On Mon, Nov 8, 2021 at 10:29 PM Ethan Furman <[email protected]> wrote:
> > The way I see it, the following should hold > > empty_flag = RegexFlag(0) > any_case = RegexFlag.IGNORECASE > any_case_on_any_line = RegexFlag.IGNORECASE | RegexFlag.MULTILINE > > any_case in empty_flag is False > any_case_on_any_line in empty_flag is False > > empty_flag in any_case is False > empty_flag in any_case_on_any_line is False > The latter two defy all logic. Please don't. Your 'in' operator clearly means "is a subset of", and the empty set emphatically is a subset of all sets (this is the most basic mainstream set theory you can think of). -- --Guido van Rossum (python.org/~guido) *Pronouns: he/him **(why is my pronoun here?)* <http://feministing.com/2015/02/03/how-using-they-as-a-singular-pronoun-can-change-the-world/>
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