anchor.diff:  let PlayerActor waitingRoom id (mailbox:Actor<PlayerMessage>) =
       let log = printfn
       let loge = printfn "%A"
  -    let rec gamePlay (gameRoom:Actor.IActorRef) = actor {
  +    let rec gamePlay (gameRoom:IActorRef<PlayerMessage>) = actor {
           log "Playing games!!"
  -        gameRoom <! (sprintf "I am playing: %A" id)
  +        gameRoom <! Message(sprintf "I am playing: %A" id)
       }
   
       let rec requestGameRoom() = actor {
  
positive.code: 
          if Set.count players = 3 then
              //  start the game by notifying all players the gameRoom has been initialized
              let gameRoom = spawn ActorSystem "GameRoom" (GameRoomActor players)
              players |> Set.toList |> List.iter(fun p -> p.Ref <! Ready(gameRoom))
              log "Game Started"
  
          let! message = mailbox.Receive()
  
negative.code: open Akka
  open Akkling
  
  type PlayerGameInfo = {
      GameRoom : Actor.IActorRef
  }
  
  type PlayerMessage = 
      | GameStarted of PlayerGameInfo
      | Message of string
      | Failed
              
  
  [<CustomEquality; CustomComparison>]
  type PlayerIdentity = {
          Id  : Guid
          Ref : IActorRef<PlayerMessage>
      }
      with
          override x.Equals(yobj) =
  