The parent never claimed that a type system means bug free code, or replaces all unit tests. However, it does mean you need less tests. In a typed, compiled la

The parent never claimed that a type system means bug free code, or replaces all unit tests. However, it does mean you need less tests. In a typed, compiled language you get some pretty nice guarantees just by getting your code compiled. In a dynamic language, you have no way to know if your code even runs until you have 100% code coverage.