Exception Handeling

• in swift exceptions are represented by instance of the Error protocol or its subtype.
• we are using do-catch block to handle the exceptions. Try keyword is used before the call because it might throw an error.

do {

            let user = try await realmApp.login(credentials: .anonymous)

            username = user.id

        } catch {

            print("Failed to login to Realm : \(error.localizedDescription)")

        }