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std::allocator_traits

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C++
 
Gerenciamento de memória dinâmica
Gerenciamento de memória de baixo nível
Alocadores
Original:
Allocators
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allocator_traits
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
Uninitialized armazenamento
Original:
Uninitialized storage
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(C++11)
Ponteiros inteligentes
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Smart pointers
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(C++11)
(C++11)
(C++11)
(obsoleta)
(C++11)
(C++11)
(C++11)
(C++11)
Apoio a coleta de lixo
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Garbage collection support
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(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
Diversos
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Miscellaneous
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(C++11)
(C++11)
(C++11)
C Library
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C Library
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std::allocator_traits
Funções de membro
Original:
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
 
Definido no cabeçalho <memory>
template< class Alloc >
struct allocator_traits;
 (desde C++11)
O modelo de classe allocator_traits fornece a maneira padronizada para acessar várias propriedades de alocadores. Os contêineres padrão e outros componentes da biblioteca padrão alocadores de acesso através deste modelo, o que torna possível a utilização de qualquer tipo de classe como um alocador, enquanto a especialização fornecido pelo usuário de allocator_traits implementa todas as funcionalidades necessárias.
Original:
The allocator_traits class template provides the standardized way to access various properties of allocators. The standard containers and other standard library components access allocators through this template, which makes it possible to use any class type as an allocator, as long as the user-provided specialization of allocator_traits implements all required functionality.
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O padrão, não especializada, allocator_traits, contém os seguintes membros:
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The default, non-specialized, allocator_traits contains the following members:
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Índice

[editar] Tipos de membro

Tipo
Original:
Type
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 Definition
allocator_type Alloc
value_type Alloc::value_type
pointer
Alloc::pointer se presente, caso contrário value_type*
Original:
Alloc::pointer if present, otherwise value_type*
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const_pointer
Alloc::const_pointer se presente, caso contrário std::pointer_traits<pointer>::rebind<const value_type>
Original:
Alloc::const_pointer if present, otherwise std::pointer_traits<pointer>::rebind<const value_type>
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void_pointer
Alloc::void_pointer se presente, caso contrário std::pointer_traits<pointer>::rebind<void>
Original:
Alloc::void_pointer if present, otherwise std::pointer_traits<pointer>::rebind<void>
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const_void_pointer
Alloc::const_void_pointer se presente, caso contrário std::pointer_traits<pointer>::rebind<const void>
Original:
Alloc::const_void_pointer if present, otherwise std::pointer_traits<pointer>::rebind<const void>
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difference_type
Alloc::difference_type se presente, caso contrário std::pointer_traits<pointer>::difference_type
Original:
Alloc::difference_type if present, otherwise std::pointer_traits<pointer>::difference_type
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size_type
Alloc::size_type se presente, caso contrário std::make_unsigned<difference_type>::type
Original:
Alloc::size_type if present, otherwise std::make_unsigned<difference_type>::type
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propagate_on_container_copy_assignment
Alloc::propagate_on_container_copy_assignment se presente, caso contrário std::false_type
Original:
Alloc::propagate_on_container_copy_assignment if present, otherwise std::false_type
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propagate_on_container_move_assignment
Alloc::propagate_on_container_move_assignment se presente, caso contrário std::false_type
Original:
Alloc::propagate_on_container_move_assignment if present, otherwise std::false_type
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propagate_on_container_swap
Alloc::propagate_on_container_swap se presente, caso contrário std::false_type
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Alloc::propagate_on_container_swap if present, otherwise std::false_type
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[editar] Membros apelido modelos

Tipo
Original:
Type
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 Definition
rebind_alloc<T>
Alloc::rebind<T>::other se presente, de outro modo, se este Alloc<T, Args> Alloc é Alloc<U, Args>
Original:
Alloc::rebind<T>::other if present, otherwise Alloc<T, Args> if this Alloc is Alloc<U, Args>
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rebind_traits<T> std::allocator_traits<rebind_alloc<T>>

[editar] Funções de membro

[estática]
aloca não inicializado de armazenamento usando o alocador
Original:
allocates uninitialized storage using the allocator
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(função public static membro) [edit]
[estática]
desaloca de armazenamento usando o alocador
Original:
deallocates storage using the allocator
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(função public static membro) [edit]
[estática]
constrói um objeto no armazenamento alocado
Original:
constructs an object in the allocated storage
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(modelo de função) [edit]
[estática]
destrói um objeto armazenado no armazenamento alocado
Original:
destructs an object stored in the allocated storage
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(modelo de função) [edit]
[estática]
retorna o tamanho do objeto máximo suportado pelo alocador
Original:
returns the maximum object size supported by the allocator
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(função public static membro) [edit]
[estática]
obtém o alocador de usar depois de copiar um contêiner padrão
Original:
obtains the allocator to use after copying a standard container
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(função public static membro) [edit]

[editar] Veja também

 the default allocator
(modelo de classe) [edit]
(C++11)
implementa multi-nível alocador de multi-nível de contêineres
Original:
implements multi-level allocator for multi-level containers
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(modelo de classe) [edit]
(C++11)
fornece informações sobre como os tipos de ponteiro
Original:
provides information about pointer-like types
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(modelo de classe) [edit]
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