On Tue, Dec 20, 2022 at 11:17 PM Stephen J. Turnbull < stephenjturnb...@gmail.com> wrote:
> Ricky Teachey writes: > > > This isn't to say it should definitely be added to the language, that's > a > > tough hurdle. But boy would I have used it. > > IIUC, Mathew's idea doesn't need to be added to *the* language (the > one defined by the Language Reference). It needs to be added to the > languages used by type checkers. > > So if you want this and know a type checker author, send them pizza! :-) > > Steve > Unfortunately subclassing LiteralString is a TypeError at this time. Otoh something like this doesn't necessarily have to be a LiteralString child class, but it does mean someone who is a little more knowledgeable than I would have to write such a CustomString parent class, or custom_str() factory. Anyway I guess probably this is a discussion for the typing mailing list. Maybe the OP should consider taking it there? --- Ricky. "I've never met a Kentucky man who wasn't either thinking about going home or actually going home." - Happy Chandler
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