A namespace for types that serve as publishers.
- iOS 13.0+
- macOS 10.15+
- Mac Catalyst 13.0+
- tvOS 13.0+
- watchOS 6.0+
- Xcode 11.0+
The various operators defined as extensions on
Publisher implement their functionality as classes or structures that extend this enumeration. For example, the contains(_:) operator returns a Publishers.Contains instance.