Swift Language Support: Drop <5.9, Add 6.0

Author: stephencelis

.github/workflows/ci.yml

@@ -16,29 +16,31 @@ concurrency:
 jobs:
   library:
     name: macOS
+    runs-on: macos-14
     strategy:
       matrix:
-        xcode: ['14.3.1']
+        xcode: ['15.4']
         config: ['debug', 'release']
-    runs-on: macos-13
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Select Xcode ${{ matrix.xcode }}
         run: sudo xcode-select -s /Applications/Xcode_${{ matrix.xcode }}.app
       - name: Run ${{ matrix.config }} tests
         run: CONFIG=${{ matrix.config }} make test
 
   linux:
     name: Linux
+    runs-on: ubuntu-latest
     strategy:
       matrix:
-        os: [ubuntu-20.04]
         config: ['debug', 'release']
-    runs-on: ${{ matrix.os }}
+        swift:
+          - '5.10'
+    name: Linux (Swift ${{ matrix.swift }})
+    runs-on: ubuntu-latest
+    container: swift:${{ matrix.swift }}
     steps:
-      - uses: actions/checkout@v3
-      - name: Build
-        run: swift build
+      - uses: actions/checkout@v4
       - name: Run tests
         run: swift test -c ${{ matrix.config }}
 
@@ -48,9 +50,9 @@ jobs:
     strategy:
       matrix:
         include:
-          - { toolchain: wasm-5.7.1-RELEASE }
+          - { toolchain: wasm-5.9.2-RELEASE }
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: echo "${{ matrix.toolchain }}" > .swift-version
       - uses: swiftwasm/[email protected]
         with:
@@ -66,9 +68,9 @@ jobs:
     steps:
       - uses: compnerd/gha-setup-swift@main
         with:
-          branch: swift-5.8-release
-          tag: 5.8-RELEASE
+          branch: swift-5.10-release
+          tag: 5.10-RELEASE
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Run tests
         run: swift build -c ${{ matrix.config }}

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version: 5.6
+// swift-tools-version: 5.9
 
 import PackageDescription
 
@@ -36,14 +36,9 @@ let package = Package(
   )
 #endif
 
-//for target in package.targets {
-//  target.swiftSettings = target.swiftSettings ?? []
-//  target.swiftSettings?.append(
-//    .unsafeFlags([
-//      "-c", "release",
-//      "-emit-module-interface", "-enable-library-evolution",
-//      "-Xfrontend", "-warn-concurrency",
-//      "-Xfrontend", "-enable-actor-data-race-checks",
-//    ])
-//  )
-//}
+for target in package.targets {
+  target.swiftSettings = target.swiftSettings ?? []
+  target.swiftSettings!.append(contentsOf: [
+    .enableExperimentalFeature("StrictConcurrency")
+  ])
+}

[email protected]

@@ -0,0 +1,37 @@
+// swift-tools-version: 6.0
+
+import PackageDescription
+
+let package = Package(
+  name: "swift-concurrency-extras",
+  platforms: [
+    .iOS(.v13),
+    .macOS(.v10_15),
+    .tvOS(.v13),
+    .watchOS(.v6),
+  ],
+  products: [
+    .library(
+      name: "ConcurrencyExtras",
+      targets: ["ConcurrencyExtras"]
+    )
+  ],
+  targets: [
+    .target(
+      name: "ConcurrencyExtras"
+    ),
+    .testTarget(
+      name: "ConcurrencyExtrasTests",
+      dependencies: [
+        "ConcurrencyExtras"
+      ]
+    ),
+  ]
+)
+
+#if !os(Windows)
+  // Add the documentation compiler plugin if possible
+  package.dependencies.append(
+    .package(url: "https://github.com/apple/swift-docc-plugin", from: "1.0.0")
+  )
+#endif

Tests/ConcurrencyExtrasTests/AsyncStreamTests.swift

@@ -4,7 +4,7 @@
 
   @available(iOS 15, *)
   private let sendable: @Sendable () async -> AsyncStream<Void> = {
-    await NotificationCenter.default
+    NotificationCenter.default
       .notifications(named: UIApplication.userDidTakeScreenshotNotification)
       .map { _ in }
       .eraseToStream()
@@ -20,7 +20,7 @@
 
   @available(iOS 15, *)
   private let sendableThrowing: @Sendable () async -> AsyncThrowingStream<Void, Error> = {
-    await NotificationCenter.default
+    NotificationCenter.default
       .notifications(named: UIApplication.userDidTakeScreenshotNotification)
       .map { _ in }
       .eraseToThrowingStream()