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std::pointer_traits::pointer_to

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Gestión de memoria dinámica
Bajo la gestión de memoria de nivel
Los asignadores
Original:
Allocators
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Inicializar el almacenamiento
Original:
Uninitialized storage
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Punteros inteligentes
Original:
Smart pointers
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(C++11)
(C++11)
(C++11)
(obsoleto)
(C++11)
Garbage soporte colección
Original:
Garbage collection support
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Varios
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Miscellaneous
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(C++11)
(C++11)
C Library
Original:
C Library
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std::pointer_traits
Las funciones miembro
Original:
Member functions
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pointer_traits::pointer_to
 
Definido en el archivo de encabezado <memory>
static pointer pointer_traits<Ptr>::pointer_to(element_type& r );
(desde C++11)
static pointer pointer_traits<T*>::pointer_to(element_type& r);
(desde C++11)
Construye un puntero dereferenceable a su argumento .
Original:
Constructs a dereferenceable pointer to its argument.
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1)
La versión de esta función en la plantilla std::pointer_traits no especializado simplemente llama Ptr::pointer_to(r), y si Ptr no proporciona una función miembro estática pointer_to, la instanciación de esta función es un error de tiempo de compilación .
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)
La versión de esta función en la especialización de std::pointer_traits para los tipos de puntero vuelve 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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Contenido

[editar] Parámetros

r -
referencia a un objeto de tipo element_type&, excepto si es ELEMENT_TYPE void, en cuyo caso el tipo de r no está especificada
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

Un puntero a dereferenceable r, del tipo pointer_traits <> :: puntero .
Original:
A dereferenceable pointer to r, of the type pointer_traits<>::pointer.
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[editar] Excepciones

1)
No especificado (normalmente igual Ptr::pointer_to)
Original:
Unspecified (typically same as Ptr::pointer_to)
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2)
Especificación noexcept:  
noexcept
  (desde C++11)

[editar] Notas

El boost library version de esta función devuelve pointer(std::addressof(r)) si Ptr :: pointer_to no 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] Ver también

(C++11)
Obtiene la dirección real de un objeto, incluso si el operador &' está sobrecargado
Original:
obtains actual address of an object, even if the & operator is overloaded
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(plantilla de función) [editar]
obtiene la dirección de un objeto, incluso si operator& está sobrecargado
Original:
obtains the address of an object, even if operator& is overloaded
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(función miembro público de std::allocator) [editar]