If your program starts spanning multiple machines or awaits user input CPS becomes a topic. At first it's scary, after a while you just assume everything is asy

If your program starts spanning multiple machines or awaits user input CPS becomes a topic. At first it's scary, after a while you just assume everything is async. CPS: https://en.wikipedia.org/wiki/Continuation-passing_style https://en.wikipedia.org/wiki/Continuation-passing_style