Removed .swift-version file, and added explicit spec.swift_version (4…

….2) in podspec. All files (podfile, podspec, and all proj files in xcode) now target iOS 11.4, and Swift 4.2. Incremented the version number.

.swiftlint.yml

@@ -0,0 +1,27 @@
+disabled_rules: # rules from the default set that we want turned off
+    - identifier_name
+    - legacy_hashing
+    - statement_position
+    - todo
+    - trailing_whitespace
+opt_in_rules:
+    - sorted_imports
+    - trailing_closure
+    - empty_count
+    - empty_string
+excluded: # paths to ignore during linting. Takes precedence over `included`.
+  - Pods
+
+# configurable rules can be customized from this configuration file
+# binary rules can set their severity level
+line_length: 145
+function_body_length:
+    warning: 50
+    error: 100
+type_name:
+  min_length: 3 # only warning
+  max_length: # warning and error
+    warning: 42
+    error: 50
+function_body_length:
+  excluded: ".*Test\\.swift"

Concurrency.podspec

@@ -17,6 +17,7 @@ Pod::Spec.new do |s|
 
   s.platform              = :ios, "11.4"
   s.ios.deployment_target = '11.4'
+  s.swift_version = '4.2'
 
   s.source_files = 'Source/*'
 end

Concurrency.xcodeproj/project.pbxproj

@@ -520,7 +520,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.JakeHawken.Concurrency;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -538,7 +538,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.JakeHawken.Concurrency;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Release;
@@ -556,7 +556,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.JakeHawken.ConcurrencyTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/Concurrency.app/Concurrency";
 			};
@@ -575,7 +575,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.JakeHawken.ConcurrencyTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/Concurrency.app/Concurrency";
 			};

Podfile

@@ -1,4 +1,4 @@
-platform :ios, '11.0'
+platform :ios, '11.4'
 inhibit_all_warnings!
 
 target 'Concurrency' do