Swift 6.0

.github/workflows/docs.yml

@@ -8,7 +8,7 @@ on:
   workflow_dispatch:
 
 env:
-  DEVELOPER_DIR: /Applications/Xcode_15.4.app
+  DEVELOPER_DIR: /Applications/Xcode_16.0.app
 
 jobs:
   publish-docs:

.github/workflows/test.yml

@@ -10,34 +10,40 @@ on:
   workflow_dispatch:
 
 env:
-  DEVELOPER_DIR: /Applications/Xcode_15.4.app
+  DEVELOPER_DIR: /Applications/Xcode_16.app
 
 jobs:
   test:
     name: Test
     runs-on: macos-14
     strategy:
       matrix:
+        xcode_version:
+          - 15.4
+          - 16
         platform:
           - ios
           - macos
           - tvos
           - watchos
+    env:
+      DEVELOPER_DIR: /Applications/Xcode_${{ matrix.xcode_version }}.app
     steps:
       - uses: actions/checkout@v4
       - name: Test library
         run: scripts/test.sh library ${{ matrix.platform }}
-      - name: Test example cross platform
-        if: matrix.platform == 'macos' || matrix.platform == 'tvos'
-        run: scripts/test.sh example-cross-platform ${{ matrix.platform }}
 
   test_examples:
-    name: Test iOS examples
+    name: Test examples
     runs-on: macos-14
     steps:
       - uses: actions/checkout@v4
       - name: Test example iOS
         run: scripts/test.sh example-ios ios
+      - name: Test example macOS
+        run: scripts/test.sh example-cross-platform macos
+      - name: Test example tvOS
+        run: scripts/test.sh example-cross-platform tvos
 
   benchmark:
     name: Benchmark

Benchmarks/Project.xcodeproj/project.pbxproj

@@ -251,8 +251,7 @@
 				SDKROOT = iphoneos;
 				SWIFT_COMPILATION_MODE = wholemodule;
 				SWIFT_OPTIMIZATION_LEVEL = "-O";
-				SWIFT_STRICT_CONCURRENCY = complete;
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 6;
 			};
 			name = Release;
 		};
@@ -383,8 +382,7 @@
 				SDKROOT = iphoneos;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_STRICT_CONCURRENCY = complete;
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 6;
 			};
 			name = Debug;
 		};

Benchmarks/Tests/ViewTest.swift

@@ -1,6 +1,6 @@
 import SwiftUI
 
-struct ViewTest<Content: View>: _ViewTest {
+struct ViewTest<Content: View & Sendable>: _ViewTest {
     let rootView: @MainActor () -> Content
 
     func initRootView() -> some View {

Benchmarks/project.yml

@@ -8,7 +8,7 @@ settings:
   CODE_SIGNING_REQUIRED: NO
   CODE_SIGN_IDENTITY: "-"
   CODE_SIGN_STYLE: Manual
-  SWIFT_STRICT_CONCURRENCY: complete
+  SWIFT_VERSION: 6
 
 packages:
   swiftui-atom-properties:

Examples/Packages/CrossPlatform/Package.swift

@@ -1,26 +1,8 @@
-// swift-tools-version:5.10
+// swift-tools-version:6.0
 
 import PackageDescription
 
-let swiftSettings: [SwiftSetting] = [
-    .enableExperimentalFeature("StrictConcurrency")
-]
-
-func target(name: String, dependencies: [Target.Dependency] = []) -> Target {
-    .target(
-        name: name,
-        dependencies: [.product(name: "Atoms", package: "swiftui-atom-properties")] + dependencies,
-        swiftSettings: swiftSettings
-    )
-}
-
-func testTarget(name: String, dependencies: [Target.Dependency]) -> Target {
-    .testTarget(
-        name: name,
-        dependencies: dependencies,
-        swiftSettings: swiftSettings
-    )
-}
+let atoms = Target.Dependency.product(name: "Atoms", package: "swiftui-atom-properties")
 
