From c714b9f1881f97b860bb6156b8c32f551299e972 Mon Sep 17 00:00:00 2001
From: Wojciech Nagrodzki <278594+wnagrodzki@users.noreply.github.com>
Date: Thu, 14 Mar 2019 18:35:41 +0100
Subject: [PATCH] Migrate to Swift 4.2

---
 .../project.pbxproj                           | 21 +++++++++++++------
 DragGestureRecognizer/AppDelegate.swift       |  2 +-
 .../DragGestureRecognizer.swift               |  2 +-
 3 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/DragGestureRecognizer.xcodeproj/project.pbxproj b/DragGestureRecognizer.xcodeproj/project.pbxproj
index 9ecd6ae..e0c7bab 100644
--- a/DragGestureRecognizer.xcodeproj/project.pbxproj
+++ b/DragGestureRecognizer.xcodeproj/project.pbxproj
@@ -196,15 +196,18 @@
 				TargetAttributes = {
 					2EA02D081D78A64800FEB930 = {
 						CreatedOnToolsVersion = 8.0;
+						LastSwiftMigration = 1010;
 						ProvisioningStyle = Automatic;
 					};
 					2EA02D1C1D78A64800FEB930 = {
 						CreatedOnToolsVersion = 8.0;
+						LastSwiftMigration = 1010;
 						ProvisioningStyle = Automatic;
 						TestTargetID = 2EA02D081D78A64800FEB930;
 					};
 					2EA02D271D78A64800FEB930 = {
 						CreatedOnToolsVersion = 8.0;
+						LastSwiftMigration = 1010;
 						ProvisioningStyle = Automatic;
 						TestTargetID = 2EA02D081D78A64800FEB930;
 					};
@@ -420,7 +423,8 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.wnagrodzki.DragGestureRecognizer;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
+				SWIFT_SWIFT3_OBJC_INFERENCE = On;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
 		};
@@ -432,7 +436,8 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.wnagrodzki.DragGestureRecognizer;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
+				SWIFT_SWIFT3_OBJC_INFERENCE = On;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Release;
 		};
@@ -445,7 +450,8 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.wnagrodzki.DragGestureRecognizerTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
+				SWIFT_SWIFT3_OBJC_INFERENCE = On;
+				SWIFT_VERSION = 4.2;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/DragGestureRecognizer.app/DragGestureRecognizer";
 			};
 			name = Debug;
@@ -459,7 +465,8 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.wnagrodzki.DragGestureRecognizerTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
+				SWIFT_SWIFT3_OBJC_INFERENCE = On;
+				SWIFT_VERSION = 4.2;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/DragGestureRecognizer.app/DragGestureRecognizer";
 			};
 			name = Release;
@@ -472,7 +479,8 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.wnagrodzki.DragGestureRecognizerUITests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
+				SWIFT_SWIFT3_OBJC_INFERENCE = On;
+				SWIFT_VERSION = 4.2;
 				TEST_TARGET_NAME = DragGestureRecognizer;
 			};
 			name = Debug;
@@ -485,7 +493,8 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.wnagrodzki.DragGestureRecognizerUITests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
+				SWIFT_SWIFT3_OBJC_INFERENCE = On;
+				SWIFT_VERSION = 4.2;
 				TEST_TARGET_NAME = DragGestureRecognizer;
 			};
 			name = Release;
diff --git a/DragGestureRecognizer/AppDelegate.swift b/DragGestureRecognizer/AppDelegate.swift
index e1f8305..0169909 100644
--- a/DragGestureRecognizer/AppDelegate.swift
+++ b/DragGestureRecognizer/AppDelegate.swift
@@ -30,7 +30,7 @@ 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
     }
diff --git a/DragGestureRecognizer/DragGestureRecognizer.swift b/DragGestureRecognizer/DragGestureRecognizer.swift
index b52ccfa..b524604 100644
--- a/DragGestureRecognizer/DragGestureRecognizer.swift
+++ b/DragGestureRecognizer/DragGestureRecognizer.swift
@@ -46,7 +46,7 @@ class DragGestureRecognizer: UILongPressGestureRecognizer {
         initialTouchLocationsInViews[inView] = initialLocation
     }
     
-    override var state: UIGestureRecognizerState {
+    override var state: UIGestureRecognizer.State {
         
         didSet {