foxicode

import UIKit

@propertyWrapper
struct HeaderStyle {
  var wrappedValue: UILabel

  init(_ label: UILabel = .init()) {
    label.numberOfLines = 0
    label.font = UIFont(name: "Helvetica Neue", size: 32)
    label.textColor = UIColor(red: 0.16, green: 0.16, blue: 0.16, alpha: 1.00)

foxicode

import SnapKit
import UIKit

class ViewControllerLayout: Layout {
  lazy var square = UIView(backgroundColor: .red)

  lazy var circle = UIView(
    backgroundColor: .blue.withAlphaComponent(0.9),
    cornerRadius: 50
  )

foxicode

import UIKit

class Layout: UIView {
  required init() {
    super.init(frame: .zero)

    backgroundColor = .white
    layer.masksToBounds = true
  }

foxicode

import UIKit

extension UIView {
  convenience init(backgroundColor: UIColor) {
    self.init()

    self.backgroundColor = backgroundColor
  }

  convenience init(backgroundColor: UIColor, cornerRadius: CGFloat) {

foxicode

import SnapKit
import UIKit

extension ConstraintMaker {
  func square(view: UIView) {
    width.equalTo(view.snp.height)
  }

  func square(size: CGFloat) {
    width.equalTo(size)

foxicode

import SnapKit
import UIKit

extension ConstraintMaker {
  func fillHorizontally(margin: CGFloat = 0) {
    leading.equalToSuperview().offset(margin)
    trailing.equalToSuperview().offset(-margin)
  }

  func fillVertically(margin: CGFloat = 0) {

foxicode

import SnapKit
import UIKit

extension UIView {
  func addSubview(_ view: UIView, closure: (ConstraintMaker) -> Void) {
    addSubview(view)
    view.snp.makeConstraints(closure)
  }
}

foxicode

import SnapKit
import UIKit

class ViewControllerLayout: UIView {
  lazy var square: UIView = {
    let view = UIView()
    view.backgroundColor = .red
    return view
  }()

foxicode

enum Access {
  case create
  case read
  case write
  case delete
}

protocol PFile {
  func open(access: Access)
  func close()

foxicode

import Foundation

let b1 = Bool("1") // nil
let b0 = Bool("0") // nil
let bYes = Bool("YES") // nil
let bNo = Bool("NO") // nil
let bTrue = Bool("true") // true
let bFalse = Bool("false") // false

print(true) // "true\n"