I think lilu wrote:
Hello.
How can I check that Java object is not null in Jess?
Sencerely, Ilona Karpova
The Jess equivalent of Java null is the symbol nil. So you can check
if a variable ?x is not null with
(if (neq ?x nil) then ...
-
Ernest Friedman-Hill
Advanced Software Research Phone: (925) 294-2154
Sandia National LabsFAX: (925) 294-2234
PO Box 969, MS 9012 [EMAIL PROTECTED]
Livermore, CA 94550 http://herzberg.ca.sandia.gov
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