Eh, that's true, and that's a convenient way of doing intermediate representation, since its very machine-friendly. But really, finite state machines are just callbacks, just as generators can be treated as just callbacks. There is no real logical difference, and it is their historical origin, even for generators which is just a neat syntax for what could have been done back in the day with a more explicit OO solution.
It does provide a more conceptual way of thinking about what those old callbacks would have meant though, which opens up thinking about scheduling them. Still, it's not something I'd rather do, if I need an asynchronous iterator I'll write one but if I need to start scheduling tasks then I'm using threads and leaving it to someone smarter than me.
It does provide a more conceptual way of thinking about what those old callbacks would have meant though, which opens up thinking about scheduling them. Still, it's not something I'd rather do, if I need an asynchronous iterator I'll write one but if I need to start scheduling tasks then I'm using threads and leaving it to someone smarter than me.