[bos]

It's more accurate to say that the point is to let you use dynamic typing where that makes sense, and static typing in the many cases where it helps. Hence "best of both".

[Touche]

This comment seems to indicate that you can't use dynamic typing: https://news.ycombinator.com/item?id=7437907

[sanxiyn]

My understanding is that you can use dynamic typing, but not dynamic code generation. Not the same thing.