If sets were ordered, then what ought pop() return - first, last, or nevertheless an arbitrary element? I lean toward arbitrary because in existing code, set.pop often implies that which particular element is immaterial.
On Wed, Feb 27, 2019 at 2:18 PM Barry Warsaw <ba...@python.org> wrote: > On Feb 27, 2019, at 13:54, Chris Barker via Python-Dev < > python-dev@python.org> wrote: > > > > A mapping and a set type really don't have much to do with each other > other than implementation -- anyone that isn't familiar with python C code, > or hash tables in general, wouldn't likely have any expectation of them > having anything to do with each other. > > I’m just relaying a data point. Some Python folks I’ve worked with do > make the connection between dicts and sets, and have questions about the > ordering guarantees of then (and how they relate). > > -Barry > > _______________________________________________ > Python-Dev mailing list > Python-Dev@python.org > https://mail.python.org/mailman/listinfo/python-dev > Unsubscribe: > https://mail.python.org/mailman/options/python-dev/tahafut%40gmail.com >
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