Tells a publisher that it may send more values to the subscriber.
Required.
SDKs
- iOS 13.0+
- macOS 10.15+
- Mac Catalyst 13.0+
- tvOS 13.0+
- watchOS 6.0+
- Xcode 11.0+
Framework
- Combine
Declaration
func request(_ demand: Subscribers.Demand)
Instance Method
request(_:)
See Also
Requesting Elements
struct SubscribersA requested number of items, sent to a publisher from a subscriber through the subscription.