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  1. (defclass A () ())
  2.  
  3. (defclass B (A) ())
  4.  
  5. (defmethod gf1 ((o A))
  6.   o)
  7.  
  8. (defmethod gf3 ((o A))
  9.   o)
  10.  
  11. (defmethod gf2 ((o B))
  12.   o)
  13.  
  14. (print (gf2 (gf3 (gf1 (make-instance 'B)))))
  15.  
Success #stdin #stdout 0.03s 10712KB
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Standard input is empty
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#<B #x2135FB66>
https://ideone.com/U4oBpY
language:
Common Lisp (clisp 2.49.92)
created:
11 years ago
visibility:
public

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