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Date:Mon Dec 15 06:56:51 2002 
Subject:newbie: help with ARITY error 
From:Paul Humphreys 
Volume-ID:1021215.02 

Keep getting this error...

;;; MISHAP - ocmpa: ARITY OF METHOD PARTS DO NOT AGREE
;;; INVOLVING:  <procedure north>
;;; FILE     :  /home/paul/oo.p   LINE NUMBER:  59
;;; DOING    :  Check_arity update_method method_form define_method
define
;;;     runproc

Receive the error message whenever i change the parameters of a
method, which i would like to do a lot at the moment as I'm trying to
learn about objects etc.

Can not find anything about this in the teach files, seems as if the
method signature  is getting cashed somewhere. The only workaround i
have is to change the method name whenever i want to change the
parameters.

Is there an easier workaround, some setting I've not enabled or am
being dumb and forgot something fundamental?

cheers

Paul