I'm not sure when this little "feature" got slipped into the Scala compiler, but now no longer need to choose an faux-meaningful name for your implicits. implicit val _: Show[Int] = _.toString Reality: the implicit has a name, and that name is `_`.
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How about this: implicit val `Show[Int]`: Show[Int] = _.toString
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Scala could take a hint from Java's diamond operator and let you specify [] as a name to infer the name from the type... would even work for multiple implicits!
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