Convert to Swift 5

Author: tattn

MoreCodable.xcodeproj/project.pbxproj

@@ -218,12 +218,12 @@
 				TargetAttributes = {
 					24A4FF3E20302322001618E1 = {
 						CreatedOnToolsVersion = 9.2;
-						LastSwiftMigration = 1000;
+						LastSwiftMigration = 1020;
 						ProvisioningStyle = Automatic;
 					};
 					24A4FF5320302490001618E1 = {
 						CreatedOnToolsVersion = 9.2;
-						LastSwiftMigration = 1000;
+						LastSwiftMigration = 1020;
 						ProvisioningStyle = Automatic;
 					};
 				};
@@ -234,6 +234,7 @@
 			hasScannedForEncodings = 0;
 			knownRegions = (
 				en,
+				Base,
 			);
 			mainGroup = 24A4FF3520302321001618E1;
 			productRefGroup = 24A4FF4020302322001618E1 /* Products */;
@@ -370,6 +371,7 @@
 				SDKROOT = iphoneos;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 5.0;
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
 			};
@@ -424,6 +426,7 @@
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
+				SWIFT_VERSION = 5.0;
 				VALIDATE_PRODUCT = YES;
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -447,7 +450,6 @@
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -468,7 +470,6 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.github.tattn.MoreCodable;
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Release;
@@ -482,7 +483,6 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.github.tattn.MoreCodableTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -496,7 +496,6 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.github.tattn.MoreCodableTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Release;