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Message from discussion making virtual functions in CL
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joachim  
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 More options Jan 13 1999, 3:00 am
Newsgroups: comp.lang.lisp
From: joac...@kraut.bc.ca
Date: 1999/01/13
Subject: Re: making virtual functions in CL
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David Bakhash <ca...@mit.edu> writes:

> I'm trying to figure out how to make a virtual function.
> i.e. suppose I have a CLOS class called `entry':

> (defclass entry () ())

> and I just want to insure that each entry has a method called `id'
> so that for all subclasses of entry I can do:

> (id my-entry)

(defmethod id ((self entry))
   'entry-id)

(defmethod id ((self my-entry))
   'my-entry-id)

Joachim

--
joac...@kraut.bc.ca      (http://www.kraut.bc.ca)
joac...@mercury.bc.ca    (http://www.mercury.bc.ca)


 
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