Collects up to the specified number of elements, and then emits a single array of the collection.
- iOS 13.0+
- macOS 10.15+
- Mac Catalyst 13.0+
- tvOS 13.0+
- watchOS 6.0+
- Xcode 11.0+
The maximum number of received elements to buffer before publishing.
A publisher that collects up to the specified number of elements, and then publishes them as an array.