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std::scoped_allocator_adaptor

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Dynamische Speicherverwaltung
Low-Level-Speicherverwaltung
Zuweiser
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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)
Initialisierter Speicher
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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
Intelligente Zeiger
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Smart pointers
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unique_ptr(C++11)
shared_ptr(C++11)
weak_ptr(C++11)
auto_ptr(veraltet)
owner_less(C++11)
enable_shared_from_this(C++11)
bad_weak_ptr(C++11)
default_delete(C++11)
Garbage Collection Unterstützung
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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)
Verschiedenes
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Miscellaneous
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pointer_traits(C++11)
addressof(C++11)
align(C++11)
C-Bibliothek
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C Library
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std::scoped_allocator_adaptor
Member-Funktionen
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Member functions
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scoped_allocator_adaptor::scoped_allocator_adaptor
scoped_allocator_adaptor::~scoped_allocator_adaptor
scoped_allocator_adaptor::inner_allocator
scoped_allocator_adaptor::outer_allocator
scoped_allocator_adaptor::allocate
scoped_allocator_adaptor::deallocate
scoped_allocator_adaptor::max_size
scoped_allocator_adaptor::construct
scoped_allocator_adaptor::destroy
scoped_allocator_adaptor::select_on_container_copy_construction
Non-Member-Funktionen
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Non-member functions
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operator==
operator!=
 
Defined in header <scoped_allocator>
template< class OuterAlloc, class... InnerAlloc >
class scoped_allocator_adaptor : public OuterAlloc;
(seit C++11)
Die std::scoped_allocator_adaptor Klassenvorlage eine Zuweisungseinrichtung, die mit mehrstufigen Behältern (Vektor von Sätzen von Listen von Tupeln von Karten usw.) verwendet werden kann. Es ist mit einer äußeren Zuordner Typs OuterAlloc und null oder mehr inneren Zuordner Typen InnerAlloc... instanziiert. Ein Behälter mit einem direkt scoped_allocator_adaptor konstruiert verwendet OuterAlloc seine Elemente zuordnen, doch wenn ein Element ist selbst ein Behälter, verwendet es die erste innere Zuordner. Die Elemente des Containers, wenn sie sich Container sind, verwenden Sie die zweite innere allocator, etc. Wenn es mehrere Ebenen, um den Behälter, als es innere Zuweiser, die letzten inneren allocator für alle weiteren verschachtelten Containern verwendet wird, sind .
Original:
The std::scoped_allocator_adaptor class template is an allocator which can be used with multilevel containers (vector of sets of lists of tuples of maps, etc). It is instantiated with one outer allocator type OuterAlloc and zero or more inner allocator types InnerAlloc.... A container constructed directly with a scoped_allocator_adaptor uses OuterAlloc to allocate its elements, but if an element is itself a container, it uses the first inner allocator. The elements of that container, if they are themselves containers, use the second inner allocator, etc. If there are more levels to the container than there are inner allocators, the last inner allocator is reused for all further nested containers.
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Zum Zwecke der scoped_allocator_adaptor, wenn der nächst inneren Zuordner ist A, jede Klasse, für die T std::uses_allocator<T,A>::value == true nimmt an der Rekursion, als wäre es ein Container. Zusätzlich wird std::pair als solche Behälter durch bestimmte Überladungen scoped_allocator_adaptor::construct behandelt .
Original:
For the purpose of scoped_allocator_adaptor, if the next inner allocator is A, any class T for which std::uses_allocator<T,A>::value == true participates in the recursion as if it was a container. Additionally, std::pair is treated as such a container by specific overloads of scoped_allocator_adaptor::construct.
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Typische Umsetzung hält eine Instanz einer std::scoped_allocator_adaptor<InnerAllocs...> als Mitglied Objekt .
Original:
Typical implementation holds an instance of a std::scoped_allocator_adaptor<InnerAllocs...> as a member object.
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Inhaltsverzeichnis

