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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 4 Feb 2017

      You use a third-party library/framework but don't explicitly specify in the code how you want logging to be done. Which would you prefer?

      5 replies 2 retweets 1 like
    2. Tpol Chico‏ @tpolecat 4 Feb 2017
      Replying to @propensive

      a lib should provide logging effects that are tailored to its function. I'm not convinced one can abstract over this.

      2 replies 0 retweets 1 like
    3. Roland Kuhn‏ @rolandkuhn 8 Feb 2017
      Replying to @tpolecat @propensive

      Logging is not a concern clients should be burdened with, it does not belong into the API.

      1 reply 0 retweets 0 likes
    4. Jon Pretty‏ @propensive 8 Feb 2017
      Replying to @rolandkuhn @tpolecat

      What's a "client" here?

      1 reply 0 retweets 0 likes
    5. Roland Kuhn‏ @rolandkuhn 8 Feb 2017
      Replying to @propensive @tpolecat

      Caller–callee, client–service, what’s the big difference? It is all about modularization and about responsibility.

      1 reply 0 retweets 0 likes
    6. Jon Pretty‏ @propensive 8 Feb 2017
      Replying to @rolandkuhn @tpolecat

      Wasn't sure if you meant clients to be just "users of library X"...

      1 reply 0 retweets 0 likes
    7. Jon Pretty‏ @propensive 8 Feb 2017
      Replying to @propensive @rolandkuhn @tpolecat

      Anyhow, do you not think it's a problem having logging configured in some uncertain place you can't debug like code?

      1 reply 0 retweets 0 likes
    8. Jon Pretty‏ @propensive 8 Feb 2017
      Replying to @propensive @rolandkuhn @tpolecat

      I'm imagining an implicit which could either handle logging itself, or delegate that to some other specific config.

      1 reply 0 retweets 0 likes
    9. Roland Kuhn‏ @rolandkuhn 8 Feb 2017
      Replying to @propensive @tpolecat

      I sympathise with the sentiment, but to me that is not principled. Logging is monitoring is an integration concern.

      2 replies 0 retweets 0 likes
    10. Roland Kuhn‏ @rolandkuhn 8 Feb 2017
      Replying to @rolandkuhn @propensive @tpolecat

      Therefore it is validated by developers (debugging) and CI tests / CD ops.

      1 reply 0 retweets 0 likes
      Jon Pretty‏ @propensive 8 Feb 2017
      Replying to @rolandkuhn @tpolecat

      But as a developer I'd still like to see the logs without doing any integration. A one-line implicit seems a good way.

      6:10 AM - 8 Feb 2017
      • 1 Like
      • Mark Kennedy
      1 reply 0 retweets 1 like
        1. New conversation
        1. Roland Kuhn‏ @rolandkuhn 8 Feb 2017
          Replying to @propensive @tpolecat

          … then you cannot deploy those very same bits into production without the implicit becoming isomorphic to logback.xml

          1 reply 0 retweets 1 like
        2. Jon Pretty‏ @propensive 8 Feb 2017
          Replying to @rolandkuhn @tpolecat

          But difference is that logback.xml is not a known authority on conf. Classpath order and and JVM params can obfuscate.

          2 replies 0 retweets 1 like
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