http://www.perlmonks.org?node_id=578582


in reply to Re: Schwartzian Transform vs. Building Hash of Function Results, Then Sorting on Function Results
in thread Schwartzian Transform

Thanks! I hadn't considered the left over variable. I'd want to add this line before my sorted-hash code snippet: 
my %result_for;

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(That doesn't eliminate any drawbacks to having a left over variable as compared to the ST, but it would be safer coding I think.)

In Section Cool Uses for Perl