Interface for qBeta module object

Origin: ArrayDemos

Point: obj  

   Point: 

      in x: var integer

      in y: var integer

      :=: 

         in p: ref Point

   ColorPoint: Point

      in c: var integer

      :=: 

         in p: ref Point

      print: 

   x: var integer

   y: var integer

      --    p1:?Point

      --    p2:?Point

      --    p3:?Point

      

   p2: obj Point(,)

   p1: obj Point(,)

   p3: obj Point(,)

   cp1: obj ColorPoint(,,)

   cp2: obj ColorPoint(,,)