Publishes a specific element, indicated by its index in the sequence of published elements.
- iOS 13.0+
- macOS 10.15+
- Mac Catalyst 13.0+
- tvOS 13.0+
- watchOS 6.0+
- Xcode 11.0+
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 — the publisher doesn’t produce any elements.