point ref: Math::Geomet2dPoint
point ref assignment: OK
point address: Math::Geomet2dPoint=ARRAY(0x123ABC)
point copy, basic function / unequal to source: OK/OK
point copy, method alias: OK
point as string: point(0.3,1.5)
point as string, custom label: vector(0.3,1.5)
point as string, fully customised: vector2D(0.30,1.50)
point as an ARRAY:
  0.3
  1.5
point as a HASH:
  x  0.3
  y  1.5
point via &DataPrint:
  Math::Geomet2dPoint{
    0.3
    1.5
  }
