[pypy-dev] Annotating space status

[Guido van Rossum]

> if we care about this, it seems that state cloning should be done on the 
> state as a whole caring for identity like pickling or deepcopy do.

Maybe cloning should be done using deepcopy(), defining
__deepcopy__(self, memo) in places that need a little help to avoid
copying too much (e.g. references to the execution context clearly
shouldn't be copied).

--Guido van Rossum (home page: http://www.python.org/~guido/)