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viewModel.showLoadingHUD.asDriver(onErrorJustReturn: false)
    .drive(onNext: { show in
        if show {
            HUD.show(.progress)
        } else {
            HUD.hide()
        }
    })
    .addDisposableTo(disposeBag)

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// MARK: Submit Button - action
viewModel.loggedIn.asObservable()
    .observeOn(MainScheduler.instance)
    .retryWhen { errorObservable -> Observable<Error> in
        errorObservable.map { [weak self] error in
            let alert = ErrorAlertBuilder(error: error).build()
            self?.present(alert, animated: true, completion: nil)
         
            return error
        }

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// Implementation
import Himotoki

// https://pay.jp/docs/api/#error
struct APIError: Decodable {
    let code: APIErrorCode
    let message: String
    let statusCode: Int
    let type: APIErrorType
    

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let tearDown = Driver.combineLatest(cancelButton.rx.tap.asDriver(),
        viewModel.completetion.asDriver(onErrorJustReturn: false)) { ($0, $1) }
            .drive(onNext: { [unowned self] in
                HUD.hide()
                self.view.endEditing(true)
                self.dismiss(animated: true, completion: nil)
            })
tearDown.addDisposableTo(disposeBag)

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// in browser
document.write(jQuery("img.ProfileCard-avatarImage").toArray().reduce((txt, img)=>{ return txt + "\n" + img.src }, ""))
// console
pbpaste | xargs -P 10 wget

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class AmountSettingViewModelSpec: QuickSpec {
    override func spec() {
        var viewModel: AmountSettingViewModel!
        beforeEach {
            viewModel = AmountSettingViewModel(amountText: Observable<String>.just("120"),
                                               submitButtonTap: Observable<Void>.just())
            
        }
        it("should be button ebanled") {
            let enable = try! viewModel.submitButtonEnable.toBlocking().single()

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import Quick
import Nimble
import RxTest
import RxBlocking
import RxSwift
import RxCocoa
import Result
@testable import customer

class SigninViewModelSpec: QuickSpec {

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let request = UserAPIRequest(id: 1) // APIKit
let username = URLSession.shared.rx.object(request: request)
    .map { user in // Himotoki
        return user.name
    }

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class PersonSpec: QuickSpec {
    override func spec() {
        describe("Person"){
            describe("成人判定") {
                itBehavesLike("is成人") {
                    let p = Person(name: "_", age: 21)
                    return ["person": p]
                }
                itBehavesLike("is成人") { ["person": Person(name: "_", age: 999)] }
                itBehavesLike("not成人") { ["person": Person(name: "_", age: 19)] }

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extension Charge {
    static var stubObjects: [Charge] {
        let JSON = json(from: "Fixtures/charges.json")
        return try! decodeArray(JSON, rootKeyPath: "data")
    }
}

struct MockWebAPI: HomeAPIProtocol {
    func getCharges() -> Observable<[Charge]> {
        return Observable.from(Charge.stubObjects)