Optional parameters referring to previous parameters?
wfunction at hotmail.com
Thu May 10 05:53:10 PDT 2012
On Thursday, 10 May 2012 at 11:54:42 UTC, Steven Schveighoffer
> I *love* this idea.
> Although, what happens if the expression for items is costly?
> We have to make sure if you do:
> it doesn't turn into:
It should be evaluated once anyway, since it might have side
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