Required Instance Methodswift 6.0.3Dispatch
setCancelHandler(handler:)
func setCancelHandler(handler: DispatchWorkItem) func setCancelHandler(handler: DispatchWorkItem) s8Dispatch0A14SourceProtocolP16setCancelHandler7handleryAA0A8WorkItemC_tF What are these?2EGEAimport Dispatchprotocol DispatchSourceProtocolclass DispatchWorkItemvar data: UInt { get }var handle: UInt { get }var isCancelled: Bool { get }var mask: UInt { get }func cancel() func resume() func setCancelHandler(qos: DispatchQoS, flags: DispatchWorkItemFlags, handler: DispatchSourceHandler?) func setEventHandler(handler: DispatchWorkItem) func setEventHandler(qos: DispatchQoS, flags: DispatchWorkItemFlags, handler: DispatchSourceHandler?) func setRegistrationHandler(handler: DispatchWorkItem) func setRegistrationHandler(qos: DispatchQoS, flags: DispatchWorkItemFlags, handler: DispatchSourceHandler?) func suspend() func setCancelHandler(handler: DispatchWorkItem)