In reply to @eightbit_dboy "I'm talking about just": I think I can tell you
that you first want to wrap some raw C functions but make it private
and then you can build functions on top of them to take advantage of Nim's type
system

https://github.com/ZoomTen/nim-gb-test/tree/master/nim_src/gbdk

Futhark's author made a write-up on wrapping C stuff here too:
https://peterme.net/wrapping-c-libraries-in-nim.html