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From: Frank Mori Hess (frank.hess_at_[hidden])
Date: 2008-06-25 16:41:54


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On Wednesday 25 June 2008 16:25 pm, gast128 wrote:
> posts where about the need for calling the parent during destruction. Well
> there is one major case: if a parent is the observer of its child, the
> destructor of the child is the ideal candidate for unregistering. But in
> above case it leads to crashes. Although in this case the parent gets
> destroyed (in which the unregistering at the parent may be superfluous)
> there may be other observers for the child.

Signals/slots libraries (e.g. boost.signals) typically support automatic
disconnection when either the observer or observed are destroyed.
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