@edwinbrady is right in his book: "You don't need to understand <M word> to write interactive programs". Mistake of many Haskell tutorials.pic.twitter.com/3T8uespsfO
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Great to see a whole chapter on functional interactive programs talking only about "executing actions" and not Monad laws, or even "Monads".
For me the crucial bit is distinguishing evaluation and execution. I think this makes much more sense, and shows what's really going on.
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