fn contributes_to_result_binary_booleanop<T: CoordinateType>(
event: &SweepEvent<T, DualCounter, PolygonType>,
polygon_semantics: PolygonSemantics,
operation: Operation
) -> boolfn contributes_to_result_binary_booleanop<T: CoordinateType>(
event: &SweepEvent<T, DualCounter, PolygonType>,
polygon_semantics: PolygonSemantics,
operation: Operation
) -> bool