ShowInCatsExample.scala

object Main extends App {

  import cats._
  import cats.implicits._

  println(123.show)
  println("xyc".show)
  println(true.show)

  // using show on custom objects
  case class Cat(name: String)
  val cat = Cat("Ruby")
  implicit val catShow: Show[Cat] = Show.show[Cat](c => "Cat called " + c.name)
  println(cat.show)

}