"People keep putting generators, callbacks, co, thunks, control flow libraries, and promises into one bucket." Yes, and that bucket is called a Stream, as used

"People keep putting generators, callbacks, co, thunks, control flow libraries, and promises into one bucket." Yes, and that bucket is called a Stream, as used effectively by FRP libs like RxJS and Bacon.js, and by Highland (http://highlandjs.org/ http://highlandjs.org/, made by the guy who made async).