Jon Pretty on Twitter: "@MartianOdyssey @odersky Consequently I think it's part of the reason many people don't like subtyping at all, and avoid it (e.g. Scalaz)."

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1. Jon Pretty‏ @propensive 23 Jun 2015
  @MartianOdyssey @odersky Not the only reason, though. Complexity of variance is another reason not to use subtyping. Traits don't fix that!
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1. Jon Pretty‏ @propensive 23 Jun 2015
  @MartianOdyssey @odersky No problem! Just to be clear, I don't dislike subtyping: it adds a lot to Scala. But that coin has two sides.
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