From: ts Date: 2002-06-04T20:10:57+09:00 Subject: Re: class inheritance tree >>>>> "M" == Matthias Veit writes: M> Integer.is_superclass?(Fixnum) Use the comparison operator pigeon% ruby -e 'p (Integer > Fixnum)' true pigeon% pigeon% ruby -e 'p (Enumerable > Array)' true pigeon% Guy Decoux