Haskell and Scala are top notch in this area. Probably one of their biggest advantages. I always feel a bit sad when I see that other programming languages try

Haskell and Scala are top notch in this area. Probably one of their biggest advantages. I always feel a bit sad when I see that other programming languages try to solve the same problem and come up with an inferior solution that they then try improve by fixing edge cases. I wish programming language authors would learn more from each other.