TDataPoint<T> review

Src/Myc.Trade.DataPoint.pas

@@ -13,19 +13,21 @@ type
     end;
 
     TDataPoint<T> = record
-        Idx: Int64;
         Time: TDateTime;
         Data: T;
-        constructor Create(AIdx: Int64; ATime: TDateTime; const AData: T);
+        constructor Create(ATime: TDateTime; const AData: T);
+    end;
+
+    IMycStream<T: record> = interface
+        procedure Add(const Data: TDataPoint<T>);
     end;
 
 implementation
 
 { TDataPoint }
 
-constructor TDataPoint<T>.Create(AIdx: Int64; ATime: TDateTime; const AData: T);
+constructor TDataPoint<T>.Create(ATime: TDateTime; const AData: T);
 begin
-    Idx := AIdx;
     Time := ATime;
     Data := AData;
 end;