 let package = Package(
     name: "CrossPlatformExamples",
@@ -37,16 +19,17 @@ let package = Package(
         .package(path: "../../..")
     ],
     targets: [
-        target(
+        .target(
             name: "CrossPlatformApp",
             dependencies: [
+                atoms,
                 "ExampleCounter",
                 "ExampleTodo",
             ]
         ),
-        target(name: "ExampleCounter"),
-        testTarget(name: "ExampleCounterTests", dependencies: ["ExampleCounter"]),
-        target(name: "ExampleTodo"),
-        testTarget(name: "ExampleTodoTests", dependencies: ["ExampleTodo"]),
+        .target(name: "ExampleCounter", dependencies: [atoms]),
+        .testTarget(name: "ExampleCounterTests", dependencies: ["ExampleCounter"]),
+        .target(name: "ExampleTodo", dependencies: [atoms]),
+        .testTarget(name: "ExampleTodoTests", dependencies: ["ExampleTodo"]),
     ]
 )

Examples/Packages/iOS/Package.swift

@@ -1,26 +1,8 @@
-// swift-tools-version:5.10
+// swift-tools-version:6.0
 
 import PackageDescription
 
-let swiftSettings: [SwiftSetting] = [
-    .enableExperimentalFeature("StrictConcurrency")
-]
-
-func target(name: String, dependencies: [Target.Dependency] = []) -> Target {
-    .target(
-        name: name,
-        dependencies: [.product(name: "Atoms", package: "swiftui-atom-properties")] + dependencies,
-        swiftSettings: swiftSettings
-    )
-}
-
-func testTarget(name: String, dependencies: [Target.Dependency]) -> Target {
-    .testTarget(
-        name: name,
-        dependencies: dependencies,
-        swiftSettings: swiftSettings
-    )
-}
+let atoms = Target.Dependency.product(name: "Atoms", package: "swiftui-atom-properties")
 
 let package = Package(
     name: "iOSExamples",
@@ -35,23 +17,24 @@ let package = Package(
         .package(path: "../CrossPlatform"),
     ],
     targets: [
-        target(
+        .target(
             name: "iOSApp",
             dependencies: [
+                atoms,
                 .product(name: "CrossPlatformApp", package: "CrossPlatform"),
                 "ExampleMovieDB",
                 "ExampleMap",
                 "ExampleVoiceMemo",
                 "ExampleTimeTravel",
             ]
         ),
-        target(name: "ExampleMovieDB"),
-        testTarget(name: "ExampleMovieDBTests", dependencies: ["ExampleMovieDB"]),
-        target(name: "ExampleMap"),
-        testTarget(name: "ExampleMapTests", dependencies: ["ExampleMap"]),
-        target(name: "ExampleVoiceMemo"),
-        testTarget(name: "ExampleVoiceMemoTests", dependencies: ["ExampleVoiceMemo"]),
-        target(name: "ExampleTimeTravel"),
-        testTarget(name: "ExampleTimeTravelTests", dependencies: ["ExampleTimeTravel"]),
+        .target(name: "ExampleMovieDB", dependencies: [atoms]),
+        .testTarget(name: "ExampleMovieDBTests", dependencies: ["ExampleMovieDB"]),
+        .target(name: "ExampleMap", dependencies: [atoms]),
+        .testTarget(name: "ExampleMapTests", dependencies: ["ExampleMap"]),
+        .target(name: "ExampleVoiceMemo", dependencies: [atoms]),
+        .testTarget(name: "ExampleVoiceMemoTests", dependencies: ["ExampleVoiceMemo"]),
+        .target(name: "ExampleTimeTravel", dependencies: [atoms]),
+        .testTarget(name: "ExampleTimeTravelTests", dependencies: ["ExampleTimeTravel"]),
     ]
 )

