Medium blogpost snippet

SettingsViewController.swift

private func setUp(settingSwitch: UISwitch, with toggle: Toggle) {
    let (value, isBusy) = toggle.manage(change: settingSwitch.rx.isOn.changed.asObservable())

    // ...
    
    let fallbackValue = value
        .filter { $0.isFallback }
        .map { $0.value }
        .flatMap { $0.map(Driver.just) ?? Driver.empty() } // .unwrap() if using `RxSwiftExt`
    
    // ...

    let shouldPlayShakeAnimation = fallbackValue
        .map { _ in () }

    shouldPlayShakeAnimation
        .drive(onNext: { _ in
            settingSwitch.shake()
        })
        .disposed(by: disposeBag)
}