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    std::uses_allocator

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    <metanoindex/>

     
    C++
     
    Bibliothque d'utilitaires
     
    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)
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    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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    <tbody> </tbody>
    Dclar dans l'en-tte <memory>
    template< class T, class Alloc > struct uses_allocator
    		 (depuis C++11)
    Si T a une allocator_type membre typedef qui est convertible partir Alloc, fournit du membre de constante gale value true. Sinon value est false .
    Original:
    If T has a member typedef allocator_type which is convertible from Alloc, provides the member constant value equal to true. Otherwise value is false.
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    Inherited from std::integral_constant

    Member constants

    value
    [
    statique
    Original:
    static
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    ]
    true si T uses allocator Alloc, false autrement
    Original:
    true if T uses allocator Alloc, false otherwise
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    (constante membre statique publique)

    Member functions

    operator bool
    convertit l'objet en bool, retourne value
    Original:
    converts the object to bool, returns value
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    (fonction membre publique)

    Member types

    Type d'
    Original:
    Type
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    		 Definition
    value_type bool
    type std::integral_constant<bool, value>

    Spcialisations

    Spcialisations personnaliss de ce trait de type std::uses_allocator sont autoriss pour les types qui n'ont pas la allocator_type membre typedef, mais satisfaire l'une des deux conditions suivantes:
    Original:
    Custom specializations of the type trait std::uses_allocator are allowed for types that do not have the member typedef allocator_type but satisfy one of the following two requirements:
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    1)

    T a un constructeur qui prend std::allocator_arg_t comme premier argument, et Alloc comme second argument .
    Original:
    T has a constructor which takes std::allocator_arg_t as the first argument, and Alloc as the second argument.
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    2)

    T a un constructeur qui prend Alloc comme dernier argument .
    Original:
    T has a constructor which takes Alloc as the last argument.
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    Les spcialisations suivantes sont dj fournis par la bibliothque standard:
    Original:
    The following specializations are already provided by the standard library:
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    (C++11)
    se spcialise le trait de type std::uses_allocator
    Original:
    specializes the std::uses_allocator type trait
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    (classe gnrique spcialise) [edit]
    (C++11)
    se spcialise le trait de type std::uses_allocator
    Original:
    specializes the std::uses_allocator type trait
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    (fonction gnrique) [edit]
    (C++11)
    se spcialise le trait de type std::uses_allocator
    Original:
    specializes the std::uses_allocator type trait
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    (fonction gnrique) [edit]
    (C++11)
    se spcialise le trait de type std::uses_allocator
    Original:
    specializes the std::uses_allocator type trait
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    (fonction gnrique) [edit]
    (C++11)
    		 spcialise std::uses_allocator
    (classe gnrique spcialise) [edit]
    (C++11)
    se spcialise le trait de type std::uses_allocator
    Original:
    specializes the std::uses_allocator type trait
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    (classe gnrique spcialise) [edit]
    (C++11)
    se spcialise le trait de type std::uses_allocator
    Original:
    specializes the std::uses_allocator type trait
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    (classe gnrique spcialise) [edit]

    Notes

    Ce trait type est utilis par std::scoped_allocator_adaptor et peut tre utilis par les rpartiteurs personnaliss afin de dterminer si l'objet en cours de construction est lui-mme capable d'utiliser un allocateur (par exemple un conteneur), auquel cas un allocateur doit tre transmis son constructeur .
    Original:
    This type trait is used by std::scoped_allocator_adaptor and may be used by custom allocators to determine whether the object being constructed is itself capable of using an allocator (e.g. is a container), in which case an allocator should be passed to its constructor.
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    Voir aussi

    (C++11)
    un objet de std::allocator_arg_t type utilis pour slectionner allocateur-aware constructeurs
    Original:
    an object of type std::allocator_arg_t used to select allocator-aware constructors
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    (constante) [edit]
    (C++11)
    type de variable utilis pour slectionner surcharges de constructeur allocateur-aware
    Original:
    tag type used to select allocator-aware constructor overloads
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    (classe) [edit]
    (C++11)
    met en oeuvre plusieurs niveaux d'affectation de niveaux multiples rcipients
    Original:
    implements multi-level allocator for multi-level containers
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    (classe gnrique) [edit]
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