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/post.scala
Created Apr 18, 2017

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object Show {
def apply[A](implicit sh: Show[A]): Show[A] = sh
def show[A: Show](a: A) = Show[A].show(a)
implicit class ShowOps[A: Show](a: A) {
def show = Show[A].show(a)
}
implicit val intCanShow: Show[Int] =
new Show[Int] {
def show(int: Int): String = s"int $int"
}
}
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