[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
--
Kevin Jacobs
The OPAL Group - Enterprise Systems Architect
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