An iterator for the asynchronous sequence to use for observing
updates to the current state of the user’s subscription
to Apple Music.
Members (1)
method · iOS 15.0+
next
TypeScript
next(): Promise<(MusicSubscription) | null>
Swift declaration
mutating func next() async -> MusicSubscription?
Asynchronously advances to the next element and returns it, or ends the
sequence if there is no next element.
- Returns: The next element, if it exists, or `nil` to signal the end of
the sequence.
