*nod* Aside from the obvious (compile-time guarantees beyond MyPy's ability to offer), the lack of pattern matching and an accompanying ecosystem that evolved i

*nod* Aside from the obvious (compile-time guarantees beyond MyPy's ability to offer), the lack of pattern matching and an accompanying ecosystem that evolved in its presence is my number one discomfort when writing Python for things like my QWidget GUI frontends for Rust backends.