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- class Cartesian : Radian (x,y)
- initially
- if /(self.r) then {
- self.r := sqrt(self.x^2+self.y^2)
- self.d := 0 # this should really be some awful mess
- }
- end
- class Radian : Cartesian(d,r)
- initially
- if /(self.x) then {
- self.x := 0
- self.y := 0
- }
- end
-