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Re^2: Subroutine question on use of uninitialized value.

by sauoq (Abbot)
on Jun 01, 2012 at 14:20 UTC ( [id://973778]=note: print w/replies, xml ) Need Help??


in reply to Re: Subroutine question on use of uninitialized value.
in thread Subroutine question on use of uninitialized value.

$ perl -we 'my $h={k=>undef}; print $h->{k} if exists $h->{k}'
Use of uninitialized value in print at -e line 1.

[download]

This is why defined() may be preferable.

-sauoq
"My two cents aren't worth a dime.";

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