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post.scala

class UserRegistryActor extends Actor with ActorLogging {
  import UserRegistryActor._

  var users = Seq(
    User("Grzegorz", 31, "Poland"),
    User("Thomas", 28, "United Kingdom"))

  def receive: Receive = {
    case GetUsers => sender() ! Users(users)
    // we won't need the remaining messages today
  }
}