It's even possible to reduce the statement by two whole characters! — although I would argue that the code is de-clarified by doing so: 

c:\@Work\Perl\monks>perl -wMstrict -le
"sub mysub { print 'hiya'; }
 my $hr = { sub_ref => \&mysub };
 $hr->{sub_ref}();
"
hiya

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Give a man a fish:  <%-{-{-{-<

In reply to Re^2: call external sub ref from method in single line by AnomalousMonk
in thread call external sub ref from method in single line by previous

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