Instance Methodswift 6.0.3_Concurrency
next(isolation:)
Produces the next element in the prefix-while sequence.
- iOS
- 18.0+
- macOS
- 15.0+
- tvOS
- 18.0+
- visionOS
- 2.0+
- watchOS
- 11.0+
mutating func next(isolation actor: isolated (any Actor)?) async throws(AsyncPrefixWhileSequence<Base>.Iterator.Failure) -> Base.Element?
If the predicate hasn’t yet failed, this method gets the next element from the base sequence and calls the predicate with it. If this call succeeds, this method passes along the element. Otherwise, it returns nil
, ending the sequence.