mORMot Open Source

ab can you please explain why this happens:

Here is working type declaration for the code below :
type
  TRLi = packed record
    timestamp: string;
    bids  : array of array[0..1] of string;
    asks     : array of array[0..1] of string;
  end;

And here is declaration that won't work:
type
  TRLi = packed record
    timestamp: string;
    asks : array of array[0..1] of string;
    bids     : array of array[0..1] of string;   
  end;

both types are same, but RecordLoadJSON doesn't work with second Type as I expect

procedure TForm1.Button1Click(Sender: TObject);
var   s : UTF8String;
      RLi: TRLi;

begin
      s:=  '{"timestamp": "1","asks": [["2", "3"], ["4", "5"]],"bids": [["6", "7"], ["8", "9"], ["10", "11"]]}'  ;
      RecordLoadJSON(RLi, @s[1], typeinfo(TRLi) );
      Caption := Length(RLi.asks).ToString + ':' +  Length(RLi.bids).ToString; //2 : 3
end;