(

ln = line()
addNewSpline ln
addKnot ln 1 #corner #line [1,0,0]
addKnot ln 1 #corner #line [5,0,0]
format "ln: % : %\n" (superClassOf ln) (classof ln)
convertToSplineShape ln; updateShape ln
format "ln: % : % -- still not a splineshape :(\n" (superClassOf ln) (classof ln)

ss = SplineShape()
addNewSpline ss
addKnot ss 1 #corner #line [-5,0,0]
addKnot ss 1 #corner #line [-1,0,0]
format "ss: % : %\n" (superClassOf ss) (classof ss)

)