enum CustomizedError: LocalizedError { case unexpectedError case sessionNotExist var errorDescription: String? { switch self { case .unexpectedError: return "unexpected error" case .sessionNotExist: return "session not exist" } } }
enum CustomizedError: LocalizedError { case unexpectedError case sessionNotExist var errorDescription: String? { switch self { case .unexpectedError: return "unexpected error" case .sessionNotExist: return "session not exist" } } }