Rather than changing Protocols and affecting lots of users, it seems like was you really want is a generic class that is the "and" to Union's "or"? e.g.
def foo(thing: All[Thread, SupportsStop]): ... which seems reasonable. If that appeals to you, then you probably want to raise that on the typing thread? _______________________________________________ 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/JV3OYN5LXNMHBOT5RGEFHXSQYFKNB2EB/ Code of Conduct: http://python.org/psf/codeofconduct/