A publisher that provides an explicit means of connecting and canceling publication.
- iOS 13.0+
- macOS 10.15+
- Mac Catalyst 13.0+
- tvOS 13.0+
- watchOS 6.0+
- Xcode 11.0+
Connectable when you need to perform additional configuration or setup prior to producing any elements.
This publisher doesn’t produce any elements until you call its