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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 17 Apr 2017
      Replying to @NicolasRinaudo

      There's this: http://www.scala-js.org/doc/semantics.html#reflection …

      1 reply 0 retweets 0 likes
    2. Nicolas Rinaudo‏ @NicolasRinaudo 17 Apr 2017
      Replying to @propensive

      But this only mentions reflection, not structural types. Do we now assume everybody knows one relies on the other?

      2 replies 0 retweets 0 likes
    3. Jon Pretty‏ @propensive 17 Apr 2017
      Replying to @NicolasRinaudo

      Though you can't use structural types without enabling the language flag, ...can you?

      1 reply 0 retweets 0 likes
    4. Nicolas Rinaudo‏ @NicolasRinaudo 17 Apr 2017
      Replying to @propensive

      Is it not just a warning? I need to check - I don't use them, but writing slides on scala best practice and need concrete examples

      1 reply 0 retweets 0 likes
    5. Jon Pretty‏ @propensive 17 Apr 2017
      Replying to @NicolasRinaudo

      I think it probably is a warning, but that should be enough to alert you, I think. It'd still be useful to mention STs in the Scala.JS docs.

      2 replies 0 retweets 0 likes
    6. Nicolas Rinaudo‏ @NicolasRinaudo 17 Apr 2017
      Replying to @propensive

      The thing is - I'm not 100% convinced scala.js doesn't support structural types. It seems like something you could check in ja

      2 replies 0 retweets 0 likes
    7. Jon Pretty‏ @propensive 17 Apr 2017
      Replying to @NicolasRinaudo

      You wouldn't even need to do the check like you do on the JVM. But I guess the JS transformations happen on post-structural-desugared code.

      1 reply 0 retweets 0 likes
    8. Jon Pretty‏ @propensive 17 Apr 2017
      Replying to @propensive @NicolasRinaudo

      I'm not speaking with any authority on this, though. :)

      1 reply 0 retweets 0 likes
    9. Nicolas Rinaudo‏ @NicolasRinaudo 17 Apr 2017
      Replying to @propensive

      Turns out, looks like it's working fine: https://scalafiddle.io/sf/oPgvXyx/0  Or am I misinterpreting the results?

      1 reply 0 retweets 0 likes
    10. Nicolas Rinaudo‏ @NicolasRinaudo 17 Apr 2017
      Replying to @NicolasRinaudo @propensive

      And if not, what platform was the scala documentation referring to, then? It that an old artifact from .net compatibility?

      2 replies 0 retweets 0 likes
      Jon Pretty‏ @propensive 17 Apr 2017
      Replying to @NicolasRinaudo

      No idea... Any idea what the status is with Scala Native?

      7:39 AM - 17 Apr 2017
      1 reply 0 retweets 0 likes
        1. New conversation
        1. Nicolas Rinaudo‏ @NicolasRinaudo 17 Apr 2017
          Replying to @propensive

          Not a clue - but my perfect reason to not use structural types just disappeared :(

          1 reply 0 retweets 1 like
        2. Sébastien Doeraene‏ @sjrdoeraene 17 Apr 2017
          Replying to @NicolasRinaudo @propensive

          Authoritative answer: Scala.js does support structural types. It does not use reflection to implement them.

          1 reply 3 retweets 4 likes
        3. Show replies

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