unit UMetroPassenger;

interface

uses
  Classes, SysUtils, Generics.Collections;

type
  TStationShape = (ssCircle, ssSquare, ssTriangle, ssStar, ssPlus, ssPentagon,
    ssDiamond, ssQuarterCircle, ssHexagon, ssCross, ssHalfCircle, ssHeptagon);
  TStationShapeSet = set of TStationShape;

  { TMetroPassenger }

  TMetroPassenger = class
    Shape: TStationShape;
  end;

  { TMetroPassengers }

  TMetroPassengers = class(TObjectList<TMetroPassenger>)
    function AddNew: TMetroPassenger;
  end;


implementation

{ TMetroPassengers }

function TMetroPassengers.AddNew: TMetroPassenger;
begin
  Result := TMetroPassenger.Create;
  Add(Result);
end;

end.