contextTransformer.scala

import scala.util.Try

object ImplementedClient {
  def getStuff[A](url: String): Try[A] = 
    Try(url.asInstanceOf[A])
}
trait Client[F[_], G[_]] {
  def transform[A](f: F[A]): G[A]
  def get[A](url: String): G[A]
} 
trait BaseClient[G[_]] extends Client[Try, G] {
  def transform[A](f: Try[A]): G[A]
  def get[A](url: String): G[A] = transform(ImplementedClient.getStuff[A](url))
}
val optionClient = new BaseClient[Option] { def transform[A](f: Try[A]): Option[A] = f.toOption }