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std::weak_ptr::use_count

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< cpp‎ | memory‎ | weak ptr
 
 
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std::weak_ptr
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weak_ptr::use_count
Terceros funciones
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Non-member functions
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long use_count() const;
(desde C++11)
Devuelve el número de casos shared_ptr que comparten la propiedad de objeto gestionado, o 0 si el objeto administrado ya se ha eliminado, es decir *this está vacío .
Original:
Returns the number of shared_ptr instances that share ownership of the managed object, or 0 if the managed object has already been deleted, i.e. *this is empty.
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Contenido

[editar] Parámetros

(Ninguno)
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(none)
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[editar] Valor de retorno

El número de casos shored_ptr compartir la propiedad del objeto administrado .
Original:
The number of shored_ptr instances sharing the ownership of the managed object.
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[editar] Excepciones

noexcept specification:  
noexcept
  (desde C++11)

[editar] Notas

expired() puede ser más rápido que use_count() .
Original:
expired() may be faster than use_count().
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[editar] Ejemplo

[editar] Ver también

Comprueba si el objeto de referencia ya ha sido eliminado
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checks whether the referenced object was already deleted
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(función miembro público) [editar]