Alexandr alexj70

UIFont

import UIKit.UIFont
protocol FontConvertible {
    func font(size: CGFloat) -> UIFont
}

extension FontConvertible where Self: RawRepresentable, Self.RawValue == String {
    func font(size: CGFloat) -> UIFont {
        return UIFont(font: self, size: size)

UIColor

enum ColorType: UInt32 {
    case tint = 0x005054ff
    case background = 0xF5F5F2ff
   
   var color: UIColor { return UIColor(type: self) }
}

extension UIColor {

UIImage for Assets

import UIKit.UIImage
public enum Asset: String, Iteratable {
    case iconBack = "Icon-Back"
    
    var image: UIImage {
        return UIImage(asset: self)
    }
}

Storyboard segue

import UIKit
protocol SegueHandler {
    associatedtype SegueIdentifier: RawRepresentable
}

extension SegueHandler where Self: UIViewController, SegueIdentifier.RawValue == String {
    
    func performSegue(withIdentifier identifier: SegueIdentifier, sender: Any?) {

NibLoaded View

import UIKit
protocol NibLoadableView: class {}
extension NibLoadableView where Self: UIView {
    static func fromNib() -> Self {
        return fromNib(nibName: nil)
    }
    
 static func fromNib(nibName: String?) -&gt; Self {

Guard self

guard let `self` = self else { return }

Using

UIView.animate(withDuration: 0.25) {
	[weak self] in
	guard let `self` = self else { return }
	self.isHidden = true

	enum NetworkResponse {
	case response(URLResponse, Data)
	case error(Error)
	}

	func processRequestResponse(_ response: NetworkResponse) {
	guard
	case let .response(urlResp, data) = response,
	let httpResp = urlResp as? HTTPURLResponse,
	200..<300 ~= httpResp.statusCode

	//////////////////////////////////
	enum Media {
	case book(title: String, author: String, year: Int)
	case movie(title: String, director: String, year: Int)
	case website(urlString: String)
	}

	let m = Media.movie(title: "Captain America: Civil War", director: "Russo Brothers", year: 2016)

	if case let Media.movie(title, _, _) = m {

	import UIKit
	extension UIStoryboard {
	/// Main storyboard
	public var main: UIStoryboard {
	return UIStoryboard(name: "Main", bundle: nil)
	}

	/// Instantiates and returns the view controller with the specified identifier.
	///
	/// - Parameter identifier: uniquely identifies equals to Class name

	//////////////////////////////////
	if case 200 ... 299 = statusCode {
	// do something
	}