I've seen this discussion at least once before, but couldn't remember
the details, so I searched the archives and came up with:
http://groups.yahoo.com/group/squeak/message/40541

Joshua


On Thu, Jun 20, 2002 at 12:47:28PM +0200, Andreas Raab wrote:
> > How hard would it be to change the current 
> > VM-Implementation(s?) to make callback-services possible?
> > Impossible? If Ruby can, why can't we?
> 
> On a complexity scale from 1 to 10 I would rate the above at 9.5. Not
> impossible, but very hard.
> 
> Cheers,
>   - Andreas
>