From: Bertram Scharpf <lists@...>
Date: 2005-03-25T19:49:27+09:00
Subject: Re: Understanding instance variables

Hi,

Am Freitag, 25. M�r 2005, 09:30:01 +0900 schrieb David A. Black:
> On Fri, 25 Mar 2005, Bertram Scharpf wrote:
> >
> >   c's Singleton  <  C  <  Object
> >
> >can have their own instance variables.
> >
> >>>c=class C ; self ; end.new
> >>>s=class << C ; self ; end
> 
> Did you mean class << c ? (You had mentioned c's singleton class.)
> But either way...

Eh, what's the difference?

> >>>[c,s,C,Object].zip( %w-I S C O-).each { |x,y| x.instance_eval '@x='+y.inspect }
> >>>[c,s,C,Object].collect { |x| x.instance_eval '@x' }
> >=> ["I", "S", "C", "O"]
> >
> >Or is there something I missed?
> 
> ... that's correct: any object can have its own instance variables.

Ah, thanks!

Bertram


-- 
Bertram Scharpf
Stuttgart, Deutschland/Germany
http://www.bertram-scharpf.de