Show HN: SpaceX Dragon simulator docking autopilot in Clojure
<a href="https://www.reddit.com/r/spacex/comments/gigmfh/spacex_iss_docking_simulator/fqfzatb/" rel="nofollow">https://www.reddit.com/r/spacex/comments/gigmfh/spacex_iss_d...</a> 
does it in one line but it's kind of cheating.