il 27 Jul 2003 14:08:17 -0700, eric.anderson / sterlingpresence.com
(Eric Anderson) ha scritto::

>What namespace are the builtin objects? I want to create an object in
>other module that has the same name and uses the builtin object. For
>example, if I wanted to create a hash that operated in a "special"
>manor. I would create:
>
>module Special
>class Hash < Builtin::Hash
>end
>end
>
>But from what I can tell the builtin hash is not in a namespace. So
>how do I do this?

I think you can always refer to the root namespace with 
::Class
I mean:
irb(main):001:0> module Special
irb(main):002:1> class Hash < ::Hash
irb(main):003:2> end
irb(main):004:1> end
=> nil