Set Swift version to 4.2, migrated to the new Hashable API

ActionKit.podspec

@@ -1,15 +1,16 @@
 Pod::Spec.new do |s|
-  s.name         = "ActionKit"
-  s.version      = "2.5.0"
-  s.summary      = "ActionKit is an easy to use framework that wraps the target-action design paradigm into closures/blocks."
-  s.description  = <<-DESC
-                    ActionKit is a light-weight, easy to use framework that wraps the target-action design paradigm into a less verbose, cleaner format. It shortens target-action method calls by removing the target and replacing the selector with a closure.
-                   DESC
-  s.homepage     = "https://github.com/ActionKit/ActionKit"
-  s.license      = { :type => "MIT", :file => "LICENSE" }
-  s.author       = { "Benjamin Hendricks" => "https://github.com/coolbnjmn" }
-  s.source       = { :git => "https://github.com/ActionKit/ActionKit.git", :tag => s.version.to_s }
-  s.platform 	 = :ios, '9.0'
-  s.requires_arc = true
-  s.source_files = 'ActionKit/*.swift'
+  s.name          = "ActionKit"
+  s.version       = "2.5.0"
+  s.summary       = "ActionKit is an easy to use framework that wraps the target-action design paradigm into closures/blocks."
+  s.description   = <<-DESC
+                     ActionKit is a light-weight, easy to use framework that wraps the target-action design paradigm into a less verbose, cleaner format. It shortens target-action method calls by removing the target and replacing the selector with a closure.
+                    DESC
+  s.homepage      = "https://github.com/ActionKit/ActionKit"
+  s.license       = { :type => "MIT", :file => "LICENSE" }
+  s.author        = { "Benjamin Hendricks" => "https://github.com/coolbnjmn" }
+  s.source        = { :git => "https://github.com/ActionKit/ActionKit.git", :tag => s.version.to_s }
+  s.platform      = :ios, '9.0'
+  s.requires_arc  = true
+  s.swift_version = '4.2'
+  s.source_files  = 'ActionKit/*.swift'
 end

ActionKit/ActionKit.swift

@@ -25,17 +25,17 @@ public enum ActionKitControlType: Hashable {
     case control(UIControl, UIControl.Event)
     case gestureRecognizer(UIGestureRecognizer, String)
     case barButtonItem(UIBarButtonItem)
-    
-    public var hashValue: Int {
-        get {
-            switch self {
-            case .control(let control, let controlEvent):
-                return control.hashValue &* controlEvent.hashValue
-            case .gestureRecognizer(let recognizer, let name):
-                return recognizer.hashValue &* name.hashValue
-            case .barButtonItem(let barButtonItem):
-                return barButtonItem.hashValue
-            }
+
+    public func hash(into hasher: inout Hasher) {
+        switch self {
+        case .control(let control, let controlEvent):
+            hasher.combine(control)
+            hasher.combine(controlEvent)
+        case .gestureRecognizer(let recognizer, let name):
+            hasher.combine(recognizer)
+            hasher.combine(name)
+        case .barButtonItem(let barButtonItem):
+            hasher.combine(barButtonItem)
         }
     }
 }

ActionKit/UIControl+ActionKit.swift

@@ -188,10 +188,11 @@ extension ActionKitSingleton {
 }
 
 extension UIControl.Event: Hashable {
-    public var hashValue: Int {
-        return Int(rawValue)
-    }
 
+    public func hash(into hasher: inout Hasher) {
+        hasher.combine(rawValue)
+    }
+
     public static var allValues: [UIControl.Event] {
         return [.touchDown, .touchDownRepeat, .touchDragInside, .touchDragOutside, .touchDragEnter,
                 .touchDragExit, .touchUpInside, .touchUpOutside, .touchCancel, .valueChanged,

ActionKitDemo.xcodeproj/project.pbxproj

@@ -363,7 +363,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "ActionKit.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/ActionKitDemo.app/ActionKitDemo";
 			};
 			name = Debug;
@@ -380,7 +380,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "ActionKit.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/ActionKitDemo.app/ActionKitDemo";
 			};
 			name = Release;
@@ -488,7 +488,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "ActionKit.${PRODUCT_NAME:rfc1034identifier}";
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
 		};
@@ -504,7 +504,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "ActionKit.${PRODUCT_NAME:rfc1034identifier}";
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Release;
 		};

Demo/AppDelegate.swift

@@ -13,7 +13,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
 
     var window: UIWindow?
 
-	func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey : Any]?) -> Bool {
+    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey : Any]?) -> Bool {
 		// Override point for customization after application launch.
 		return true
 	}

Demo/ViewController.swift

@@ -26,7 +26,7 @@ class ViewController: UIViewController {
     // Part of making old test button changed to tapped. This is what ActionKit tries to avoid doing
     // by removing the need to explicitly declare selector functions when a closure is all that's needed
     @objc func tappedSelector(_ sender: UIButton!) {
-        self.oldTestButton.setTitle("Old Tapped!", for: UIControlState())
+        self.oldTestButton.setTitle("Old Tapped!", for: UIControl.State())
     }
 
     override func viewDidLoad() {