Hey, that looks awesome! The implementation approach is really simple and that's cool for a prototype, however in order to work well for libraries and the stan

Hey, that looks awesome! The implementation approach is really simple and that's cool for a prototype, however in order to work well for libraries and the standard library, we need to use the ast. If you want, I can make a pull request with an ast-based translation(I have a lot of experience playing with python's ast) ?