anchor.diff:  
       /// <summary>TBD</summary>
       member m.save(fileName) = saveBinary m fileName
  -
  -    // override m.ToString() = sprintf "%s, nparameters:%A" (m.getString()) m.nparameters
   
   
   [<AbstractClass>]
  
positive.code:     val mutable mode: Mode
  
      /// <summary>TBD</summary>
      let parameterDict = ParameterDict()
      let parameterPrefixes = Dictionary<string, int>()
  
      /// <summary>TBD</summary>
      member val private subModels = Dictionary<string, ModelBase>()
  
      /// <summary>TBD</summary>
      member m.train() = 
  
negative.code:     /// <summary>Gets the number of parameters of the model</summary>
      member m.nparameters = m.parameters.nelement
  
      /// <summary>TBD</summary>
      member m.saveParameters(fileName) = m.parametersVector.save(fileName)
  
  