The "Lambda: The Ultimate GOTO" paper shows a still-timely example of when you might want to express a state machine as mutually recursive functions. Granted, t

The "Lambda: The Ultimate GOTO" paper shows a still-timely example of when you might want to express a state machine as mutually recursive functions. Granted, they compare to the actual GOTO, but you can't make state machines of any manageable size with iteration, either.