Option 1

Context

Variadic generics mailing list post: https://mail.python.org/archives/list/typing-sig@python.org/thread/3B2TCMCXCQJJXMTGX5POV5I24SDKWXLF/

This new PEP fixes most things but I also really need runtime type checking for this feature to be useful like

• https://typeguard.readthedocs.io/en/latest/userguide.html
• https://mail.python.org/archives/list/typing-sig@python.org/thread/VPWRH2DPYP5HSSWXAQFYHE4QRIHK26QP/

Additional Contex

• https://www.python.org/dev/peps/pep-0646/
• https://www.youtube.com/watch?v=ld9rwCvGdhc&t=9786s

Limitations

https://gist.github.com/msaroufim/6e0645d917c3e664da81c545d4215900

This was fun but will park this work for now

Option 2

Come up with a YAML based format, spec TBD