Extensions

Undocumented

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extension NUView

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extension UIGestureRecognizer

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extension CGFloat

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extension CGPoint

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extension CGSize

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extension CGRect

Extends the NSObject

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extension NSObject: ClassNameProtocol

Extensions originated in https://gist.github.com/StanislavK/e763cdc9fbe92f62f3c9dbd648e7e7ad

Usage examples

struct Language: Codable {
    var name: String
    var version: String
}

// create an instance
let language = Language(name: "Swift", version: "4")

// encode
if let data = try? language.encode() {
    // use data here
}

// decode
if let lang = try? Language.decode(from: data!) {
    // use lang here
}

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extension Encodable

Usage examples: see extension Encodable

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extension Decodable

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extension Array where Element: Equatable

extension Array where Element == IndexPath

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extension Date

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extension Calendar

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extension DateInterval

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extension String

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extension Optional where Wrapped == Int

Extension UITextField and class PickerView provide a simple data selector.

Example:

@IBOutlet var calendarSelector: UITextField!

override func viewDidLoad() { super.viewDidLoad()

calendarSelector.loadDropdownData(data: [“A”, “B”, “C”, “D”, “E”, “F”, “G”, “H”, “I”], selectionHandler: { selectedText in print(“selected: (selectedText)”) }) }

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extension UITextField

Usage examples

// declare a struct to be saved to / restored from UserDefaults
struct Language: Codable, Equatable {
   var name: String
   var version: String
}

let defaults = UserDefaults.standard
let languageKey = "defaultLanguage"

// create an instance
let testLanguage = Language(name: "Swift", version: "4")

// save in defaults
defaults.set(value: testLanguage, forKey: languageKey)

// restore from defaults should succeed
if let language: Language = defaults.get(forKey: languageKey) {
   // use the value found in defaults
} else {
   // did not find it in defaults
}

// remove from defaults
defaults.remove(forKey: languageKey)

// restore from defaults should fail
if let language: Language = defaults.get(forKey: languageKey) {
   // it won't get here after we removed the value from defaults
}

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extension UserDefaults