mehmetfarhan

public extension Sequence {
    func group<K: Hashable & Comparable>(by keyForValue: (Element) -> K) -> [[Element]] {
        return Dictionary(grouping: self, by: keyForValue).sorted { $0.key < $1.key }.map { $0.value }
    }
}

mehmetfarhan

import AVFoundation
import UIKit

public class ScannerOverlayPreviewLayer: AVCaptureVideoPreviewLayer {

    // MARK: - OverlayScannerPreviewLayer

    public var cornerLength: CGFloat = 30

    public var lineWidth: CGFloat = 6

mehmetfarhan

import UIKit
import PlaygroundSupport

final class ViewController: UIViewController {
    
    // Step 1
    lazy private var draggableView: UIView = {
        let view = UIView(frame: CGRect(origin: .zero, size: CGSize(width: 50, height: 50)))
        view.backgroundColor = .red
        return view

mehmetfarhan

import Foundation
import Firebase

struct RemoteConfigModel {
    var url: String?
    var forceUpdate: String?
    var version: String?
}

final class RemoteConfigManager {

mehmetfarhan

import UIKit

final class Increment {
    
    // MARK: - Properties
    
    private var number: Int = 0
    
    // MARK: - This will cause memory leak
//    lazy var incrementNumber: (Int) -> Void = { value in

mehmetfarhan

import UIKit

/*
 Destructuring is the practice of pulling a tuple apart into multiple values in a single assignment.
 */

// MARK: - Destructuring

extension String {
    var splittedName: (String, String) {