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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 14 Mar 2016
      Replying to @axonrg

      .@rgladwell A good answer would be to use Rapture's modes: http://rapture.io/mod/core 

      1 reply 0 retweets 4 likes
    2. Travis Brown‏ @travisbrown 14 Mar 2016
      Replying to @propensive

      @propensive @rgladwell Have you seen experience reports from people using modes (in either Rapture or Parboiled)? The idea makes me nervous…

      5 replies 0 retweets 2 likes
    3. Jon Pretty‏ @propensive 14 Mar 2016
      Replying to @travisbrown

      @travisbrown @rgladwell I haven't had much feedback, except that I've been using them for a couple of years without trouble...

      1 reply 0 retweets 0 likes
    4. Travis Brown‏ @travisbrown 14 Mar 2016
      Replying to @propensive

      .@propensive Add a type parameter and I'd be all for it—"…and this import changes your return types" just sounds like a joke about Scala. :)

      2 replies 2 retweets 6 likes
    5. Jon Pretty‏ @propensive 14 Mar 2016
      Replying to @travisbrown

      @travisbrown I think it's just a familiarity thing. Imports can affect a lot of different things, so why not return types?

      2 replies 0 retweets 1 like
    6. Travis Brown‏ @travisbrown 14 Mar 2016
      Replying to @propensive

      @propensive It's about picking battles. People get burned by implicit magic, are less receptive to more valuable / principled applications.

      1 reply 0 retweets 2 likes
    7. Jon Pretty‏ @propensive 14 Mar 2016
      Replying to @travisbrown

      @travisbrown Yes, I agree. It was definitely a conscious decision to go all-in with "powerful" imports in Rapture's design. :)

      1 reply 0 retweets 0 likes
    8. Jon Pretty‏ @propensive 14 Mar 2016
      Replying to @propensive

      @travisbrown I basically felt I could do more interesting things this way, accepting the cost that users would need to be educated...

      1 reply 0 retweets 0 likes
    9. Travis Brown‏ @travisbrown 14 Mar 2016
      Replying to @propensive

      @propensive Fair enough! I just wish we had more concrete ways of evaluating these kinds of design decisions.

      2 replies 1 retweet 0 likes
      Jon Pretty‏ @propensive 14 Mar 2016
      Replying to @travisbrown

      @travisbrown Yes, it's certainly not a great metric to judge them on the basis of "the author never had any trouble using them"...

      11:27 AM - 14 Mar 2016
      1 reply 0 retweets 0 likes
        1. Travis Brown‏ @travisbrown 14 Mar 2016
          Replying to @propensive

          @propensive "relatively little profanity / sarcasm was used when discussing this feature on Twitter / internal forums" isn't much better. :)

          0 replies 1 retweet 2 likes
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