didBecomeInvalid
An identifier for a message about a port becoming invalid.
Declaration
static var didBecomeInvalid: NotificationCenter.BaseMessageIdentifier<Port.DidBecomeInvalidMessage> { get }Discussion
Use this identifier with NotificationCenter’s addObserver(of:for:using:) or messages(of:for:bufferSize:) methods to observe messages of type Port.DidBecomeInvalidMessage.