Thank you all for your amazingly fast responses. :)
As it turned out, the following modified code worked correctly (the overhead is going out the window in a second):
#print ref($hashref), "|";
push @out, $hashref;
print keys %{$hashref};
#print ref($out[-1]), "ass|$out[$#out]|";

[download]
Which makes sense, I suppose, though it worked for Zaxo and Broquaint, as well as my other test script. Odd..

In reply to Re: Pushed references getting stringified somehow? by charnos
in thread Pushed references getting stringified somehow? by charnos

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