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threads::shared uses a mechanism similar to tying, so if you do $x = $h{$_}, then $x isn't a reference to a hash, its a reference to an 'LV' scalar variable, who's action on being accessed is to call the appropriate method that gets or stores a value in the real shared hash (with suitable locking). These LV scalars are temporaries created on demand and freed when no longer used, so you are likely to see address re-use.

Dave.


In reply to Re: mysterious threads::shared behaviour by dave_the_m
in thread mysterious threads::shared behaviour by ericatkin

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