From: Robert Dober <robert.dober@...>
Date: 2007-06-17T00:43:06+09:00
Subject: Re: Error in ancestor?

On 6/16/07, John Joyce <dangerwillrobinsondanger@gmail.com> wrote:
>
> On Jun 16, 2007, at 8:56 AM, Robert Dober wrote:
>
> > Hi list
> >
> > I just observed this (and it cost me quite some effort to debug my
> > code :( )
> >
> > 515/15 > ruby -ve 'class << Class::new; puts self; puts
> > ancestors.inspect end'
> > ruby 1.8.5 (2006-12-04 patchlevel 2) [i686-linux]
> > #<Class:#<Class:0xb7dfae50>>
> > [Class, Module, Object, Kernel]
> >
> >
> > this seems to be in contradiction with
> > http://www.ruby-doc.org/core/classes/Module.html#M001700
> > stating
> > ----------------------------------------------------------------------
> > -------
> >  mod.ancestors → array
> >
> > Returns a list of modules included in mod (including mod itself).
> >
> > =============
> >
> >   module Mod
> >     include Math
> >     include Comparable
> >   end
> >
> >   Mod.ancestors    #=> [Mod, Comparable, Math]
> >   Math.ancestors   #=> [Math]
> > ----------------------------------------------------------------------
> > -----
> >
> > Is this an error in doc or in behavior?
> >
> > Cheers
> > Robert
> >
> >
> > --
> > You see things; and you say Why?
> > But I dream things that never were; and I say Why not?
> > -- George Bernard Shaw
> >
> What error?
This error
 ruby -ve 'class << Class::new; puts ancestors.include?( self ) end'
ruby 1.8.5 (2006-12-04 patchlevel 2) [i686-linux]
false
Robert