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whatyouhide's profile
Andrea Leopardi
Andrea Leopardi
Andrea Leopardi
@whatyouhide

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Andrea Leopardi

@whatyouhide

Member of the @elixirlang core team, professional nitpicker, speaker, developer advocate, software architect.

L'Aquila, Italy
andrealeopardi.com
Joined April 2014

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    1. Andrea Leopardi‏ @whatyouhide Sep 16

      I hate the "code should be self-explanatory so no comments" thing. I love comments. However, *how many* comments also depends on the language - in Elixir I write less because I feel it's expressive. I would write a ton of comments in C or a new language.

      6 replies 1 retweet 26 likes
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      Andrea Leopardi‏ @whatyouhide Sep 16

      Because of this, I write more comments than I feel necessary in Elixir as well: I am proficient in it but many of the readers of my code might not be. Comments don't hurt so don't be cheap with them 🙃

      6:19 AM - 16 Sep 2018
      • 1 Retweet
      • 14 Likes
      • Daniele Di Pompeo Pato Cano Prashant Singh Kenji Rikitake Dana Jones Fernando Tapia Rico Martin Gausby Dennis Beatty Boris Gnezdilov
      6 replies 1 retweet 14 likes
        1. New conversation
        2. Sébastien VARLET‏ @svarlet Sep 16
          Replying to @whatyouhide

          So with the exception of open source code that is widely used and also very well maintained+evolved+released, I recommend to ditch those nasty comments and work out your clarity in code skills.

          1 reply 0 retweets 0 likes
        3. Andrea Leopardi‏ @whatyouhide Sep 16
          Replying to @svarlet

          In my experience companies have proportionally the same amount of newcomers to code that open source does. Maintaining comments is part of the job. I believe that if you strike the right balance of comments, it's not hard to keep them relevant.

          0 replies 0 retweets 0 likes
        4. End of conversation
        1. Part snob, part slob‏ @apsonge Sep 16
          Replying to @whatyouhide

          There usually aren’t enough domain knowledge comments or enough comments with links to research (a point I first heard from Joe Armstrong)...the research is the part that takes the longest! The code is practically the easy part.

          0 replies 0 retweets 2 likes
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        1. Yevhenii Kurtov‏ @lessless_ua Sep 17
          Replying to @whatyouhide

          Depends on what is put in a comments. Partially describing business logic here and there won't work -they can't replace proper project documentation. Also there is a maintenance cost that comes with them.

          0 replies 0 retweets 0 likes
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        1. Sébastien VARLET‏ @svarlet Sep 16
          Replying to @whatyouhide

          Also there is a saying about people who think they will somehow manage to express themselves clearly in comments when the can’t do so with their code.

          0 replies 0 retweets 0 likes
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        1. Sébastien VARLET‏ @svarlet Sep 16
          Replying to @whatyouhide

          They do hurt. Not by essence but by negligence golf the people who come, quickly change the function and leave, without updating the comment. It is unavoidable unless you put in place an expensive review process.

          0 replies 0 retweets 0 likes
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        1. Dario Maiocchi‏ @DarioMaiocchi Sep 16
          Replying to @whatyouhide

          In some project i think also that the same rule aplly for design, like 'design is self explicatory' but indeed is not :)

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