> I vote for not requiring the outer parentheses unless there is an > adjacent comma. That would unnecessarily complicate the simple, > elegant proposal. > > Otherwise, I would anticipate frequent questions to the help list > or tutor list on why something coded like your example doesn't work. > > Also, the double paren form just looks funny, like there is something > wrong with it but you can't tell what. OK. I think I can pull it off in the Grammar. > Timing > ------ > > Based on the extensive comp.lang.python discussions when I first > floated a PEP on the subject, I conclude that the user community > will very much accept the new form and that there is no reason > to not include it in Py2.4. > > If there is any doubt on that score, I would be happy to update > the PEP to match the current proposal for iterator expressions > and solicit more community feedback. Wonderful! Rename PEP 289 to "generator expressions" and change the contents to match this proposal. Thanks for being the fall guy! --Guido van Rossum (home page: http://www.python.org/~guido/)
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