An implicit equality typeclass instance, 2015: implicit val intEqual: Eq[Int] = new Eq[Int] { def equal(x: Int, y: Int): Boolean = x == y } (1/8)
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We settle on `given`, 2020: given intEq: Eq[Int] = _ == _ (6/8)
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Lovely to see the noise of the unneeded `intEq` name going away there
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You're still gonna need it in situations like //dumb examples but you get the idea given [A: Eq]: Monoid[List[A]] given [A: Semigroup]: Monoid[List[A]] because the generated name is going to be the same (Monoid_List_A or something like that) but in 90%+ cases it'll be
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I'm still kinda pissed that we can't do this if the method is declared as an extension method :( Actually, scratch that, I'm kinda angry that extension methods can be abstract and non-final.
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