anchor.diff:      member __.Dispatch (message : string[]) : obj =
           match message with
           | [| "init"; filePath |] 
  -            -> init filePath; null
  -        | [| "run" |] -> run() :> obj
  +            -> init filePath :> obj
  +        | [| "run" |] 
  +            -> run() :> obj
           | x -> raise <| MessageNotUnderstood x
   
   let controller = WordFrequencyController()
  
positive.code:         match message with
          | [| "increment_count"; word |] 
              -> incrementCount word :> obj
          | [| "sorted" |] -> sorted() :> obj
          | x -> raise <| MessageNotUnderstood x
  
  type WordFrequencyController () =
  
negative.code: 
      member __.Dispatch (message : string[]) : obj =
          match message with
          | [| "init" |] 
              -> init () :> obj
          | [| "is_stop_word"; word |] 
              -> isStopWord word :> obj
          | x -> raise <| MessageNotUnderstood x
  