Sadly even in its latest incarnation it doesn’t. It still doesn’t have basic exhaustive pattern matching/sum types. More importantly, even once it gets that, it

Sadly even in its latest incarnation it doesn’t. It still doesn’t have basic exhaustive pattern matching/sum types. More importantly, even once it gets that, its standard library wasn’t written with them in mind. It gained (value) tuples quite late, so standard library functions still use awkward “out” parameters and so on.