From: Jim Weirich <jim@...>
Date: 2005-04-19T13:37:30+09:00
Subject: Re: - E03c - The Ruby Object Model (Revised Documentation)

On Monday 18 April 2005 11:34 pm, Ilias Lazaridis wrote:
> > There is another evident mistake in your UML diagram. Object doesn't
> > inherit from nil, nil is a literal and an instance of NilClass which
> > inherit from Object.
>
> you are wrong:
>
> irb(main):001:0> Object.superclass
> => nil

The documentation for superclass clearly states that it returns the superclass 
of its target, or nil.

In this case it returns nil because Object does not have a superclass, i.e. it 
does not inherit from anything.

-- 
-- Jim Weirich    jim@weirichhouse.org     http://onestepback.org
-----------------------------------------------------------------
"Beware of bugs in the above code; I have only proved it correct, 
not tried it." -- Donald Knuth (in a memo to Peter van Emde Boas)