I like the idea, quite a bit. Unfortunately, string annotations are currently reserved for type annotations (particularly for forward references), so`x: str` and `x: "str"` are currently equivalent. This would rule-out using string literals in the manner you suggest.
On Sat, 2022-02-05 at 23:21 +0400, Abdulla Al Kathiri wrote: > Hello all, > > Why can’t we use the literals directly as types? For example, > > x: Literal[1, 2, 3] = 3 > name: Literal[“John”] | None = “John" > > Become …. > > x: 1 | 2 | 3 = 3 > name: “John” | None = “John" > > > def open(file: Path | str, mode: “w” | “a” = “w”): … > > Best Regards, > > Abdulla > _______________________________________________ > 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/IJ74AQRHCIIICNWYYBQTSQD2BQASRSBL/ > Code of Conduct: http://python.org/psf/codeofconduct/
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