You can use Swift on Windows, but the lack of a UI layer that makes the language feel like a second-class citizen. ... It’s a powerful tool that works well with many different design patterns.

Built with the Swift language itself, SwiftUI is available in the Xcode 11 beta IDE. Key features of SwiftUI include: A declarative syntax for stating what a UI should do.

The new Swift UI uses graphical modules to drop in segments of code, adding the lines as it expands. Pull-down menus make parameter alternation simpler for developers.