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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. soc‏ @oxnrtr 9 Aug 2017
      Replying to @propensive @missingfaktor

      I think I found 6 or 7 design mistakes. Each significant enough to outright reject this proposal. But SIP process doesn't apply anyway.

      1 reply 0 retweets 0 likes
    2. Jon Pretty‏ @propensive 9 Aug 2017
      Replying to @oxnrtr @missingfaktor

      Not to Dotty, it doesn't... but Martin did change the proposal in response to feedback on his PR, so it's not like it was a closed process.

      1 reply 0 retweets 0 likes
    3. soc‏ @oxnrtr 9 Aug 2017
      Replying to @propensive @missingfaktor

      I don't think any changes can fix it. It's not only what it does, but that the whole thing is a confused, sprawling, over-complicated mess.

      2 replies 0 retweets 0 likes
    4. Jon Pretty‏ @propensive 9 Aug 2017
      Replying to @oxnrtr @missingfaktor

      I think the risk is that it provides concise support for something you can already do, and costs one feature, and less syntax uniformity.

      1 reply 0 retweets 0 likes
    5. soc‏ @oxnrtr 9 Aug 2017
      Replying to @propensive @missingfaktor

      I made some comments about the issues with Dotty's enum design a while ago. Repeating well-known mistakes over and over–this lang is doomed.pic.twitter.com/l1apcbHALL

      1 reply 2 retweets 1 like
    6. Jon Pretty‏ @propensive 9 Aug 2017
      Replying to @oxnrtr @missingfaktor

      Thanks - that's a more constructive teardown, even though I don't agree with all of it. :)

      2 replies 0 retweets 0 likes
    7. soc‏ @oxnrtr 9 Aug 2017
      Replying to @propensive @missingfaktor

      No problem! Remember that these are only the well-known mistakes–i.e. we already made them in the past. How many new, unknown ones? No idea.

      2 replies 0 retweets 0 likes
    8. Alex Nixon‏ @alexnixon_uk 9 Aug 2017
      Replying to @oxnrtr @propensive @missingfaktor

      IMO the proposal adding ordinals to ADT cases is another bizarre choice. None is 0 and Some is 1. Eh?

      1 reply 0 retweets 0 likes
    9. Jon Pretty‏ @propensive 9 Aug 2017
      Replying to @alexnixon_uk @oxnrtr @missingfaktor

      I think this is so that matches can be distinguished with a bytecode switch, rather than a type test, which should improve performance.

      1 reply 0 retweets 0 likes
    10. Rahul Goma Phulore‏ @missingfaktor 9 Aug 2017
      Replying to @propensive @alexnixon_uk @oxnrtr

      Why surface that in userland though?

      1 reply 0 retweets 1 like
      Jon Pretty‏ @propensive 9 Aug 2017
      Replying to @missingfaktor @alexnixon_uk @oxnrtr

      Where is it exposed in userland? I don't think it is...

      6:34 AM - 9 Aug 2017
      1 reply 0 retweets 0 likes
        1. New conversation
        1. Rahul Goma Phulore‏ @missingfaktor 9 Aug 2017
          Replying to @propensive @alexnixon_uk @oxnrtr

          I interpreted Alex' tweet as saying a userland `ordinal` method, a la Java, will be added. If not, okay.

          1 reply 0 retweets 0 likes
        2. Jon Pretty‏ @propensive 9 Aug 2017
          Replying to @missingfaktor @alexnixon_uk @oxnrtr

          I think there's probably some way to get that associated ordinal, but there shouldn't be any common use cases for it.

          1 reply 0 retweets 0 likes
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