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David Jeske <> wrote:
> That would also work well. :)
> > None = {}

Some of the nice things about using a global None table 
(with a boolean tag method) are:

- you can have it behave as an object.  For example, if
  you might want None to raise an error when you send it
  a message(like Python), or you might want it to ignore 
  any messages sent to it(like Objective-C).

- it works for table values that are booleans as well as a place
  holder for slots meant to hold objects.

- you can use a boolean tag to treat other object as booleans,
  For instance, you could have global False and True objects, like