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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. Patrick Walton‏ @pcwalton 8 Mar 2019

      The best feature of Rust is that I’m allowed to name a variable “class”

      12 replies 22 retweets 253 likes
    2. Frank‏ @jedisct1 8 Mar 2019
      Replying to @pcwalton

      But you can’t name it “type”.

      3 replies 0 retweets 9 likes
    3. steveklabnik‏ @steveklabnik 8 Mar 2019
      Replying to @jedisct1 @pcwalton

      r#type to the rescue!

      4 replies 0 retweets 10 likes
    4. Dale Wijnand‏ @dwijnand 9 Mar 2019
      Replying to @steveklabnik @jedisct1 @pcwalton

      Interesting how ructc uses "ty" while scalac uses "tpe".

      1 reply 1 retweet 2 likes
    5.  🔴 Lars Hupel‏ @larsr_h 9 Mar 2019
      Replying to @dwijnand

      … and Isabelle uses "typ" 🤔

      1 reply 0 retweets 3 likes
    6. Jon Pretty‏ @propensive 9 Mar 2019
      Replying to @larsr_h @dwijnand

      Embrace the backticks. We should use "`type`"!

      2 replies 1 retweet 5 likes
    7.  🔴 Lars Hupel‏ @larsr_h 9 Mar 2019
      Replying to @propensive @dwijnand

      why am I not surprised that this is coming from you 🤔

      1 reply 0 retweets 3 likes
    8. Jon Pretty‏ @propensive 9 Mar 2019
      Replying to @larsr_h @dwijnand

      Maybe because I've been saying for years, a) features exist so they can be used, and b) arbitrary choices (e.g. choice of abbreviation) are not intuitive, while taking the uniquely obvious option, even if it's slightly inconvenient, is.

      2 replies 0 retweets 11 likes
    9. Dale Wijnand‏ @dwijnand 9 Mar 2019
      Replying to @propensive @larsr_h

      How many times and across how many people are you willing to multiple that "slightly inconvenient" before you consider the alternative (teaching newcomers that "tpe" means "type") a better trade-off?

      2 replies 0 retweets 2 likes
      Jon Pretty‏ @propensive 9 Mar 2019
      Replying to @dwijnand @larsr_h

      The trade-off is on the learning curve, for the benefit of the uninitiated and to the detriment of the experienced. Everyone has the cost of learning that tpe = type, but only the subset who use it extensively feel the cost of typing the backticks.

      7:29 AM - 9 Mar 2019
      • 3 Likes
      • Paolo G. Giarrusso Elisabeth Lemma ♥︎ Black Lives Matter ➕ #AmazonUnions
      4 replies 0 retweets 3 likes
        1. Jon Pretty‏ @propensive 9 Mar 2019
          Replying to @propensive @dwijnand @larsr_h

          But it's still fair to do that analysis, based presumably on some measure of the relative and minimal complexity of discovering "tpe" vs typing backticks. Humans are very bad at multiplying very big numbers and very small numbers, generally...

          0 replies 0 retweets 0 likes
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        2. Tpol Chico‏ @tpolecat 9 Mar 2019
          Replying to @propensive @dwijnand @larsr_h

          I will offer that by the time you encounter tpe its naming is the least of your problems.

          1 reply 0 retweets 10 likes
        3. Jon Pretty‏ @propensive 9 Mar 2019
          Replying to @tpolecat @dwijnand @larsr_h

          Yes, when you've come down to the optimization of renaming tpe to `type`, you're basically rearranging the deckchairs of method names on the Titanic of your codebase.

          3 replies 0 retweets 5 likes
        4. Show replies
        1. Nicolas Rinaudo‏ @NicolasRinaudo 9 Mar 2019
          Replying to @propensive @dwijnand @larsr_h

          Might be off topic, but every single time I’ve felt the urge to call a field `type`, I was wrong and the better implementation was a type parameter in the parent type.

          0 replies 0 retweets 2 likes
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        2. Dale Wijnand‏ @dwijnand 9 Mar 2019
          Replying to @propensive @larsr_h

          Not exactly, in my opinion. Everyone has the cost of learning _once_ that tpe = type, compared to everyone _always_ having the cost of typing the backticks (as well as teaching newcomers about backtick escaping.)

          1 reply 0 retweets 1 like
        3. Jon Pretty‏ @propensive 9 Mar 2019
          Replying to @dwijnand @larsr_h

          But I think there's a difference in the value of those two things which need to be learned: backtick-escaping is a language feature which is generally useful to know; a transferable skill. But tpe = type is arbitrary knowledge, which can't be reliably applied elsewhere.

          2 replies 0 retweets 0 likes
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