RFC: go back to swift 5

.swiftformat

@@ -1,6 +1,6 @@
 # file options
 
---swiftversion 5.1
+--swiftversion 5.0
 --exclude .build
 
 # format options

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.2
+// swift-tools-version:5.0
 
 import PackageDescription
 
@@ -36,7 +36,6 @@ let package = Package(
             .product(name: "NIOFoundationCompat", package: "swift-nio"),
         ]),
         .testTarget(name: "AWSLambdaRuntimeTests", dependencies: [
-            .byName(name: "AWSLambdaRuntimeCore"),
             .byName(name: "AWSLambdaRuntime"),
         ]),
         .target(name: "AWSLambdaEvents", dependencies: []),

Sources/AWSLambdaEvents/AWSRegion.swift

@@ -26,56 +26,56 @@ public struct AWSRegion: RawRepresentable, Equatable {
     }
 
     static var all: [AWSRegion] = [
-        Self.ap_northeast_1,
-        Self.ap_northeast_2,
-        Self.ap_east_1,
-        Self.ap_southeast_1,
-        Self.ap_southeast_2,
-        Self.ap_south_1,
-        Self.cn_north_1,
-        Self.cn_northwest_1,
-        Self.eu_north_1,
-        Self.eu_west_1,
-        Self.eu_west_2,
-        Self.eu_west_3,
-        Self.eu_central_1,
-        Self.us_east_1,
-        Self.us_east_2,
-        Self.us_west_1,
-        Self.us_west_2,
-        Self.us_gov_east_1,
-        Self.us_gov_west_1,
-        Self.ca_central_1,
-        Self.sa_east_1,
-        Self.me_south_1,
+        AWSRegion.ap_northeast_1,
+        AWSRegion.ap_northeast_2,
+        AWSRegion.ap_east_1,
+        AWSRegion.ap_southeast_1,
+        AWSRegion.ap_southeast_2,
+        AWSRegion.ap_south_1,
+        AWSRegion.cn_north_1,
+        AWSRegion.cn_northwest_1,
+        AWSRegion.eu_north_1,
+        AWSRegion.eu_west_1,
+        AWSRegion.eu_west_2,
+        AWSRegion.eu_west_3,
+        AWSRegion.eu_central_1,
+        AWSRegion.us_east_1,
+        AWSRegion.us_east_2,
+        AWSRegion.us_west_1,
+        AWSRegion.us_west_2,
+        AWSRegion.us_gov_east_1,
+        AWSRegion.us_gov_west_1,
+        AWSRegion.ca_central_1,
+        AWSRegion.sa_east_1,
+        AWSRegion.me_south_1,
     ]
 
-    public static var ap_northeast_1: Self { AWSRegion(rawValue: "ap-northeast-1")! }
-    public static var ap_northeast_2: Self { AWSRegion(rawValue: "ap-northeast-2")! }
-    public static var ap_east_1: Self { AWSRegion(rawValue: "ap-east-1")! }
-    public static var ap_southeast_1: Self { AWSRegion(rawValue: "ap-southeast-1")! }
-    public static var ap_southeast_2: Self { AWSRegion(rawValue: "ap-southeast-2")! }
-    public static var ap_south_1: Self { AWSRegion(rawValue: "ap-south-1")! }
+    public static var ap_northeast_1: AWSRegion { return AWSRegion(rawValue: "ap-northeast-1")! }
+    public static var ap_northeast_2: AWSRegion { return AWSRegion(rawValue: "ap-northeast-2")! }
+    public static var ap_east_1: AWSRegion { return AWSRegion(rawValue: "ap-east-1")! }
+    public static var ap_southeast_1: AWSRegion { return AWSRegion(rawValue: "ap-southeast-1")! }
+    public static var ap_southeast_2: AWSRegion { return AWSRegion(rawValue: "ap-southeast-2")! }
+    public static var ap_south_1: AWSRegion { return AWSRegion(rawValue: "ap-south-1")! }
 
-    public static var cn_north_1: Self { AWSRegion(rawValue: "cn-north-1")! }
-    public static var cn_northwest_1: Self { AWSRegion(rawValue: "cn-northwest-1")! }
+    public static var cn_north_1: AWSRegion { return AWSRegion(rawValue: "cn-north-1")! }
+    public static var cn_northwest_1: AWSRegion { return AWSRegion(rawValue: "cn-northwest-1")! }
 
