From: Clifford Heath <no@...>
Date: 2008-02-13T07:04:56+09:00
Subject: Re: Subclassing Integer; solved!

Rick DeNatale wrote:
> The point is that Year.new isn't returning a Year which looks like a
> Fixnum, it IS returning a Fixnum.

No, that's not true, it's returning an Integer::BoxedInteger.
Year.new(2008).class is being forwarded by the method_missing,
simply fixed. However...

> Well this doesn't do it. Using the above code but adding a method to Year.
...
> Year.new(2008).foo # =>
> # ~> -:18:in `send': undefined method `foo' for 2008:Fixnum (NoMethodError)
> # ~> 	from -:18:in `method_missing'
> # ~> 	from -:35

Hmmm, that is a bigger problem :-). Probably showstopper in fact,
unless I make it into a really *big* ugly hack.

It'd be nice if it was possible, but it seems it would have to be
done inside Ruby.