> Like building out of clay and firing the parts you are happy with.
> Could even have a three step - Python-esque -> Go/Java-esque -> Rust/C++esque.
We do exactly that with Common Lisp. It compiles to different languages/frameworks depending on what we require (usually sbcl is more than enough, but for instance for embedded or ML we need another step. All dev (with smaller data etc) is in sbcl so with all the advantages.