Espaços nominais
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Acções

std::pointer_traits::pointer_to

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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
Original:
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
Original:
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
Original:
Miscellaneous
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pointer_traits(C++11)
addressof(C++11)
align(C++11)
C Library
Original:
C Library
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std::pointer_traits
Funções de membro
Original:
Member functions
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pointer_traits::pointer_to
 
Defined in header <memory>
static pointer pointer_traits<Ptr>::pointer_to(element_type& r );
(a partir do C++ 11)
static pointer pointer_traits<T*>::pointer_to(element_type& r);
(a partir do C++ 11)
Constrói um ponteiro dereferenceable ao seu argumento.
Original:
Constructs a dereferenceable pointer to its argument.
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1)
A versão desta função no modelo std::pointer_traits não especializado simplesmente chama Ptr::pointer_to(r), e se Ptr não fornece uma função de membro estático pointer_to instanciação, desta função é um erro de tempo de compilação.
Original:
The version of this function in the non-specialized std::pointer_traits template simply calls Ptr::pointer_to(r), and if Ptr does not provide a static member function pointer_to, instantiation of this function is a compile-time error.
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2)
A versão desta função na especialização de std::pointer_traits para tipos de ponteiro retorna std::addressof(r)
Original:
The version of this function in the specialization of std::pointer_traits for pointer types returns std::addressof(r)
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Índice

[editar] Parâmetros

r -
referência a um objecto de tipo element_type&, excepto se for ELEMENT_TYPE void, caso em que o tipo de r não é especificado
Original:
reference to an object of type element_type&, except if element_type is void, in which case the type of r is unspecified
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[editar] Valor de retorno

Um ponteiro dereferenceable para r, do pointer_traits tipo <> :: ponteiro.
Original:
A dereferenceable pointer to r, of the type pointer_traits<>::pointer.
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[editar] Exceções

1)
Não especificado (tipicamente igual Ptr::pointer_to)
Original:
Unspecified (typically same as Ptr::pointer_to)
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2)
noexcept specification:  
noexcept
  (a partir do C++ 11)

[editar] Notas

O boost library version desta função retorna pointer(std::addressof(r)) se Ptr :: pointer_to não existe.
Original:
The boost library version of this function returns pointer(std::addressof(r)) if Ptr::pointer_to does not exist.
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[editar] Veja também

(C++11)
obtém o endereço real de um objeto, mesmo se o operador &' está sobrecarregado
Original:
obtains actual address of an object, even if the & operator is overloaded
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(modelo de função) [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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(of std::allocator função pública membro) [edit]