Updates all targets to Swift 4.2

Author: Stefan van den Oord

Demo tvOS/ViewController.swift

@@ -11,7 +11,7 @@ class ViewController: UIViewController {
     @IBOutlet weak var label4: UILabel!
 
     override func viewWillAppear(_ animated: Bool) {
-        let text1 = "This is some text".fontSize(27).color(.blue).strikeThrough(style: .styleDouble)
+        let text1 = "This is some text".fontSize(27).color(.blue).strikeThrough(style: .double)
         let text2 = "This is some text".fontSize(27).color(.red).obliqueness(0.5).expansion(0.5)
         let text3 = text1 + text2.color(.red)
         let text4 = loremIpsum.paragraphStyle {

Demo watchOS Extension/InterfaceController.swift

@@ -13,7 +13,7 @@ class InterfaceController: WKInterfaceController {
     override func awake(withContext context: Any?) {
         super.awake(withContext: context)
 
-        let text1 = "This is some text".fontSize(17).color(.blue).strikeThrough(style: .styleDouble)
+        let text1 = "This is some text".fontSize(17).color(.blue).strikeThrough(style: .double)
         let text2 = "This is some text".fontSize(17).color(.red).obliqueness(0.5).expansion(0.5)
         let text3 = text1 + text2.color(.red)
 

Demo_iOS/ViewController.swift

@@ -11,7 +11,7 @@ class ViewController: UIViewController {
     @IBOutlet weak var label4: UILabel!
 
     override func viewWillAppear(_ animated: Bool) {
-        let text1 = "This is some text".fontSize(17).color(.blue).strikeThrough(style: .styleDouble)
+        let text1 = "This is some text".fontSize(17).color(.blue).strikeThrough(style: .double)
         let text2 = "This is some text".fontSize(17).color(.red).obliqueness(0.5).expansion(0.5)
         let text3 = text1 + text2.color(.red)
         let text4 = loremIpsum.paragraphStyle {

Demo_macOS/ViewController.swift

@@ -11,7 +11,7 @@ class ViewController: NSViewController {
     override func viewWillAppear() {
         super.viewWillAppear()
         if let text1 = "This is some text"
-            .fontSize(17)?.color(.blue).strikeThrough(style: .styleDouble) {
+            .fontSize(17)?.color(.blue).strikeThrough(style: .double) {
             label1.attributedStringValue = text1
         }