Re: exists $foo[7] and delete $foo[7]

[Tom Christiansen <tchrist@chthon.perl.com>]

>> 
>Nothing. There's nothing there, not even an undef() or an empty string.
>That's why the array gets shorter if you delete its last value.

You have to put *something* there!  There's a slot.  If there's not
something there, then the slot is gone.  The picture abhors a vacuum.
Is it undef?  Is it ""? Is it 0?  Is it false?  It it XXXXX?  
Is it Jehosaphat? :-)

--tom

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Follow-Ups from:

Larry Wall <larry@wall.org>
Nick Ing-Simmons <nick@ing-simmons.net>

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