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2 points by pg 3909 days ago | link | parent

Oops, yes. That solution will work.

There's a corresponding bug in upcase, which I dealt with thus:

         sym    (if x (sym (map upc (coerce x 'string))) 'NIL)
Note that NIL isn't false.

1 point by akkartik 3908 days ago | link

I've been treating (upcase nil) as nil, since (coerce nil 'string) isn't "nil". Haven't had occasion to need this so far, though.