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Discussion on: Observables, Reactive Programming, and Regret

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Richard Tong

State and error handling are central to programming and are effectful in my vernacular. You just don't need to explicitly write out the flatMap because the language takes care of it.

Actually I see your point here. I'm becoming more aware that basically everything is an effect, especially when it comes to designing languages. I see how the language can take care of stuff like this; in fact rubico provides a language that takes care of Promises in this way.

The minor mismatches are just a few joins or a pure away. The important part is the concept of sequence.

This thought crossed my mind when I was writing out that example. Basically Promise .then does a whole bunch of flatMaps arbitrarily, if required. I'll chalk it up to a difference of what is effectful.