@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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I'd advise people to take the "to write interactive programs" caveat seriously here. Neither categorist smugness nor anti-categorism helps.
CAVEATS FOR THE CAVEAT GOD! LOGISTICAL IMPOSSIBILITIES UNTO THE LOGISTICAL IMPOSSIBILITY THRONE
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