On Jul 3, 2008, at 1:29 PM, Henrique Lopes Cardoso wrote:
Now, I understand the error. But maybe Jess should be nicer by
noticing
that if the comparison cannot be made, then it should simply not fire
the rule (quietly).
In general, you can just use a more appropriate default for the slot.
Here, you could use
(deftemplate b (slot s (default 0)))
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Ernest Friedman-Hill
Informatics & Decision Sciences, Sandia National Laboratories
PO Box 969, MS 9012, Livermore, CA 94550
http://www.jessrules.com
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