> After reading through this thread and noticing (but not paying close > attention to) all the related posts on c.l.py (subject: "in for dicts"), it > seems to me that the whole "if/for something in dict" thing needds to be > hashed out in a PEP. There were a fair amount of "Python's changing too > fast" rants when 2.0 was released. Adding a major feature such as this at > the 2.1 stage is only going to generate that many more rants. The fact that > it was easy for Thomas to implement "if key in dict" doesn't make the > overall concept less controversial. There are apparently lots of varying > opinions about what's reasonable. This topic seems related to PEP 212 (Loop > Counter Iteration) and PEP 218 (Adding a Built-In Set Object Type), but may > well warrant its own. Excellent. Good reminder also that this shouldn't go into 2.1 -- clearly the design space is too complicated for a quick decision. > That said, I have plenty enough on my plate trying to keep Mojam afloat > these days, so I can't step into the crevass, just observe that it looks to > me like a very long ways to the bottom... ;-) I'm not able to lead such a PEP effort myself either, but I hope *someone* will be. This PEP has a good chance for 2.2 though (what with BDFL approval and all :-). --Guido van Rossum (home page: http://www.python.org/~guido/)
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