Instance Method
next(isolation:)
iOS 18.0+
iPadOS 18.0+
Mac Catalyst 18.0+
macOS 15.0+
tvOS 18.0+
visionOS 2.0+
watchOS 11.0+
mutating func next(isolation actor: isolated (any Actor)?) async throws(`Self`.__AsyncIteratorProtocol_Failure) -> Element?