Combines elements from this publisher with those from another publisher of the same type, delivering an interleaved sequence of elements.
- iOS 13.0+
- macOS 10.15+
- Mac Catalyst 13.0+
- tvOS 13.0+
- watchOS 6.0+
- Xcode 11.0+
Another publisher of this publisher’s type.
A publisher that emits an event when either upstream publisher emits an event.