-    public static var eu_north_1: Self { AWSRegion(rawValue: "eu-north-1")! }
-    public static var eu_west_1: Self { AWSRegion(rawValue: "eu-west-1")! }
-    public static var eu_west_2: Self { AWSRegion(rawValue: "eu-west-2")! }
-    public static var eu_west_3: Self { AWSRegion(rawValue: "eu-west-3")! }
-    public static var eu_central_1: Self { AWSRegion(rawValue: "eu-central-1")! }
+    public static var eu_north_1: AWSRegion { return AWSRegion(rawValue: "eu-north-1")! }
+    public static var eu_west_1: AWSRegion { return AWSRegion(rawValue: "eu-west-1")! }
+    public static var eu_west_2: AWSRegion { return AWSRegion(rawValue: "eu-west-2")! }
+    public static var eu_west_3: AWSRegion { return AWSRegion(rawValue: "eu-west-3")! }
+    public static var eu_central_1: AWSRegion { return AWSRegion(rawValue: "eu-central-1")! }
 
-    public static var us_east_1: Self { AWSRegion(rawValue: "us-east-1")! }
-    public static var us_east_2: Self { AWSRegion(rawValue: "us-east-2")! }
-    public static var us_west_1: Self { AWSRegion(rawValue: "us-west-1")! }
-    public static var us_west_2: Self { AWSRegion(rawValue: "us-west-2")! }
-    public static var us_gov_east_1: Self { AWSRegion(rawValue: "us-gov-east-1")! }
-    public static var us_gov_west_1: Self { AWSRegion(rawValue: "us-gov-west-1")! }
+    public static var us_east_1: AWSRegion { return AWSRegion(rawValue: "us-east-1")! }
+    public static var us_east_2: AWSRegion { return AWSRegion(rawValue: "us-east-2")! }
+    public static var us_west_1: AWSRegion { return AWSRegion(rawValue: "us-west-1")! }
+    public static var us_west_2: AWSRegion { return AWSRegion(rawValue: "us-west-2")! }
+    public static var us_gov_east_1: AWSRegion { return AWSRegion(rawValue: "us-gov-east-1")! }
+    public static var us_gov_west_1: AWSRegion { return AWSRegion(rawValue: "us-gov-west-1")! }
 
-    public static var ca_central_1: Self { AWSRegion(rawValue: "ca-central-1")! }
-    public static var sa_east_1: Self { AWSRegion(rawValue: "sa-east-1")! }
-    public static var me_south_1: Self { AWSRegion(rawValue: "me-south-1")! }
+    public static var ca_central_1: AWSRegion { return AWSRegion(rawValue: "ca-central-1")! }
+    public static var sa_east_1: AWSRegion { return AWSRegion(rawValue: "sa-east-1")! }
+    public static var me_south_1: AWSRegion { return AWSRegion(rawValue: "me-south-1")! }
 }
 
 extension AWSRegion: Codable {

Sources/AWSLambdaEvents/Cloudwatch.swift

@@ -18,12 +18,12 @@ import struct Foundation.Date
 typealias EventBridge = Cloudwatch
 
 public protocol CloudwatchDetail: Decodable {
-    static var name: String { get }
+    static var typeName: String { get }
 }
 
 public extension CloudwatchDetail {
     var detailType: String {
-        Self.name
+        return Self.typeName
     }
 }
 
@@ -65,7 +65,7 @@ public enum Cloudwatch {
             self.resources = try container.decode([String].self, forKey: .resources)
 
             let detailType = try container.decode(String.self, forKey: .detailType)
-            guard detailType.lowercased() == Detail.name.lowercased() else {
+            guard detailType.lowercased() == Detail.typeName.lowercased() else {
                 throw DetailTypeMismatch(name: detailType, type: Detail.self)
             }
 
@@ -77,13 +77,13 @@ public enum Cloudwatch {
 
     public typealias ScheduledEvent = Event<Scheduled>
     public struct Scheduled: CloudwatchDetail {
-        public static let name = "Scheduled Event"
+        public static let typeName = "Scheduled Event"
     }
 
     public enum EC2 {
         public typealias InstanceStateChangeNotificationEvent = Event<InstanceStateChangeNotification>
         public struct InstanceStateChangeNotification: CloudwatchDetail {
-            public static let name = "EC2 Instance State-change Notification"
+            public static let typeName = "EC2 Instance State-change Notification"
 
             public enum State: String, Codable {
                 case running
@@ -104,7 +104,7 @@ public enum Cloudwatch {
 
         public typealias SpotInstanceInterruptionNoticeEvent = Event<SpotInstanceInterruptionNotice>
         public struct SpotInstanceInterruptionNotice: CloudwatchDetail {
-            public static let name = "EC2 Spot Instance Interruption Warning"
+            public static let typeName = "EC2 Spot Instance Interruption Warning"
 
             public enum Action: String, Codable {
                 case hibernate