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> The Schwartzarian transform was a beautiful thing to behold.

Meh, more like a clutch for systems where you couldn't install List::UtilsBy. (One of my favorite Perl modules of all time.)

There's 17 years between the introduction of the Schwartzian Transform (1994) and List::UtilsBy (2011 according to CPAN).

Huh. I guess it's one of those cases where once you have a thing, you wonder how you could have gone 20 years without it. :) Although, to be fair, I only started working with Perl (beyond one-liners on the shell) in 2012.

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