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std::static_pointer_cast, std::dynamic_pointer_cast, std::const_pointer_cast

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< cpp‎ | memory‎ | shared ptr

 
 
Utilidades de la biblioteca
Escriba apoyo (basic types, RTTI, type traits)
Gestión de memoria dinámica
Gestión de errores
Programa de servicios públicos
Funciones variadic
Fecha y hora
Objetos Function
(C++11)
Operadores relacionales
Original:
Relational operators
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Pares y tuplas
Original:
Pairs and tuples
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(C++11)
Cambiar, hacia adelante y mover
Original:
Swap, forward and move
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(C++11)
(C++11)
(C++11)
 
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
Original:
Miscellaneous
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(C++11)
(C++11)
C Library
Original:
C Library
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std::shared_ptr
Las funciones miembro
Original:
Member functions
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Modificadores
Original:
Modifiers
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Los observadores
Original:
Observers
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Terceros funciones
Original:
Non-member functions
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static_pointer_castdynamic_pointer_castconst_pointer_cast
 
template< class T, class U >
shared_ptr<T> static_pointer_cast( const shared_ptr<U>& r );
(1) (desde C++11)
template< class T, class U >
shared_ptr<T> dynamic_pointer_cast( const shared_ptr<U>& r );
(2) (desde C++11)
template< class T, class U >
shared_ptr<T> const_pointer_cast( const shared_ptr<U>& r );
(3) (desde C++11)
Volveremos una nueva instancia de std::shared_ptr con un tipo de objeto fundido gestionado desde el r tipo de objeto administrado. Ambos punteros inteligentes compartirán la titularidad del objeto administrado .
Original:
Will return a new instance of std::shared_ptr with a casted managed object type from the r's managed object type. Both smart pointers will share the ownership of the managed object.
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El objeto administrado std::shared_ptr resultante se obtendrá llamando al (en orden respectivo):
Original:
The resulting std::shared_ptr's managed object will be obtained by calling (in respective order):
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1) static_cast<T*>(r.get()).
2)
dynamic_cast<T*>(r.get()) (Si el resultado de la dynamic_cast es 0, el shared_ptr devuelto será vacío) .
Original:
dynamic_cast<T*>(r.get()) (If the result of the dynamic_cast is 0, the returned shared_ptr will be empty).
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3) const_cast<T*>(r.get()).
En cualquier caso, si el parámetro es un r std::shared_ptr vacía, el resultado será un nuevo std::shared_ptr vacío .
Original:
In any case, if the parameter r is an empty std::shared_ptr the result will be a new empty std::shared_ptr.
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[editar] Parámetros

r -
El puntero va a convertir
Original:
The pointer to convert
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[editar] Excepciones

noexcept specification:  
noexcept
  (desde C++11)