From: TRANS <transfire@...>
Date: 2005-10-05T23:58:58+09:00
Subject: Re: On NullClass or FalseClass#method_missing

On 10/5/05, nobu.nokada@softhome.net <nobu.nokada@softhome.net> wrote:
> Hi,
>
> At Wed, 5 Oct 2005 21:48:35 +0900,
> TRANS wrote in [ruby-core:06161]:
> > As you can see I wanted to subclass NilClass, but this proved
> > impossible, b/c there is no way to instantiate the class. Becasue of
> > this one can't do
>
> As far as I thik, NilClass is not important in Ruby, but rather
> trivial instead.  It's just a singleton class for nil, although
> it has a name occasionally.
>
> >   unless o.x.y  #null
> >
> > because null is considered true. So that's problematic to George too.
> >
> > So I'm wondering if Ruby might want to take this into account for the
> > future, either by adding NullClass, or allowing for subclasses of
> > NilClass.
>
> Perhaps, what you want would be context sensitive nil object.

Yes, but isn't that a much more complex solution? Besides it can't but
done in Ruby now can it?

> > \ o)  カラチ
>
> BTW, what does this mean?

The city in Pakistan. Do you know of it?

T.