On Sat, Jun 27, 2020 at 06:09:02PM +1200, Greg Ewing wrote: > On 27/06/20 4:25 pm, Steven D'Aprano wrote: > >Seriously, I genuinely thought that the existing behaviour was the > >opposite and that `add` unconditionally added the element. "Last seen > >wins". > > The fact that you haven't noticed until now suggests that > you've never written any code that depends on the difference.
No, because I've tried avoid code that would behave differently in those cases. I did find one thing... I was removing an unorded sequence by dropping the elements into a set then converting back to a list, and documented it as "last seen wins" in the case of duplicates. -- Steven _______________________________________________ Python-ideas mailing list -- python-ideas@python.org To unsubscribe send an email to python-ideas-le...@python.org https://mail.python.org/mailman3/lists/python-ideas.python.org/ Message archived at https://mail.python.org/archives/list/python-ideas@python.org/message/VQXYMGYVAGBX3F26OXSXFQTRD2EVBRE2/ Code of Conduct: http://python.org/psf/codeofconduct/
