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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. Travis Brown‏ @travisbrown 8 Nov 2016

      This is the least stressful poll you'll hear about all day: which naming convention do you prefer for a `TypeClass[Foo]` instance in Scala?

      3 replies 0 retweets 1 like
    2. Nicolas Rinaudo‏ @NicolasRinaudo 8 Nov 2016
      Replying to @travisbrown

      typeClass is not always possible, if you go through traits - I sometimes extends TC1Instances with TC2Instances -> conflict.

      1 reply 0 retweets 1 like
    3. Travis Brown‏ @travisbrown 8 Nov 2016
      Replying to @NicolasRinaudo

      Yeah, I think it's the only bad choice in the list, but you do see it fairly often.

      1 reply 0 retweets 0 likes
    4. Nicolas Rinaudo‏ @NicolasRinaudo 8 Nov 2016
      Replying to @travisbrown

      the first two depend on the case for me - I'd write stringCodec, but genString, for example. No idea why.

      1 reply 0 retweets 1 like
    5. Travis Brown‏ @travisbrown 8 Nov 2016
      Replying to @NicolasRinaudo

      Same here—in some cases one seems right and in some cases the other, and I'm not sure I can describe the difference clearly.

      1 reply 0 retweets 1 like
    6. Nicolas Rinaudo‏ @NicolasRinaudo 8 Nov 2016
      Replying to @travisbrown

      verb vs noun? gen is generate, you generate a string. Codec is a thing - a string codec, or a codec of string.

      1 reply 0 retweets 1 like
    7. Jon Pretty‏ @propensive 8 Nov 2016
      Replying to @NicolasRinaudo @travisbrown

      Generally undecided; I sometimes use `implicitFooTypeclass`. Long names encourage only *deliberate* shadowing.

      1 reply 0 retweets 1 like
    8. Nicolas Rinaudo‏ @NicolasRinaudo 8 Nov 2016
      Replying to @propensive @travisbrown

      that seems like overkill though... `publicImplicitValFooTypeclass`? :)

      2 replies 0 retweets 0 likes
    9. Jon Pretty‏ @propensive 8 Nov 2016
      Replying to @NicolasRinaudo @travisbrown

      It's a horrible way to work around accidental shadowing, but it's the best I've got.

      2 replies 0 retweets 0 likes
    10. Travis Brown‏ @travisbrown 8 Nov 2016
      Replying to @propensive @NicolasRinaudo

      I can do better: implicit val `this TypeClass instance for Foo really, really doesn't want to get shadowed` = …

      2 replies 0 retweets 0 likes
      Jon Pretty‏ @propensive 8 Nov 2016
      Replying to @travisbrown @NicolasRinaudo

      Also works. ;)

      6:14 AM - 8 Nov 2016
      0 replies 0 retweets 0 likes

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