From: Jim Weirich <jim@...>
Date: 2005-04-20T00:01:15+09:00
Subject: Re: [EVALUATION] - E03c - The Ruby Object Model (Revised        Documentation)


David A. Black said:
>> Accessing Object's metaclass:
>>
>>>> meta_class_of_Object = class << Object; self; end
>> => #<Class:Object>
>>>> meta_class_of_Object.class
>> => Class
>>
>> So, the metaclass of Object /does/ inherit from class.
>
> Doesn't that tell you that it is an instance of Class, rather than
> that it inherits from Class?  As opposed to:
>
>    irb(main):001:0> c = (class << Object; self; end)
>    => #<Class:Object>
>    irb(main):002:0> c.superclass
>    => Class

I stand corrected.  David's code demonstrates that the metaclass does
inherit from Class.  Mine demonstrated that it was an instance of Class.

-- 
-- 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)