Publishes a specific element, indicated by its index in the sequence of published elements.
- iOS 13.0+Beta
- macOS 10.15+Beta
- Mac Catalyst 13.0+Beta
- tvOS 13.0+Beta
- watchOS 6.0+Beta
- Xcode 11.0+Beta
The index that indicates the element to publish.
A publisher that publishes a specific indexed element.
If the publisher completes normally or with an error before publishing the specified element, then the publisher doesn’t produce any elements.