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std::scoped_allocator_adaptor

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C++
 
Gerenciamento de memória dinâmica
Gerenciamento de memória de baixo nível
Alocadores
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)
Uninitialized armazenamento
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
Ponteiros inteligentes
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Smart pointers
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unique_ptr(C++11)
shared_ptr(C++11)
weak_ptr(C++11)
auto_ptr(obsoleta)
owner_less(C++11)
enable_shared_from_this(C++11)
bad_weak_ptr(C++11)
default_delete(C++11)
Apoio a coleta de lixo
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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)
Diversos
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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::scoped_allocator_adaptor
Funções de membro
Original:
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
Não-membros funções
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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;
 (a partir do C++ 11)
O modelo de classe std::scoped_allocator_adaptor é um alocador que pode ser utilizado com recipientes de vários níveis (vector de conjuntos de listas de tuplos de mapas, etc.) Ele é instanciado com um OuterAlloc exterior alocador tipo e zero ou mais interior alocador InnerAlloc... tipos. Um contêiner construído diretamente com um scoped_allocator_adaptor usa OuterAlloc para alocar seus elementos, mas se um elemento é em si um recipiente, ele usa o alocador primeiro interior. Os elementos do contentor que, se eles são, eles próprios recipientes, use o alocador segunda interior, etc Se houver mais níveis para o recipiente do que há allocators interiores, o alocador último interior é reutilizado para todos os recipientes adicionais aninhados.
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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Para efeitos de scoped_allocator_adaptor, se o alocador próxima interior é A, qualquer T classe para a qual participa no std::uses_allocator<T,A>::value == true recursão como se fosse um recipiente. Além disso, std::pair é tratado como um tal recipiente por sobrecargas específicas de scoped_allocator_adaptor::construct.
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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Implementação típica possui uma instância de uma std::scoped_allocator_adaptor<InnerAllocs...> como um objeto membro.
Original:
Typical implementation holds an instance of a std::scoped_allocator_adaptor<InnerAllocs...> as a member object.
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Índice

[editar] Tipos de membro

Tipo
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;
};

[editar] Funções de membro
cria uma instância scoped_allocator_adaptor novo
Original:
creates a new scoped_allocator_adaptor instance
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(função pública membro) [edit]
destrói uma instância scoped_allocator_adaptor
Original:
destructs a scoped_allocator_adaptor instance
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(função pública membro) [edit]
obtém uma referência inner_allocator
Original:
obtains an inner_allocator reference
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(função pública membro) [edit]
obtém uma referência outer_allocator
Original:
obtains an outer_allocator reference
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(função pública membro) [edit]
aloca não inicializado usando o alocador de armazenamento externo
Original:
allocates uninitialized storage using the outer allocator
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(função pública membro) [edit]
aloca armazenamento usando o alocador exterior
Original:
allocates storage using the outer allocator
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(função pública membro) [edit]
returns the largest allocation size supported by the outer allocator
(função pública membro) [edit]
constrói um objeto no armazenamento alocado, passando o alocador interior de seu construtor, se necessário
Original:
constructs an object in allocated storage, passing the inner allocator to its constructor if appropriate
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(função pública membro) [edit]
desrtucts um objeto no armazenamento alocado
Original:
desrtucts an object in allocated storage
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(função pública membro) [edit]
copia o estado de scoped_allocator_adaptor e todos os seus alocadores
Original:
copies the state of scoped_allocator_adaptor and all its allocators
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(função pública membro) [edit]

[editar] Não-membros funções
compara duas instâncias scoped_allocator_adaptor
Original:
compares two scoped_allocator_adaptor instances
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(função pública membro) [edit]

[editar] Veja também

(C++11)
fornece informações sobre os tipos de alocador
Original:
provides information about allocator types
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(modelo de classe) [edit]
(C++11)
verifica se o tipo especificado suporta usos alocador-construção
Original:
checks if the specified type supports uses-allocator construction
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(modelo de classe) [edit]
the default allocator
(modelo de classe) [edit]
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