On Mon, Oct 26, 2009 at 15:59, Steven D'Aprano <steve at pearwood.info> wrote: > On Tue, 27 Oct 2009 08:54:52 am Nick Coghlan wrote: > > Raymond Hettinger wrote: > > > [GvR] > > > > > >> I still wish we could go back in time and unify sets and dicts, if > > >> only to find out how that experiment would turn out. > > > > > > I'm curious about the outcome of another experiment along those > > > lines. Is anyone seeing uptake for the set methods on mapping views > > > in Py3.x? > > > > > > I haven't seen any code using it, nor any bug reports or > > > documentation requests, nor any code in the ASPN cookbook, nor > > > mention of it on the newsgroup or python-help. > > > > > > Has anyone here seen any hints about how this is faring in the > > > wild? > > > > If anyone is looking for further explanation as to why Guido's > > moratorium on core language changes is a good idea, allowing a chance > > for answers to questions like Raymond's above a chance to evolve > > naturally is what I see as the most important rationale. > > I don't understand that rationale. Let's take a concrete example. The > new `yield from` syntax was accepted but now will be delayed by the > moratorium. How would the addition of `yield from` delay or prevent > people using set methods on mapping views? > > It doesn't, but the point is we have already added several things to the language in Python 3 that have gone mostly unused from the community thus far. We do not need to continue to pile on the new features when we already have a stack that we need to see if they pan out. -Brett -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.python.org/pipermail/python-dev/attachments/20091026/6a9e281f/attachment-0001.htm>
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