[#113] Enabled Concurrency Checking (#155)

* Enabled complete concurrency checking in `Package.swift`
* Added Swift 6 and Xcode 16 to GitHub Actions workflows

.github/workflows/Common.yml

@@ -16,15 +16,18 @@ on:
         type: boolean
         required: true
 env:
-  XCODE_PATH: "/Applications/Xcode_15.3.app"
+  XCODE_PATH: "/Applications/Xcode_16.0.app"
 jobs:
   spm_tests_macos:
     name: SPM Tests (Swift ${{ matrix.SWIFT_VERSION }} on macOS)
     runs-on: ${{ matrix.OS }}
     strategy:
       matrix:
-        SWIFT_VERSION: ["5.10", "5.9"]
+        SWIFT_VERSION: ["6.0", "5.10", "5.9"]
         include:
+          - SWIFT_VERSION: "6.0"
+            OS: macos-14
+            XCODE_APP_NAME: "Xcode_16.0"
           - SWIFT_VERSION: "5.10"
             OS: macos-14
             XCODE_APP_NAME: "Xcode_15.3"

.github/workflows/Release.yml

@@ -3,7 +3,7 @@ on:
   release:
     types: [published]
 env:
-  XCODE_PATH: "/Applications/Xcode_15.3.app"
+  XCODE_PATH: "/Applications/Xcode_16.0.app"
 jobs:
   run_common_checks:
     uses: ./.github/workflows/Common.yml

Package.swift

@@ -17,12 +17,19 @@ let package = Package(
     targets: [
         .target(
             name: "YMFF",
-            dependencies: ["YMFFProtocols"]
+            dependencies: ["YMFFProtocols"],
+            swiftSettings: swiftSettings
         ),
-        .target(name: "YMFFProtocols"),
+        .target(name: "YMFFProtocols", swiftSettings: swiftSettings),
         .testTarget(
             name: "YMFFTests",
-            dependencies: ["YMFF"]
+            dependencies: ["YMFF"],
+            swiftSettings: swiftSettings
         ),
     ]
 )
+
+fileprivate let swiftSettings: [SwiftSetting] = [
+    .enableExperimentalFeature("StrictConcurrency"),
+    .enableUpcomingFeature("StrictConcurrency"),
+]