A Swift Playground explaining the concepts of the new Combine framework

This playground will help you to get started with Combine - Apple Developer Documentation.

Included in this playground

The playground is a paged playground and is built up in several chapters

• What is Combine?
• Publishers & Subscribers
• Rules of subscriptions
• Foundation and Combine
• @Published property and bindings
• Memory management explained with AnyCancellable
• Flatmap and matching error types
• Combining Publishers
• Future and Promises
• Custom Publisher and UIKit extensions

More to come!

Playgrounds require Xcode beta 2 and up

Xcode beta 1 didn't support using Combine in playgrounds. For this you need at least Xcode beta 2. MacOS Catalina is not required.

Example of a playground page

Interesting resources

Some interesting resources regarding Combine.

• Getting started with the Combine framework in Swift
• RxSwift to Apples Combine
• WWDC 2019 s721 - Combine in practice
• WWDC 2019 s722 - Introducing Combine
• Open Source insight of Combine