set-arc in region%

Sets the region to the interior of the specified wedge.

See also draw-ellipse in dc<%>.

• (send a-region set-arc x y width height start-radians end-radians) -> void
     x : real number
     y : real number
     width : non-negative real number
     height : non-negative real number
     start-radians : real number
     end-radians : real number