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      std::allocator

      Da cppreference.com
      < cpp‎ | memory

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      C++
       
      Gerenciamento de memória dinâmica
      Gerenciamento de memória de baixo nível
      Alocadores
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      Allocators
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      allocator
      (C++11)
      (C++11)
      (C++11)
      (C++11)
      (C++11)
      Uninitialized armazenamento
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      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)
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      (C++11)
      (C++11)
      (C++11)
      Apoio a coleta de lixo
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      Garbage collection support
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      (C++11)
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      (C++11)
      (C++11)
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      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
      Funções de membro
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      Member functions
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      allocator::allocator
      allocator::~allocator
      allocator::address
      allocator::allocate
      allocator::deallocate
      allocator::max_size
      allocator::construct
      allocator::destroy
      Não-membros funções
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      Non-member functions
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      Definido no cabeçalho <memory>
      template<class T >
      struct allocator;
      		 (1)
      template<>
      struct allocator<void>;
      		 (2)
      O modelo de classe std::allocator é o Allocator padrão usado por todos os recipientes de biblioteca padrão se nenhum alocador especificado pelo usuário é fornecida. O alocador padrão é apátrida, ou seja, todas as instâncias do alocador de dado são intercambiáveis, comparar igual e pode liberar a memória alocada por qualquer outra instância do tipo alocador mesmo.
      Original:
      The std::allocator class template is the default Allocator used by all standard library containers if no user-specified allocator is provided. The default allocator is stateless, that is, all instances of the given allocator are interchangeable, compare equal and can deallocate memory allocated by any other instance of the same allocator type.
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      Especialização para void não tem os membros typedefs reference, const_reference, size_type e difference_type. Esta especialização não declara as funções de membro.
      Original:
      Specialization for void lacks the member typedefs reference, const_reference, size_type and difference_type. This specialization declares no member functions.
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      All custom allocators also must be stateless. (até C++11)
      Custom allocators may contain state. Each container or another allocator-aware object stores an instance of the supplied allocator and controls allocator replacement through std::allocator_traits. (desde C++11)

      Índice

      [editar]Tipos de membro

      Tipo
      Original:
      Type
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      		 Definition
      value_typeT
      pointerT*
      const_pointerconst T*
      referenceT&
      const_referenceconst T&
      size_typestd::size_t
      difference_typestd::ptrdiff_t
      rebindtemplate<class U >struct rebind {typedef allocator<U> other;};

      [editar]Funções de membro

      cria uma instância de alocador de novo
      Original:
      creates a new allocator instance
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      (função pública membro)[edit]
      destrói uma instância alocador
      Original:
      destructs an allocator instance
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      (função pública membro)[edit]
      obtém o endereço de um objeto, mesmo se operator& está sobrecarregado
      Original:
      obtains the address of an object, even if operator& is overloaded
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      (função pública membro)[edit]
      aloca inicializado armazenamento
      Original:
      allocates uninitialized storage
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      (função pública membro)[edit]
      desaloca armazenamento
      Original:
      deallocates storage
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      (função pública membro)[edit]
      retorna o tamanho maior alocação suportado
      Original:
      returns the largest supported allocation size
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      (função pública membro)[edit]
      constrói um objeto no armazenamento alocado
      Original:
      constructs an object in allocated storage
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      (função pública membro)[edit]
      destrói um objeto no armazenamento alocado
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      destructs an object in allocated storage
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      (função pública membro)[edit]

      [editar]Não-membros funções

      compara duas instâncias alocador
      Original:
      compares two allocator 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)
      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)
      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]
      Obtida de "https://pt.cppreference.com/mwiki/index.php?title=cpp/memory/allocator&oldid=21068"
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