David A. Black schrieb:
> This was one of the first things I worked on when I got interested in
> Ruby, and the result was the almost-proof-of-concept project Ruby
> Behaviors, which offered a mechanism for block-scoped changes to the
> core language.  It wasn't thread-safe, though.  There are some other
> similar packages that do similar things, one of which I believe is
> thread-safe.  And Matz has been talking about some kind of namespace
> facility in Ruby 2.0 to allow for this kind of thing too.

Hallo David,

is your Behaviors package available somewhere? (The link in RAA isn't valid 
anymore.) Do you have a little bit more information about the other packages you 
were talking about?

Thanks in advance,
Pit