example.scala

trait Creatable[T] {
  def create : T
}


object Main extends App{
  implicit object CreatableInt extends Creatable[Int] {
    def create : Int = 3
  }

  implicit object CreatableString extends Creatable[String] {
    def create : String = "pa"
  }

  def createValue[T](implicit value: Creatable[T]) = value.create

  val a  = createValue[Int]
  println(a)
  val b  = createValue[String]
  println(b)
}