On Tue, 5 Nov 2002, Guido van Rossum wrote: > > > 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). > > You're behind the times. Python 2.2 (and 2.1 if you did "from > __future__ import namesepaces") allows references to outer functions > as well. I thought there were still a limited number of levels of true lexical scope, but it seems that I'm wrong. Cool! -Kevin -- Kevin Jacobs The OPAL Group - Enterprise Systems Architect Voice: (216) 986-0710 x 19 E-mail: jacobs@theopalgroup.com Fax: (216) 986-0714 WWW: http://www.theopalgroup.com
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