From: Xavier Noria <fxn@...>
Date: 2007-11-08T20:54:41+09:00
Subject: Re: Metaclasses

On Nov 8, 2007, at 12:42 PM, Rick DeNatale wrote:

> On 11/8/07, David A. Black <dblack@rubypal.com> wrote:
>
>> It actually depends which version of Ruby you use. The superclass
>> thing worked as expected in 1.8.2; then it stopped working (I'm not
>> sure why); and in 1.9 it's working again. ("Not working" doesn't mean
>> that the subclasses couldn't call the methods defined in their
>> superclasses' singleton classes, just that the superclass thing  
>> itself
>> was not in place.)
>
> interesting, I didn't realize that this had changed in 1.9.
>
> Actually, it's not that anything isn't in place in 1.8, it's that the
> implementation of Class#superclass skips classes in the superclass
> chain, the same way that Object#class skips an instance singleton
> class if there is one,

Singleton classes are created on-demand behind the scenes?

-- fxn