But whenever you NEED circular references, be sure to use
use Scalar::Util qw(weaken);
and:
weaken( $self->{parent} = $parent );
so there is no reference count, and as soon the parent object is destroyed, the child is cleaned up by the garbage collector.

In reply to Re: Is there a penalty for namespace use? by jbrugger
in thread Is there a penalty for namespace use? by zentara

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