Swift - Generate an Address Format from Reverse Geocoding

Question

I am trying to generate a Formatted Full address using CLGeocoder in Swift 3. I referred to this SO thread to get the code given below.

However, sometimes the app crashe

Answer 1

Here's a 2-3 line version of the answers here:

    func getAddress(placemarks: [CLPlacemark]) -> String {
        guard let placemark = placemarks.first, !placemarks.isEmpty else {return ""}
        let outputString = [placemark.locality,
                            placemark.subLocality,
                            placemark.thoroughfare,
                            placemark.postalCode,
                            placemark.subThoroughfare,
                            placemark.country].compactMap{$0}.joined(separator: ", ")
        print(outputString)
        return outputString
    }