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The workaround is no longer necessary as of beta 3 which deprecates tabItemLabel in favor of tabItem.
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That seems to be recommended approach for read-only use cases. But what if you wanted to have a binding to a property in the managed object to be mutated in the UI?
Form has been added in beta 2, but it's currently only available on iOS (unlike List which is available on all platforms).
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It's unchanged in beta 2.
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A SwiftUI file created from the default template includes a PreviewProvider guarded by an `#if DEBUG` statement. In order to include this in the binary used by Xcode's preview cancas, open your project settings, expand "Active Compilation Conditions" (SWIFT_ACTIVE_COMPILATION_CONDITIONS) and add "DEBUG" in the debug configuration.
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Also, if you try to use the NSDiffableDataSourceSnapshotReference that is passed to your delegate in controller(_, didChangeContentWith:), you get all sorts of type errors which seem to indicate a problem with how this type is imported into Swift:(lldb) po snapshot.sectionIdentifiers
Precondition failed: NSArray element failed to match the Swift Array Element type
Expected NSManagedObjectID but found __NSCFConstantString:
…
(lldb) po snapshot.itemIdentifiers
Precondition failed: NSArray element failed to match the Swift Array Element type
Expected NSString but found NSTemporaryObjectID_0:
…This lets me think that NSDiffableDataSourceSnapshotReference<NSManagedObjectID, NSString> should probably be NSDiffableDataSourceSnapshotReference<NSString, NSManagedObjectID>.
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This doesn't look ready, yet. The example is clearly wrong, as the cast operates on unrelated types and always fails when you add the missing generic paramaters, given the following class declarations in beta 1:open class NSDiffableDataSourceSnapshotReference<sectionidentifiertype, itemidentifiertype=""> : NSObject, NSCopying where SectionIdentifierType : AnyObject, ItemIdentifierType : AnyObject {
public class NSDiffableDataSourceSnapshot<sectionidentifiertype, itemidentifiertype=""> where SectionIdentifierType : Hashable, ItemIdentifierType : Hashable {
