hmhmsh

struct LayoutGenerator {
    static func generate(handler: @escaping (Int) -> NSCollectionLayoutSection?) -> UICollectionViewCompositionalLayout {
        return .init { section, environment in
            handler(section)
        }
    }
}

struct SectionLayoutGenerator {
    static func carousel(width: CGFloat, height: CGFloat, spacing: CGFloat = 8) -> NSCollectionLayoutSection {

hmhmsh

extension DateFormatter {
    /**
     SeeAlso:
     [Date Field Symbol Table](http://www.unicode.org/reports/tr35/tr35-25.html#Date_Field_Symbol_Table)
     */
    enum Template: String, CaseIterable {
        /**
         Era - Replaced with the Era string for the current date. One to three letters for the abbreviated form, four letters for the long form, five for the narrow form.
         */
        case G

hmhmsh

protocol Api {
    var path: String { get }
}

struct QiitaApi: Api {
    var path: String {
        protocolName + domain + "/" + version + "/" + directory
    }
    
    private let protocolName = "https://"

hmhmsh

func hit(percent: Float) -> Bool {
	let max = Int(100 / fabsf(percent))
	let value = Int.random(in: 1 ... max)
	return value == 1
}

hmhmsh

// MARK: - get
extension UserDefaults {
	/**
	 -objectForKey: will search the receiver's search list for a default with the key 'defaultName' and return it. If another process has changed defaults in the search list, NSUserDefaults will automatically update to the latest values. If the key in question has been marked as ubiquitous via a Defaults Configuration File, the latest value may not be immediately available, and the registered value will be returned instead.
	 */
	public func object<T: RawRepresentable>(forKey defaultName: T) -> Any? where T.RawValue == String {
		UserDefaults.standard.object(forKey: defaultName.rawValue)
	}
	
	/// -stringForKey: is equivalent to -objectForKey:, except that it will convert NSNumber values to their NSString representation. If a non-string non-number value is found, nil will be returned.

hmhmsh

extension UITableView {
	func dequeueReusableCell<ROW: Identifiable>(with row: ROW, for indexPath: IndexPath) -> UITableViewCell where ROW.ID == String {
		return self.dequeueReusableCell(withIdentifier: row.id, for: indexPath)
	}
}

hmhmsh

struct DataProvider<T: Decodable> {
	let function: (@escaping (Result<T, Error>) -> Void) -> Void
	
	func completion(_ completion: @escaping (Result<T, Error>) -> Void) {
		function(completion)
	}
}

hmhmsh

enum SaizeriyaMenuCategory: String, Codable {
    case saladSoup = "サラダ・スープ"
    case appetizer = "前菜・おつまみ"
    case fromItalyWine = "イタリアの味・ワイン"
    case pizza = "ピザ"
    case pasta = "パスタ"
    case doriaRice = "ドリア・米料理"
    case hamburgSteak = "肉料理"
    case dessert = "デザート"

hmhmsh

struct TextAlertController {
    func create(title: String, message: String, preferredStyle: UIAlertController.Style = .alert, defaultText: String? = nil, completion: @escaping (String?) -> Void) -> UIAlertController {
        let actionController = UIAlertController(title: title, message: message, preferredStyle: preferredStyle)
        
        let ok = UIAlertAction(title: "OK", style: .default, handler: { [weak actionController] (_) -> Void in
            guard let textField = actionController?.textFields?.first else {
                completion(nil)
                return
            }
            

hmhmsh

struct Navigator {
    static func toMainViewController(from parent: UIViewController) {
        self.present(from: parent, to: StoryboardBuilder.mainViewController)
    }

    // 遷移先のViewControllerに値を渡す場合 
    static func toDetailViewController(from parent: UIViewController, id: String) {
        let detail = StoryboardBuilder.detailViewController
        detail.id = id
        self.present(from: parent, to: detail)