On Fri, 2004-02-06 at 18:08, Wade Bowmer wrote:
> That brings up the issue of when a default expression (as opposed to a mere
> constant) is evaluated: is it when the procedure is declared? First call?
> Or every call? Each has their merits and problems.
Has to be every call where the actual argument is &null.
Consider:
Procedure f(x:=list(5))
you *have* to create a new list each time the call is f() - to not
do so would be asking for trouble.
--
Steve Wampler <[EMAIL PROTECTED]>
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