jgsamudio

enum Fruits: String {
    case apple
    case banana
    case strawberry
    case kiwi

    static var allCases: [Fruits] {
        return [.apple, .banana, .strawberry, .kiwi]
    }

jgsamudio

public protocol CaseIterable {

    /// A type that can represent a collection of all values of this type.
    associatedtype AllCases : Collection where Self.AllCases.Element == Self

    /// A collection of all values of this type.
    public static var allCases: Self.AllCases { get }
}

jgsamudio

enum Fruits: String, CaseIterable {
    case apple
    case banana
    case strawberry
    case kiwi
    
    static func printFruits() {
        for fruit in Fruits.allCases {
            print(fruit)
        }

jgsamudio

struct User: Equatable {
    let userId: String
    let email: String
    let lovesFruits: Bool

    static func == (lhs: User, rhs: User) -> Bool {
        return lhs.userId == rhs.userId &&
            lhs.email == rhs.email &&
            lhs.lovesFruits == rhs.lovesFruits
    }

jgsamudio

struct User: Equatable {
    let userId: String
    let email: String
    let lovesFruits: Bool
}

jgsamudio

struct UserInfo {
    
    let userArray1 = [User(userId: "1", email: "something@gmail.com", lovesFruits: true),
                      User(userId: "2", email: "something@gmail.com", lovesFruits: true)]
    
    let userArray2 = [User(userId: "1", email: "something@gmail.com", lovesFruits: false),
                      User(userId: "2", email: "something@gmail.com", lovesFruits: false)]
    
    func areArraysEqual() -> Bool {
        return userArray1 == userArray2

jgsamudio

extension Array: Equatable where Element: Equatable {
  
  static func ==(lhs: Array<Element>, rhs: Array<Element>) -> Bool {
    let count = lhs.count
    if count != rhs.count { return false }
    for x in 0..<count {
      if lhs[x] != rhs[x] { return false }
    }
    return true
  }

jgsamudio

#if os(iOS) || os(tvOS) || os(watchOS) || os(macOS)
 return Int(arc4random())
#else
 return random() // or Int(rand())
#endif

jgsamudio

let randomIntFrom0To10 = Int.random(in: 0 ..< 10)
let randomFloat = Float.random(in: 0 ..< 1)

jgsamudio

final class CssParser {
    
    /// Parses the CSS file string into an array of CSS styles.
    ///
    /// - Parameter fileContent: CSS file content.
    /// - Returns: Array of CSS styles.
    static func parse(fileContent: String) -> [CssStyle] {
        var styles = [CssStyle]()
        var pendingStyleName = ""
        var pendingStyleProperties = [String: String]()