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edwinbrady's profile
Edwin Brady
Edwin Brady
Edwin Brady
@edwinbrady

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Edwin Brady

@edwinbrady

CompSci Lecturer. Go player. Programming language researcher. Idris hacker. Denies knowledge of Whitespace. He/him. http://tinyurl.com/TypeDD 

St Andrews
eb.host.cs.st-andrews.ac.uk
Joined November 2008

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    Edwin Brady‏ @edwinbrady 2 Mar 2017
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    One of my Haskell students just asked me the question we all dread… “I don’t think I quite get monads”

    4:19 AM - 2 Mar 2017
    • 5 Retweets
    • 37 Likes
    • Barry Pooter Fabrice F Leal Luka Jacobowitz 🏳️‍🌈 Gravid Beast edef april aka cyberglot Виталий Брагилевский Iain Hull Alexander Popov
    5 replies 5 retweets 37 likes
      1. New conversation
      2. Edwin Brady‏ @edwinbrady 2 Mar 2017
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        Replying to @edwinbrady

        Interestingly, in this case pronouncing ‘m’ as “How to get a thing of type” seemed to do the trick. #tweetyourmonadtutorial

        6 replies 6 retweets 13 likes
      3. Aaron Levin‏ @aaronmblevin 2 Mar 2017
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        Replying to @edwinbrady

        "a monad is an interface with two methods" #tweetyourmonadtutorial

        1 reply 0 retweets 5 likes
      4. 3 more replies
      1. New conversation
      2. Simon Dobson‏ @simoninireland 2 Mar 2017
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        Replying to @edwinbrady

        In case it helps: https://simondobson.org/2010/06/22/monads-language-design-perspective/ …

        2 replies 0 retweets 1 like
      3. Edwin Brady‏ @edwinbrady 2 Mar 2017
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        Replying to @simoninireland

        oh, I used that “programmable semicolon” line yesterday. I think it helps some, but everyone seems to get it differently.

        0 replies 0 retweets 2 likes
      4. End of conversation
      1. New conversation
      2. Edwin Brady‏ @edwinbrady 2 Mar 2017
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        it's the only way that's worked for me in general, certainly. I start with examples, and show the common structure later.

        1 reply 0 retweets 1 like
      3. Oliver Jack Dean‏ @oledean 2 Mar 2017
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        Replying to @edwinbrady

        Haha I remember asking you this Q time last year! Burrito analogy only worked for half an hour ;) Code all the way :)

        0 replies 0 retweets 0 likes
      4. End of conversation
      1. John Orford‏ @mmport80 2 Mar 2017
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        Replying to @edwinbrady

        refer her to ur book - v nice

        0 replies 0 retweets 0 likes
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      1. Remy Goldschmidt‏ @taktoa1 2 Mar 2017
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        Replying to @edwinbrady

        what made monads click for me was seeing their equivalent formulation in terms of pure and join; the types are much cleaner

        0 replies 0 retweets 0 likes
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      1. Bruno Berisso‏ @QueDijoQueDijo 2 Mar 2017
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        Replying to @edwinbrady

        make them implement simple ones, like Maybe and Either, then continue writing until they get the feel and acept the uncerainlly

        0 replies 0 retweets 0 likes
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