Why Storing Closures in SwiftUI @Observable Causes EXC_BAD_ACCESS
What I Was Trying to Do I was building an iOS music streaming app with detail views behind NavigationDestination. Each detail view had its own ViewModel, with API calls injected as closures. Something like this: @Observable final class PlaylistDetailVM { var songs: [Song] = [] var isLoading = false // API methods injected as closures private let fetchSongs: (String) async throws -> [Song] private let addToPlaylist: (String, [String]) async throws -> Void init( fetchSongs: @escaping (String) async throws -> [Song], addToPlaylist: @escaping (String, [String]) async throws -> Void ) { self.fetchSongs = fetchSongs self.addToPlaylist = addToPlaylist } } Created as @State inside NavigationDestination: ...