struct ContentView: View
    @State var keys = [UIKey]()

    var body: some View {
        Text(keys.map(\.characters).reduce("", +))
            .padding()
            .onKeyPress($keys)
    }
}

struct ContentView: View
    @State var keys = [UIKey]()

    var body: some View {
        Text(keys.map(\.characters).reduce("", +))
            .padding()
            .onKeyPress { keys in
                self.keys = keys
            }
    }
}

struct ContentView: View
    @State var keys = [UIKey]()

    var body: some View {
        Text(keys.map(\.characters).reduce("", +))
            .padding()
            .onKeyUpdate { keys in
                self.keys = keys
            }
    }
}