Swift 6

Author: swhitty

.github/workflows/build.yml

@@ -6,13 +6,15 @@ on:
   workflow_dispatch:
 
 jobs:
-  xcode_15_2:
+  xcode_16:
     runs-on: macos-14
-    env:
-      DEVELOPER_DIR: /Applications/Xcode_15.2.app/Contents/Developer
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+      - name: 🔍 Xcode Select
+        run: |
+          XCODE_PATH=`mdfind "kMDItemCFBundleIdentifier == 'com.apple.dt.Xcode' && kMDItemVersion == '16.0'" -onlyin /Applications | head -1`
+          echo "DEVELOPER_DIR=$XCODE_PATH/Contents/Developer" >> $GITHUB_ENV
       - name: Version
         run: swift --version
       - name: Build
@@ -27,10 +29,24 @@ jobs:
           token: ${{ secrets.CODECOV_TOKEN }}
           files: ./coverage_report.lcov
 
-  xcode_14_3_1:
-    runs-on: macos-13
+  xcode_15_4:
+    runs-on: macos-14
+    env:
+      DEVELOPER_DIR: /Applications/Xcode_15.4.app/Contents/Developer
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Version
+        run: swift --version
+      - name: Build
+        run: swift build --build-tests
+      - name: Test
+        run: swift test --skip-build
+
+  xcode_15_2:
+    runs-on: macos-14
     env:
-      DEVELOPER_DIR: /Applications/Xcode_14.3.1.app/Contents/Developer
+      DEVELOPER_DIR: /Applications/Xcode_15.2.app/Contents/Developer
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -54,9 +70,9 @@ jobs:
       - name: Test
         run: swift test --skip-build
 
-  linux_swift_5_9_2:
+  linux_swift_5_9:
     runs-on: ubuntu-latest
-    container: swift:5.9.2
+    container: swift:5.9
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -67,9 +83,9 @@ jobs:
       - name: Test
         run: swift test --skip-build
 
-  linux_swift_5_8:
+  linux_swift_6_0:
     runs-on: ubuntu-latest
-    container: swift:5.8
+    container: swiftlang/swift:nightly-6.0-jammy
     steps:
       - name: Checkout
         uses: actions/checkout@v4

Package.swift

@@ -1,10 +1,10 @@
-// swift-tools-version:5.8
+// swift-tools-version:6.0
 import PackageDescription
 
 let package = Package(
     name: "KeyValueCoder",
     platforms: [
-        .macOS(.v13), .iOS(.v15)
+        .macOS(.v13), .iOS(.v15), .tvOS(.v15), .watchOS(.v8)
     ],
     products: [
         .library(
@@ -32,7 +32,7 @@ extension Array where Element == SwiftSetting {
     static var upcomingFeatures: [SwiftSetting] {
         [
             .enableUpcomingFeature("ExistentialAny"),
-            .enableExperimentalFeature("StrictConcurrency")
+            .swiftLanguageMode(.v6)
         ]
     }
 }

Package@swift-5.9.swift

@@ -0,0 +1,38 @@
+// swift-tools-version:5.9
+import PackageDescription
+
+let package = Package(
+    name: "KeyValueCoder",
+    platforms: [
+        .macOS(.v13), .iOS(.v15), .tvOS(.v15), .watchOS(.v8)
+    ],
+    products: [
+        .library(
+            name: "KeyValueCoder",
+            targets: ["KeyValueCoder"]
+        ),
+    ],
+    targets: [
+        .target(
+            name: "KeyValueCoder",
+            path: "Sources",
+            swiftSettings: .upcomingFeatures
+        ),
+        .testTarget(
+            name: "KeyValueCoderTests",
+            dependencies: ["KeyValueCoder"],
+            path: "Tests",
+            swiftSettings: .upcomingFeatures
+        )
+    ]
+)
+
+extension Array where Element == SwiftSetting {
+
+    static var upcomingFeatures: [SwiftSetting] {
+        [
+            .enableUpcomingFeature("ExistentialAny"),
+            .enableExperimentalFeature("StrictConcurrency")
+        ]
+    }
+}

Sources/KeyValueDecoder.swift

@@ -213,20 +213,6 @@ private extension KeyValueDecoder {
             }
         }
 
-//        func getDoubleValue(from value: Any, using strategy: IntDecodingStrategy) -> Double? {
-//            guard let double = (value as? NSNumber)?.getDoubleValue() else {
-//                return nil
-//            }
-//            switch strategy {
-//            case .exact:
-//                return double
-//            case .rounded(rule: let rule):
-//                return double.rounded(rule)
-//            case .clamping(rule: let rule):
-//                return double.rounded(rule)
-//            }
-//        }
-
         func decode(_ type: Bool.Type) throws -> Bool {
             try getValue()
         }

Tests/KeyValueEncoderTests.swift

@@ -54,7 +54,7 @@ final class KeyValueEncodedTests: XCTestCase {
     }
 
     func testSingleContainer_Encodes_Duration() throws {
-        guard #available(iOS 16.0, macOS 13.0, *) else { return }
+        guard #available(iOS 16.0, tvOS 16.0, watchOS 9.0, *) else { return }
         XCTAssertEqual(
             try KeyValueEncoder.encodeSingleValue {
                 try $0.encode(Duration.nanoseconds(1))
@@ -716,7 +716,7 @@ private struct StubEncoder: Encodable {
     }
 }
 
-extension AnyCodingKey: ExpressibleByStringLiteral {
+extension AnyCodingKey: Swift.ExpressibleByStringLiteral {
     public init(stringLiteral value: String) {
         self.init(stringValue: value)
     }
@@ -737,7 +737,7 @@ struct Node: Codable, Equatable {
     }
 }
 
-extension KeyValueEncoder.EncodedValue: Equatable {
+extension KeyValueEncoder.EncodedValue: Swift.Equatable {
 
     public static func ==(lhs: Self, rhs: Self) -> Bool {
         do {