migrate to swift 4.2/xcode 10

Author: twittemb

RxReduce.xcodeproj/project.pbxproj

@@ -223,10 +223,11 @@
 				TargetAttributes = {
 					1A2A7566208D474F009883BF = {
 						CreatedOnToolsVersion = 9.3;
-						LastSwiftMigration = 0930;
+						LastSwiftMigration = 1000;
 					};
 					1A2A756F208D4750009883BF = {
 						CreatedOnToolsVersion = 9.3;
+						LastSwiftMigration = 1000;
 					};
 				};
 			};
@@ -466,7 +467,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -497,7 +498,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = io.warpfactor.RxReduce;
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Release;
@@ -520,7 +521,7 @@
 				);
 				PRODUCT_BUNDLE_IDENTIFIER = io.warpfactor.RxReduceTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -543,7 +544,7 @@
 				);
 				PRODUCT_BUNDLE_IDENTIFIER = io.warpfactor.RxReduceTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Release;

RxReduceDemo/RxReduceDemo.xcodeproj/project.pbxproj

@@ -259,6 +259,7 @@
 				TargetAttributes = {
 					4A3BB47F20939F9000B1E37F = {
 						CreatedOnToolsVersion = 9.3;
+						LastSwiftMigration = 1000;
 					};
 				};
 			};
@@ -499,7 +500,7 @@
 				);
 				PRODUCT_BUNDLE_IDENTIFIER = io.warpfactor.RxReduceDemo;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -521,7 +522,7 @@
 				);
 				PRODUCT_BUNDLE_IDENTIFIER = io.warpfactor.RxReduceDemo;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Release;

RxReduceDemo/RxReduceDemo/Features/MovieList/MovieListViewController.swift

@@ -23,7 +23,7 @@ final class MovieListViewController: UITableViewController, StoryboardBased, Vie
     private var movies = [DiscoverMovieModel]()
 
     private lazy var activityIndicator: UIActivityIndicatorView = {
-        let indicator = UIActivityIndicatorView(activityIndicatorStyle: .gray)
+        let indicator = UIActivityIndicatorView(style: .gray)
         indicator.hidesWhenStopped = true
         indicator.color = .black
         indicator.frame = self.view.frame