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@MainActor is not safely when it used with propertyWrapper?

Combined use @mainActor and propertyWrapper is not safe? The code will execute directly in the background thread. It is a bug?

Here is the demo:

struct DetailView: View {
    
    @MainActor
    @Environment(\.dismiss)
    private var dismiss
    
    var body: some View {
        Text("Hello")
            .task {
                await asyncWork()
            }
    }

    private func asyncWork() async {
        Thread.sleep(forTimeInterval: 1)

        // Crash. Because of not in main Thread.
        await dismiss()
    }

}
over 3 years ago · Santiago Trujillo
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