From: itsme213 <itsme213@...>
Date: 2005-01-11T02:11:23+09:00
Subject: Re: Seeking info on keyword parameters


"Michael Neumann" <mneumann@ntecs.de> wrote
> >>Why not use blocks that change what the current namespace is?
> >>
> >>   namespace(:myns) {
> >>     x.send :move otherargs
> >>     ...
> >>   }
> >>
> >>That should be thread-local of course. Everything inside the block is
> >>executed in the :myns namespace.
> >
> >
> > This looks nice, but how would #send determine the current namespace?
Would
> > it need some form of dynamic binding of a thread-local variable
> > current_namespace done in #namespace and corresponding dynamic lookup in
> > #send? And what about x.move?
>
> It's not just #send. Any method call would need that information. Yes,
> something like a thread-local would probably work. Maybe, the current
> namespace should be stored in a special location on the stack... not
> sure about that.

I think dynamic binding of namespaces could lead to very bizarre behaviors,
as you would on-the-fly replace entire sets of method invocations.
Intriguing, but perhaps very dangerous?