anchor.diff:  
       override x.WriteJson (writer, value, serializer) =
           serializer.Serialize (writer, cbytes (value :?> bytes))
  -
   
   (* ------------------------------------------------------------------------------- *)
   let converters = [|
  
positive.code: 
  (* ------------------------------------------------------------------------------- *)
  let serialize<'T> (o: 'T) : string = JsonConvert.SerializeObject(o, settings)
  
  (* ------------------------------------------------------------------------------- *)
  let deserialize<'T> (s: string) : 'T = JsonConvert.DeserializeObject<'T>(s, settings)
  
negative.code:                     ignore ()
                      read (index + 1) (data @ [value])
   
              return read 0 List.empty |> Array.ofList } 
   
      let writeObject (map: Map<string, obj>) =
          json {
  