foxicode

public extension UIView {
  func removeAllSubviews() {
    let subviews = self.subviews
    subviews.forEach {
      $0.removeFromSuperview()
    }
  }
}

foxicode

public extension UIView {
  func forceLayout() {
    setNeedsLayout()
    layoutIfNeeded()
  }
}

foxicode

public extension DateFormatter {
  convenience init(dateFormat: String, locale: Locale) {
    self.init()
    self.dateFormat = dateFormat
    self.locale = locale
  }
}

foxicode

public extension Int {
  var asString: String {
    "\(self)"
  }

  func toString() -> String {
    "\(self)"
  }
}

foxicode

import Foundation

protocol User: Identifiable {
  var firstName: String { get set }
  var lastName: String { get set }
}

func printUserName(_ user: any User) {
  print("\(user.firstName) \(user.lastName)")
}

foxicode

import Foundation

struct Item {
  var name: String
  var price: Int
}

extension Array {
  func map<Value>(_ keyPath: KeyPath<Element, Value>) -> [Value] {
    map { $0[keyPath: keyPath] }

foxicode

import Foundation

protocol Hero {
  static func weapon() -> String
  static func fight()
}

extension Hero {
  static func fight() {
    print("Fighting with... \(weapon())")

foxicode

let point1 = (1.5, 0.5)
let point2 = (1.0, 0.0)
let point3 = (0.5, 0.5)

for point in [point1, point2, point3] {
  switch point {
  case let (x, y) where pow(x, 2) + pow(y, 2) < 1.0:
    print("Point \(x), \(y) is inside the circle")

  case let (x, y) where pow(x, 2) + pow(y, 2) == 1.0:

foxicode

import UIKit

extension UIViewController {
  @objc func altViewDidAppear(_ animated: Bool) {
    print("View did appear - \(type(of: self))")
    altViewDidAppear(animated)
  }

  static func swizzle() {
    let originalSelector = #selector(UIViewController.viewDidAppear(_:))

foxicode

protocol PItemCollection {
  associatedtype ItemType

  var items: [ItemType] { get set }
  mutating func add(item: ItemType)
  mutating func clear()
}

extension PItemCollection {
  mutating func add(item: ItemType) {