Chapter 18, Custom Publisher & Ownership
When creating a custom publisher, you also create a custom subscription. In the book ShareReplay example, the ShareReplay subscription owns a reference to the subscriber, but I don’t see that it holds...
View ArticleHow do i observe an Array when append or remove element with Combine?
When I adding or removing element in names array, no any result. following the code. Could you give and advice? class SomeClass: NSObject { @objc var names = ["A", "B", "C"] var cancellable:...
View ArticleChapter 2: Question about notification
I do a simple notification test with combine. Click postNotification button in ViewController that received notification successful. Click removeReceiver button (set _receive to nil) in ViewController...
View ArticleChapter 2: error when I try to run playground
I see the following error at the top of xcode when I try to run the playground: Failed to launch process. Failed to compile sandbox profile: sandbox_extension_issue_file: Operation not permitted I get...
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Spelling Error Chapter 20
Hi There - Noticed that SwiftUI is missing an ‘I’ character in this note. 3 posts - 2 participants Read full topic
View ArticleAre there more book updates coming?
Hi, The last version of this book was Jul 19, 2023 · iOS 16, Swift 5.8, Xcode 14. Just wondering if this will be updated for iOS 17 / 18 or is another book being created? Thanks. 2 posts - 2...
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