Learn enough C so that you can push your module written in Java/Ruby/Python/Node into C, and all the other high level language users can pick it, compile it and

Learn enough C so that you can push your module written in Java/Ruby/Python/Node into C, and all the other high level language users can pick it, compile it and use it natively in their language. Imagine you wrote a new 3D model file-format and all other language users have to load the Ruby interpreter to use it.