[Python-ideas] Re: Extending LiteralString or Literal with structural validation

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