He didn't. In fact, no one at the conference did :-( But I was able to submit some patches to a Perl project during a boring presentation.

map{substr$_->[0],$_->[1]||0,1}[\*||{},3],[[]],[ref qr-1,-,-1],[{}],[sub{}^*ARGV,3]

In reply to Re^5: A comparison of Perl vs. JavaScript -- a reference table. by choroba
in thread A comparison of Perl vs. JavaScript -- a reference table. by taint

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