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std::weak_ptr::use_count

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std::weak_ptr
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weak_ptr::use_count
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long use_count() const;
 (desde C++11)
Retorna o número de instâncias shared_ptr que a posse de partes do objeto gerenciado, ou ​0​ se o objeto gerenciado já foi eliminado, ou seja, *this está vazia.
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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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Índice

[editar] Parâmetros

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

O número de instâncias shored_ptr compartilhar a propriedade do objeto gerenciado.
Original:
The number of shored_ptr instances sharing the ownership of the managed object.
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[editar] Exceções

noexcept specification:  
noexcept
  (desde C++11)

[editar] Notas

expired() pode ser mais rápida do que use_count().
Original:
expired() may be faster than use_count().
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[editar] Exemplo

Esta seção está incompleta
Motivo: sem exemplo

[editar] Veja também
Verifica se o objeto referenciado já foi excluído
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checks whether the referenced object was already deleted
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(função pública membro) [edit]
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