward<Args>(args)...)

    Si ce qui prcde n'est pas possible (par exemple a n'a pas la fonction membre construct(),), puis appelle le placement-nouveau
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    If the above is not possible (e.g. a does not have the member function construct(),), then calls placement-new as
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    ::new (static_cast<void*>(p)) T(std::forward<Args>(args)...)

    Paramtres

    a -
    allocateur utiliser pour la construction
    Original:
    allocator to use for construction
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    args... -
    les arguments du constructeur pour passer a.construct() ou au placement neuf
    Original:
    the constructor arguments to pass to a.construct() or to placement-new
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    Retourne la valeur

    (Aucun)
    Original:
    (none)
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    Notes

    Cette fonction est utilise par les conteneurs de la bibliothque standard lors de l'insertion, de copier ou lments mobiles .
    Original:
    This function is used by the standard library containers when inserting, copying, or moving elements.
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    Parce que cette fonction fournit la chute automatique de retour vers nouveau placement, le construct() fonction membre est une condition Allocator option puisque le C + 11 .
    Original:
    Because this function provides the automatic fall back to placement new, the member function construct() is an optional Allocator requirement since C++11.
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    Voir aussi
    fonctions d'allocation
    Original:
    allocation functions
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    (fonction) [edit]
    construit un objet de stockage allou
    Original:
    constructs an object in allocated storage
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    (fonction membre publique de std::allocator) [edit]
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