override def delete()

in auctionServer/src/main/scala/com/google/example/services/auction/AuctionDataStore.scala [49:55]


  override def delete(id: Long): Option[Auction] =
    auctions.find(_.id == id) match
      case None => None
      case Some(auction) =>
        synchronized {
          auctions = auctions.filter(_ != auction)
        }