[Python-ideas] Fwd: Concurrent safety?

[Stephen J. Turnbull]

Nick Coghlan writes:

 > This discussion is actually starting to sound a bit like the Python
 > security model discussions to me - ensuring that only certain kinds of
 > objects are reachable from a given point in the code, and controlling
 > the operations that can be performed on them.

That's where I'm going, yes.  I don't think that's what Mike has in
mind, though, and I'd like to understand why he thinks it's insufficient.