in reply to Questions about curious idiom seen in package
... does this leading "undef" really do anything?
It does nothing. It is a compulsive programming tick akin to
my $scalar = undef;
my @array = ();
my %hash = ();
In the latter two cases, I can barely see some occasional justification for the practice because it may relieve the onerous burden of having to write a comment like
my @ra; # this array will remain empty until something is put into it
Otherwise...
Give a man a fish: <%-{-{-{-<
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Re^2: Questions about curious idiom seen in package
by karlgoethebier (Abbot) on Feb 18, 2019 at 15:35 UTC |
In Section
Seekers of Perl Wisdom