http://www.perlmonks.org?node_id=493516


in reply to Re^2: Shortcut operator for $a->{'b'}=$b if $b;
in thread Shortcut operator for $a->{'b'}=$b if $b;

I thought the point was that $b was standing in for something very complex or impossible to repeat for calculation.

-- Randal L. Schwartz, Perl hacker
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