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can checks to see if its object has a method called METHOD. If it
then a reference to the sub is returned; if it does not then undef
my $self = shift;
my($path, $val, $start) = @_;
Once (shame on you!)
Twice (shame on me!)
More often than I'd like to be
All the time
Just when answering stupid polls
Who you callin' a fool?
I refuse to vote in this ridiculous poll
Results (508 votes). Check out past polls.