anchor.diff:    double low;
     double close;
     String time;
  +  DateTime datetime;
     ForexDailyValue();
     ForexDailyValue.fromData(this.pair,this.date,this.open,this.high,this.low,this.close);
     ForexDailyValue.fromString(String line,{String pairName})
  
positive.code:     time=json["time"];
    }
  
     Map toJsonMap()
     {
        return{"pair":pair,"date":date,"open":open,"high":high,"low":low,"close":close};
     }
  }
  
  
  
negative.code:     else
        date = json["date"].substring(0,4)+"-"+json["date"].substring(4,6)+"-"+json["date"].substring(6,8);//json["date"];
  
      datetime = DateTime.parse(date);
      open = json["open"];//double.parse(json["open"]);
      high = json["high"];//double.parse(json["high"]);
      low  = json["low"];//double.parse(json["low"]);
  