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| No such thing as a small change | |
| PerlMonks |
Re: Understanding the Schwartzian transform.by Loops (Curate) |
| on Jul 22, 2013 at 06:42 UTC ( [id://1045600]=note: print w/replies, xml ) | Need Help?? |
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The main thing to grok is that the first map creates an anonymous array reference with the first element containing the data and the second element containing the sort key. After sorting by the second element, the final map ignores the sort key and just returns the data element from the array. choroba is too fast for me...
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Seekers of Perl Wisdom
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