Enum, Loop, Equatable

Enum.swift

import UIKit

//var str = "Hello, playground"

enum direction: String, CaseIterable {
    case north
    case south
    case east
    case west
}

var d = "north"

for item in direction.allCases {
    print(item)
}

if(d == direction.north.rawValue) {
    print("true")
} else {
    print("false")
}