Chris Angelico wrote:
On Thu, May 12, 2011 at 7:02 AM, Ian <hobso...@gmail.com> wrote:
In the "real world" lists of zero items do not exist.
You don't go shopping with a shopping list of zero items.
Actually, yes you do. You maintain your shopping list between trips;
whenever you need something, you put it on the list immediately. Then
when you go shopping, you just take the list with you (if you're
lucky, you don't need to move or copy it at all, you just get another
reference to it). Once you're done, you empty the list - you now have
a shopping list with zero items (until you get home and realize you
forgot something).
Um -- you contradicted Ian, then contradicted yourself -- according to
your scenario your shopping list is *not* empty when you go to the store
(otherwise known as "going shopping" ;).
~Ethan~
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