我想对正在实现class的{{1}}进行子类化，以便仅为此OptionSet添加一些额外的options。这可能吗？我尝试过这样的事情：
subclass但是当我尝试使用extension AugmentedRealityViewSceneKit {
public class EngineConfiguration: OptionSet {
public static let enableSun = EngineConfiguration(rawValue: 1 << 0)
public static let enableFloor = EngineConfiguration(rawValue: 1 << 1)
public var rawValue: Int
required public init(rawValue: RawValue) {
self.rawValue = rawValue
}
}
}
extension AugmentedRealityViewARKit {
public class EngineConfiguration: AugmentedRealityViewSceneKit.EngineConfiguration {
public static let enableWorldTracking = EngineConfiguration(rawValue: 1 << 2)
public static let enableEnvironmentLightEstimation = EngineConfiguration(rawValue: 1 << 3)
public static let enableFloorLevelDetection = EngineConfiguration(rawValue: 1 << 4)
}
}
检查选项是否在给定集中时，此方法不起作用-它显示：
'AugmentedRealityViewARKit.EngineConfiguration'需要以下类型 'AugmentedRealityViewARKit.EngineConfiguration'和 'AugmentedRealityViewSceneKit.EngineConfiguration'等效于 使用“包含”
示例游乐场：
.contains()