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Khalian/gist:8ac14ca7b5b4033473d2d2850a610282

Created October 4, 2018 19:21
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gistfile1.txt
sealed trait Addable[T] {
def add(a: T, b: T): T
}
object AddableInstances {
implicit val intAddable = new Addable[Int] {
override def add(a: Int, b: Int): Int = a + b
}
}
def add[T: Addable](a: T, b: T): T = implicitly[Addable[T]].add(a, b)
import AddableInstances._
add(1, 2)
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