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Re^2: Perl Variables Being Retained

by sundialsvc4 (Abbot)
on Aug 02, 2013 at 12:25 UTC ( #1047585=note: print w/replies, xml ) Need Help??

in reply to Re: Perl Variables Being Retained
in thread Perl Variables Being Retained

Specifically in terms of “Perl not cleaning up the memory,” also note the weaken in Scalar::Util.   If you have data structures referring to one-another such that a circular reference is formed, memory does not clean up but rather “leaks.”   You avoid this by weakening one of the links in the chain.   Test::Memory::Cycle is another tool that is designed specifically to look for these circular reference-chains.

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