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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. Michael Pilquist‏ @mpilquist 9 Jan 2017

      Don't build internal libraries - build what you need and use parametric polymorphism. You'll get reuse for free.

      5 replies 11 retweets 25 likes
    2. Long Cao‏ @oacgnol 9 Jan 2017
      Replying to @mpilquist

      what do you mean by this? (perhaps I realize the irony in asking about a concrete example)

      1 reply 0 retweets 1 like
    3. Michael Pilquist‏ @mpilquist 9 Jan 2017
      Replying to @oacgnol

      Hard to articulate in 140 but the focus should be on something useful. Reuse is "accidental" by nature of parametric polymorphism.

      2 replies 0 retweets 3 likes
    4. Jon Pretty‏ @propensive 10 Jan 2017
      Replying to @mpilquist

      Definitely been more persuaded of this (mainly the first half) recently: YAGNI, and it's just more code to test/maintain/fail.

      1 reply 0 retweets 0 likes
    5. Nicolas Rinaudo‏ @NicolasRinaudo 10 Jan 2017
      Replying to @propensive @mpilquist

      but don't you end up making libraries anyway once you realise many projects could reuse that code?

      1 reply 0 retweets 0 likes
    6. Jon Pretty‏ @propensive 10 Jan 2017
      Replying to @NicolasRinaudo @mpilquist

      Yes, but that's the outcome: it should be forked off into a library, which might not get you closer to your goal.

      2 replies 0 retweets 0 likes
    7. Nicolas Rinaudo‏ @NicolasRinaudo 10 Jan 2017
      Replying to @propensive @mpilquist

      I'm not sure I follow. Are you advocating against making a lib, or premature-forking into a lib?

      2 replies 0 retweets 0 likes
    8. Jon Pretty‏ @propensive 10 Jan 2017
      Replying to @NicolasRinaudo @mpilquist

      Yeah, what I said wasn't clear! I'm against writing library-like code if you don't need it.

      1 reply 0 retweets 0 likes
    9. Nicolas Rinaudo‏ @NicolasRinaudo 10 Jan 2017
      Replying to @propensive @mpilquist

      right. But if you make your code polymorphic with reuse in mind, you're likely going to fork into a lib eventually

      1 reply 0 retweets 0 likes
      Jon Pretty‏ @propensive 10 Jan 2017
      Replying to @NicolasRinaudo @mpilquist

      Yeah, I just think that should happen "eventually", not "right away"...

      7:01 AM - 10 Jan 2017
      1 reply 0 retweets 0 likes
        1. Nicolas Rinaudo‏ @NicolasRinaudo 10 Jan 2017
          Replying to @propensive @mpilquist

          understood, in that case I agree entirely. Thanks!

          0 replies 0 retweets 1 like
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