An extension of `partial` itself would indeed be a clean solution (+ backwards compatibility), my concern was just that when most people are still using it in the "traditional" way (for example partializing via keyword), that the additional checks for `SKIP` introduce an unnecessary overhead for those cases. However by checking if `args` contain any placeholder in `__new__` and storing that information in a separate variable it should be possible to keep it to a minimum.
Regarding third-party implementations one aspect to consider is compatibility with `partial` itself, i.e. what should happen when further `partial`'izing a previously defined placeholder function (it would need to be a placeholder function again, otherwise the `Ellipsis` or `SKIP` doesn't make much sense). _______________________________________________ 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/VNMZY5XBVR6UTOP7VMIF4XTRMNZPWPSH/ Code of Conduct: http://python.org/psf/codeofconduct/
