From: "Hal E. Fulton" <hal9000@...>
Date: 2003-04-24T12:49:50+09:00
Subject: Re: Subject: Re: [ANN] Ruby.shop

----- Original Message ----- 
From: "Dave Thomas" <dave@pragprog.com>
To: "ruby-talk ML" <ruby-talk@ruby-lang.org>
Sent: Wednesday, April 23, 2003 10:31 PM
Subject: Re: Subject: Re: [ANN] Ruby.shop


> Hal E. Fulton wrote:
> 
> > What's your take on the circularity at the top? Chris says
> > that Object doesn't take anything from Class. I thought it
> > did. I'll have to think about that tomorrow.
> 
> dave[Work/rubybook 1:59:09] irb
> irb(main):001:0> Object.class
> => Class

Sure, the class of Object is Class... or
in other words, Object is an instance of
class Class... but that's not saying that 
Object inherits from Class.

In fact I suppose it's the opposite:

  irb(main):014:0> Class < Object
  true
  irb(main):015:0> Object < Class
  false

This always confuses me. I guess there is
a failure in the circularity once you go
all the way around... otherwise in a 
circular dependency with three items, you
could show X < Y for any X, Y.

Perhaps the bottom line is that my red
arrows are all backward?

Hal