[Python-Dev] metaclass insanity

Kevin Jacobs jacobs@penguin.theopalgroup.com
Tue, 5 Nov 2002 11:34:36 -0500 (EST)

On Tue, 5 Nov 2002, Guido van Rossum wrote:
> > > Nah, it's just a resumable function...
> > 
> > Which is a closure, aka lexically scoped namespace.  It is not, however, a
> > continuation.
> I don't think it makes much sense to call all Python functions
> closures.

I was taught that a closure is a first class function or object that holds
references to its own lexically defined namespace(s).  So as I understand
it, they _are_ closures, though limited to only two levels of lexical scope
(or three if you count the builtin scope).


Kevin Jacobs
The OPAL Group - Enterprise Systems Architect
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