Measures and emits the time interval between events received from an upstream publisher.
- iOS 13.0+
- macOS 10.15+
- Mac Catalyst 13.0+
- tvOS 13.0+
- watchOS 6.0+
- Xcode 11.0+
The scheduler on which to deliver elements.
Options that customize the delivery of elements.
A publisher that emits elements representing the time interval between the elements it receives.
The output type of the returned scheduler is the time interval of the provided scheduler.