Kay Schluehr <[EMAIL PROTECTED]> writes: > On 15 Jan., 02:13, Paul Rubin <http://[EMAIL PROTECTED]> wrote: > > George Sakkis <[EMAIL PROTECTED]> writes: > > > What's the best way to simulate dynamically scoped variables ala Lisp ? > > > > Ugh.... check the docs for the python 2.5 "with" statement, which > > gives you sort of a programmable unwind-protect (more powerful than > > try/except). You'd have an environment dictionary and use the "with" > > statement to maintain a stack of shallow-binding cells like in an > > old-time lisp system, automatically unwinding when the "with" suite > > finishes. The whole concept sounds hopelessly crufty--I think nobody > > even does it that way in Lisp any more, you're better off passing an > > environment around explicitly. If there were a lot of variables, this > > could be a good application for functional maps, which I've been wanting > > to implemetn for python.
Kay, did you have something to add? You quoted the above two posts and then your message stopped. -- http://mail.python.org/mailman/listinfo/python-list
