Not sure what you mean, while it’s true that it would have been nice that Protocols were always the primary building block, as of python 3.8 they _can_ be depen

Not sure what you mean, while it’s true that it would have been nice that Protocols were always the primary building block, as of python 3.8 they _can_ be depending on your use of Structural Typing https://peps.python.org/pep-0544/ https://peps.python.org/pep-0544/