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class SuperHeroDetailViewControllerTests: XCTestCase {

    private let repository = MockSuperHeroesRepository()

    /* ... */

    private func openSuperHeroDetailViewController(_ superHeroName: String) {
        let superHeroDetailViewController = ServiceLocator()
            .provideSuperHeroDetailViewController(superHeroName) as! SuperHeroDetailViewController
        superHeroDetailViewController.presenter = SuperHeroDetailPresenter(ui: superHeroDetailViewController,

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class SuperHeroDetailViewControllerTests: XCTestCase {

    private let repository = MockSuperHeroesRepository()

    /* ... */

    private func openSuperHeroDetailViewController(_ superHeroName: String) -> UIViewController {
        let superHeroDetailViewController = ServiceLocator()
            .provideSuperHeroDetailViewController(superHeroName) as! SuperHeroDetailViewController
        superHeroDetailViewController.presenter = SuperHeroDetailPresenter(ui: superHeroDetailViewController,

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class SuperHeroesControlsViewControllerTests: AcceptanceTestCase {

    func testShowsEmptyCaseIfThereAreNoSuperHeroes() {
        openSuperHeroesViewController()

        tester().tapView(withAccessibilityLabel: "Button")

        tester().setValue(0, forSliderWithAccessibilityLabel: "Slider")

        for _ in (0..<10) {

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// --------------------------------------------- //
// -------------- VIEW CONTROLLER -------------- //
// --------------------------------------------- //

import UIKit

class SuperHeroControlsViewController: UIViewController {

    var textField: UITextField!
    var slider: UISlider!

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[alias]
	# ronto stands for "rebase --onto". Uses the current branch to move it and updates the start-of-the-branch tag along
	ronto = "!f() { \
		git rebase --onto $1 __start__$(git rev-parse --abbrev-ref HEAD) $(git rev-parse --abbrev-ref HEAD); \
		git tag -d __start__$(git rev-parse --abbrev-ref HEAD); \
		git tag __start__$(git rev-parse --abbrev-ref HEAD) $1; \
	}; f"
	# nb stands for "create branch". Creates a tag marking the start-of-the-branch
	cb = "!f() { \
		git tag __start__$1; \

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tailrec fun fizzbuzz(vararg args: Int) {
  if (args.isEmpty()) return

  val arg = args[0]
  when {
    arg % 15 == 0 -> print("FizzBuzz")
    arg % 3 == 0 -> print("Fizz")
    arg % 5 == 0 -> print("Buzz")
  }

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fun sum1(a: Int?, b: Int?): Int {
  b ?: return 0

  return if (a != null) {
    a + b
  } else {
    5 + b
  }
}

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abstract class Product(
    val id: String
) {
    abstract val name: String
    abstract var priceInEuros: Int
    var priceInDollars: Int
        get() = (priceInEuros * 1.06).toInt()
        set(value) {
            priceInEuros = (value / 1.06).toInt()
        }

Serchinastico

interface Sellable {
    var priceInEuros: Int
    var priceInDollars: Int
        get() = (priceInEuros * 1.06).toInt()
        set(value) {
            priceInEuros = (value / 1.06).toInt()
        }
}

interface Describable {

Serchinastico

sealed class Vinyl {
    object Skull : Vinyl()
    data class Angels(val numberOfAngels: Int) : Vinyl()
    data class Flowers(val numberOfFlowers: Int) : Vinyl()
    data class Guns(val label: String) : Vinyl()
    object Boots : Vinyl()
}

typealias Flag = Color