Peter Seibel <pe...@javamonkey.com> writes:But now we've progressed.
> > You don't withdraw numbers, you withdraw money!
> Yeah, yeah. You are, of course, correct. However I'm not *really*
> (defmethod withdraw ((account account) amount)
> (defmethod withdraw ((account account) (amount money))
There may be several kind of "money". Not only devises that are all of
You could have:
Then you would definitely want to do:
(defmethod withdraw ((account account) (amount money)) ...)
(But actually, as it has been noted, since there are several kind of
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