package_objects.scala

package hello {
  abstract class Sayer {
    def say(): String
  }
  object SayHello extends Sayer {
    def say = "Hello"
  }

  package object api {
    type Talker = Sayer
    val HelloTalker = SayHello
  }

}

package myClient {

  object Main extends Application {
    // println(SayHello.say)
    import hello.api._
    object FastTalker extends Talker {
      def say = "really fast"
    }

    HelloTalker.say
  }

}