[Bearbeiten] Mitglied Typen

Type
Original:
Type
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Definition
outer_allocator_type OuterAlloc
inner_allocator_type scoped_allocator_adaptor<InnerAllocs...> or, if sizeof...(InnerAllocs) == 0, scoped_allocator_adaptor<OuterAlloc>
value_type std::allocator_traits<OuterAlloc>::value_type
size_type std::allocator_traits<OuterAlloc>::size_type
difference_type std::allocator_traits<OuterAlloc>::difference_type
pointer std::allocator_traits<OuterAlloc>::pointer
const_pointer std::allocator_traits<OuterAlloc>::const_pointer
void_pointer std::allocator_traits<OuterAlloc>::void_pointer
const_void_pointer std::allocator_traits<OuterAlloc>::const_void_pointer
propagate_on_container_copy_assignment
std::true_type if std::allocator_traits<A>::propagate_on_container_copy_assignment::value is true for at least one allocator A among OuterAlloc and InnerAlloc...
propagate_on_container_move_assignment
std::true_type if std::allocator_traits<A>::propagate_on_container_move_assignment::value is true for at least one allocator A among OuterAlloc and InnerAlloc...
propagate_on_container_swap
std::true_type if std::allocator_traits<A>::propagate_on_container_swap::value is true for at least one allocator A among OuterAlloc and InnerAlloc...
rebind
template< class T >
struct rebind {
    typedef scoped_allocator_adaptor<
        std::allocator_traits<OuterAlloc>::template rebind_alloc<T>, 
        InnerAllocs...
    > other;
};

[Bearbeiten] Member-Funktionen

schafft eine neue scoped_allocator_adaptor Instanz
Original:
creates a new scoped_allocator_adaptor instance
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(öffentliche Elementfunktion) [edit]
zerstört sich eine scoped_allocator_adaptor Instanz
Original:
destructs a scoped_allocator_adaptor instance
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(öffentliche Elementfunktion) [edit]
erhält einen inner_allocator Referenz
Original:
obtains an inner_allocator reference
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(öffentliche Elementfunktion) [edit]
erhält einen outer_allocator Referenz
Original:
obtains an outer_allocator reference
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(öffentliche Elementfunktion) [edit]
ordnet initialisierten Speicher mit den äußeren Allocator
Original:
allocates uninitialized storage using the outer allocator
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(öffentliche Elementfunktion) [edit]
ordnet Speicher mit den äußeren Allocator
Original:
allocates storage using the outer allocator
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(öffentliche Elementfunktion) [edit]
returns the largest allocation size supported by the outer allocator
(öffentliche Elementfunktion) [edit]
baut ein Objekt in zugewiesenen Lagerstätten, vorbei an der inneren allocator an den Konstruktor gegebenenfalls
Original:
constructs an object in allocated storage, passing the inner allocator to its constructor if appropriate
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(öffentliche Elementfunktion) [edit]
desrtucts ein Objekt in zugewiesenen Lagerstätten
Original:
desrtucts an object in allocated storage
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(öffentliche Elementfunktion) [edit]
kopiert den Zustand der scoped_allocator_adaptor und alle Zuweiser
Original:
copies the state of scoped_allocator_adaptor and all its allocators
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(öffentliche Elementfunktion) [edit]

[Bearbeiten] Non-Member-Funktionen

vergleicht zwei scoped_allocator_adaptor Instanzen
Original:
compares two scoped_allocator_adaptor instances
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(öffentliche Elementfunktion) [edit]

[Bearbeiten] Siehe auch

liefert Informationen über allocator Typen
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provides information about allocator types
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(Klassen-Template) [edit]
prüft, ob der angegebene Typ unterstützt uses-Allocator Bau
Original:
checks if the specified type supports uses-allocator construction
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(Klassen-Template) [edit]
the default allocator
(Klassen-Template) [edit]