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

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This is why defined() may be preferable.

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

In reply to Re^2: Subroutine question on use of uninitialized value. by sauoq
in thread Subroutine question on use of uninitialized value. by Anonymous Monk

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