Matching ADT with Scala

Matching.scala

private def getLeaderboardName(kind: Kind, lbKind: LeaderboardKind) = kind match {
  case kg @ Kind.Global =>
    LeaderboardName(s"lb_${leaderboardKindToString(lbKind)}", lbKind)
  case Kind.World(w) =>
    LeaderboardName(s"lb_w${w}_${leaderboardKindToString(lbKind)}", lbKind)
  case Kind.Level(w, l, b) =>
    LeaderboardName(
      s"lb_w${w}_l$l${if (b) "b" else "")}_${leaderboardKindToString(lbKind)}",
      lbKind
    )
}