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propensive's profile
Jon Pretty
Jon Pretty
Jon Pretty
@propensive

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Jon Pretty

@propensive

Supporting Scala through professional training and open-source software. Responsible for Magnolia, Fury, Scala World and Functional Africa.

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propensive.com
Joined July 2010

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    1. Jon Pretty‏ @propensive 3 Apr 2018

      I'm just finalizing the material for my http://Scala.one  Advanced Type Mechanics course, but all my examples use "foo", "bar" and "baz" and I want to use some less clichéd terms... What alternatives would you suggest? I'll give you credit if this ever makes it into a book!

      25 replies 1 retweet 21 likes
    2. Andriy Plokhotnyuk‏ @aplokhotnyuk 3 Apr 2018
      Replying to @propensive

      Please, for us, mortals, in examples use names from some non-abstract domain to clearly see how they solve _real_ problems, and also please do not hide problems which they add, like: longer compilation time, dependent memory reads, mega-morphic virtual calls, etc.

      1 reply 0 retweets 6 likes
    3. Jon Pretty‏ @propensive 3 Apr 2018
      Replying to @aplokhotnyuk

      It's not a matter of mortality, in this case: I'm trying to make a point with these particular examples on the typesystem that they're demonstrating universal properties which would apply to any method, parameter, type, etc.

      1 reply 0 retweets 1 like
    4. Jon Pretty‏ @propensive 3 Apr 2018
      Replying to @propensive @aplokhotnyuk

      There's a real downside to using more specific examples, in that people come to associate them with just that specific domain, and not like something universal. I've given meaningful names to the examples where I can. Now I just want some original names that don't infer context.

      1 reply 0 retweets 1 like
    5. Jon Pretty‏ @propensive 3 Apr 2018
      Replying to @propensive @aplokhotnyuk

      As for the other things you mention, these are all important, but they're not the primary focus of the course, and it's quite full already! But I'm certainly going to cover some compile-time performance characteristics.

      1 reply 0 retweets 0 likes
    6. Andriy Plokhotnyuk‏ @aplokhotnyuk 3 Apr 2018
      Replying to @propensive

      Anyway, it will be wonderful course and you will complete work started by @ktosopl http://ktoso.github.io/scala-types-of-types/ … . I hope that next step will be a more advanced course that explains how types help to reach a mechanical sympathy (when hardware and software working together in harmony)

      1 reply 1 retweet 1 like
      Jon Pretty‏ @propensive 3 Apr 2018
      Replying to @aplokhotnyuk @ktosopl

      I wish I had remembered that existed sooner! It would have given me some useful exhaustivity hints...

      12:13 PM - 3 Apr 2018 from East Worldham, England
      1 reply 0 retweets 0 likes
        1. New conversation
        2. Konrad ‘ktoso’ Malawski  🏴‍☠️ 🐟‏ @ktosopl 3 Apr 2018
          Replying to @propensive @aplokhotnyuk

          I’d love to see some help in finishing the not entirely done chapters… WDYT? Just a few words or an example in the TODO/FIXME sections would be AWESOME — help? :)

          1 reply 0 retweets 1 like
        3. Jon Pretty‏ @propensive 4 Apr 2018
          Replying to @ktosopl @aplokhotnyuk

          After I have done my training. ;) I'm going to be completely overwhelmed until then...

          0 replies 0 retweets 1 like
        4. End of conversation

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