Move the Swift version target to 4.2. (#15)

Author: andersio

.swift-version

@@ -1 +1 @@
-5.0
+4.2

Cartfile.resolved

@@ -1,3 +1,3 @@
 github "Quick/Nimble" "v8.0.1"
-github "Quick/Quick" "v2.0.0"
-github "jspahrsummers/xcconfigs" "0.12"
+github "Quick/Quick" "v2.1.0"
+github "jspahrsummers/xcconfigs" "1.0"

Carthage/Checkouts/Quick

@@ -16,5 +16,5 @@ Pod::Spec.new do |s|
   s.source       = { :git => "https://github.com/RACCommunity/FlexibleDiff.git", :tag => "#{s.version}" }
 
   s.source_files  = "FlexibleDiff/*.{swift}"
-  s.swift_version = "5.0"
+  s.swift_version = "4.2"
 end

Carthage/Checkouts/xcconfigs

@@ -839,6 +839,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = org.reactivecocoa.FlexibleDiff;
 				PRODUCT_NAME = FlexibleDiff;
 				SDKROOT = macosx;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
 		};
@@ -853,6 +854,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = org.reactivecocoa.FlexibleDiff;
 				PRODUCT_NAME = FlexibleDiff;
 				SDKROOT = macosx;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Release;
 		};
@@ -867,6 +869,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = org.reactivecocoa.FlexibleDiff;
 				PRODUCT_NAME = FlexibleDiff;
 				SDKROOT = appletvos;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
 		};
@@ -881,6 +884,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = org.reactivecocoa.FlexibleDiff;
 				PRODUCT_NAME = FlexibleDiff;
 				SDKROOT = appletvos;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Release;
 		};
@@ -945,7 +949,7 @@
 				PRODUCT_NAME = FlexibleDiffTests;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -1003,7 +1007,7 @@
 				PRODUCT_NAME = FlexibleDiffTests;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VALIDATE_PRODUCT = YES;
 			};
@@ -1268,6 +1272,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = org.reactivecocoa.WordList;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = iphoneos;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -1284,6 +1289,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = org.reactivecocoa.WordList;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = iphoneos;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Release;
@@ -1300,7 +1306,7 @@
 				MTL_ENABLE_DEBUG_INFO = YES;
 				SDKROOT = macosx;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -1319,7 +1325,7 @@
 				MACOSX_DEPLOYMENT_TARGET = 10.9;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -1338,7 +1344,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = org.reactivecocoa.FlexibleDiff;
 				PRODUCT_NAME = FlexibleDiff;
 				SDKROOT = iphoneos;
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
 		};
@@ -1353,7 +1359,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = org.reactivecocoa.FlexibleDiff;
 				PRODUCT_NAME = FlexibleDiff;
 				SDKROOT = iphoneos;
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Release;
 		};

FlexibleDiff.podspec

@@ -4,9 +4,9 @@ import UIKit
 class AppDelegate: UIResponder, UIApplicationDelegate {
 	var window: UIWindow?
 
-	func application(
+	internal func application(
 		_ application: UIApplication,
-		didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?
+		didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
 	) -> Bool {
 		let window = UIWindow()
 		self.window = window

FlexibleDiff.xcodeproj/project.pbxproj

@@ -4,7 +4,7 @@ class WordCell: UITableViewCell {
 	private let wordLabel: UILabel
 	private let uuidLabel: UILabel
 
-	override init(style: UITableViewCellStyle, reuseIdentifier: String?) {
+	override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
 		wordLabel = UILabel()
 		uuidLabel = UILabel()
 

WordList/AppDelegate.swift

@@ -26,7 +26,7 @@ class WordListViewController: UIViewController {
 		tableView.dataSource = self
 		tableView.delegate = self
 		tableView.estimatedRowHeight = 44.0
-		tableView.rowHeight = UITableViewAutomaticDimension
+		tableView.rowHeight = UITableView.automaticDimension
 	}
 
     override func viewDidLoad() {
@@ -45,7 +45,7 @@ class WordListViewController: UIViewController {
 		viewModel.userDidTapActionButton()
 	}
 
-	override func motionEnded(_ motion: UIEventSubtype, with event: UIEvent?) {
+	override func motionEnded(_ motion: UIEvent.EventSubtype, with event: UIEvent?) {
 		super.motionEnded(motion, with: event)
 
 		if motion == .motionShake {

WordList/WordCell.swift

@@ -62,7 +62,7 @@ final class WordListViewModel {
 			completion(true)
 
 			self.update { words in
-				guard let index = words.index(where: { $0.identifier == word.identifier })
+				guard let index = words.firstIndex(where: { $0.identifier == word.identifier })
 					else { return }
 				words[index] = word.updating(input)
 			}
@@ -71,7 +71,7 @@ final class WordListViewModel {
 
 	func deleteWord(_ word: Word) -> Bool {
 		return update { words in
-			guard let index = words.index(where: { $0.identifier == word.identifier })
+			guard let index = words.firstIndex(where: { $0.identifier == word.identifier })
 				else { return false }
 			words.remove(at: index)
 			return true
@@ -118,22 +118,3 @@ final class WordListViewModel {
 		return result
 	}
 }
-
-private extension RangeReplaceableCollection {
-	func shuffled() -> Self {
-		var elements = self
-
-		for i in 0 ..< Int(elements.count) {
-			let distance = Int(arc4random() >> 1) % Int(elements.count)
-			let random = elements.index(elements.startIndex, offsetBy: IndexDistance(distance))
-			let index = elements.index(elements.startIndex, offsetBy: IndexDistance(i))
-			guard random != index else { continue }
-
-			let temp = elements[index]
-			elements.replaceSubrange(index ..< elements.index(after: index), with: CollectionOfOne(elements[random]))
-			elements.replaceSubrange(random ..< elements.index(after: random), with: CollectionOfOne(temp))
-		}
-
-		return elements
-	}
-}