Examples/Packages/iOS/Sources/ExampleVoiceMemo/Dependency/AudioRecorder.swift

@@ -7,7 +7,7 @@ protocol AudioRecorderProtocol {
     func stop()
 }
 
-final class AudioRecorder: NSObject, AVAudioRecorderDelegate, AudioRecorderProtocol {
+final class AudioRecorder: NSObject, AVAudioRecorderDelegate, AudioRecorderProtocol, @unchecked Sendable {
     private var recorder: AVAudioRecorder?
     private let onFail: () -> Void
 

Examples/Project.xcodeproj/project.pbxproj

@@ -276,8 +276,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_COMPILATION_MODE = wholemodule;
 				SWIFT_OPTIMIZATION_LEVEL = "-O";
-				SWIFT_STRICT_CONCURRENCY = complete;
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 6;
 				TVOS_DEPLOYMENT_TARGET = 16.0;
 			};
 			name = Release;
@@ -408,8 +407,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_STRICT_CONCURRENCY = complete;
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 6;
 				TVOS_DEPLOYMENT_TARGET = 16.0;
 			};
 			name = Debug;

Examples/project.yml

@@ -12,7 +12,7 @@ settings:
   CODE_SIGNING_REQUIRED: NO
   CODE_SIGN_IDENTITY: "-"
   CODE_SIGN_STYLE: Manual
-  SWIFT_STRICT_CONCURRENCY: complete
+  SWIFT_VERSION: 6
 
 targetTemplates:
   App:

Package.swift

@@ -1,12 +1,7 @@
-// swift-tools-version:5.10
+// swift-tools-version:6.0
 
-import Foundation
 import PackageDescription
 
-let swiftSettings: [SwiftSetting] = [
-    .enableExperimentalFeature("StrictConcurrency")
-]
-
 let package = Package(
     name: "swiftui-atom-properties",
     platforms: [
@@ -19,15 +14,11 @@ let package = Package(
         .library(name: "Atoms", targets: ["Atoms"])
     ],
     targets: [
-        .target(
-            name: "Atoms",
-            swiftSettings: swiftSettings
-        ),
+        .target(name: "Atoms"),
         .testTarget(
             name: "AtomsTests",
-            dependencies: ["Atoms"],
-            swiftSettings: swiftSettings
+            dependencies: ["Atoms"]
         ),
     ],
-    swiftLanguageVersions: [.v5]
+    swiftLanguageModes: [.v5, .v6]
 )

Package@swift-5.swift

@@ -0,0 +1,32 @@
+// swift-tools-version:5.10
+
+import PackageDescription
+
+let swiftSettings: [SwiftSetting] = [
+    .enableExperimentalFeature("StrictConcurrency")
+]
+
+let package = Package(
+    name: "swiftui-atom-properties",
+    platforms: [
+        .iOS(.v14),
+        .macOS(.v11),
+        .tvOS(.v14),
+        .watchOS(.v7),
+    ],
+    products: [
+        .library(name: "Atoms", targets: ["Atoms"])
+    ],
+    targets: [
+        .target(
+            name: "Atoms",
+            swiftSettings: swiftSettings
+        ),
+        .testTarget(
+            name: "AtomsTests",
+            dependencies: ["Atoms"],
+            swiftSettings: swiftSettings
+        ),
+    ],
+    swiftLanguageVersions: [.v5]
+)

README.md

@@ -127,8 +127,8 @@ Open `Examples/Project.xcodeproj` and play around with it!
 
 |       |Minimum Version|
 |------:|--------------:|
-|Swift  |5.10           |
-|Xcode  |15.4           |
+|Swift  |5.10, 6.0      |
+|Xcode  |15.4, 16.0     |
 |iOS    |14.0           |
 |macOS  |11.0           |
 |tvOS   |14.0           |

Sources/Atoms/AsyncPhase.swift

@@ -24,19 +24,35 @@ public enum AsyncPhase<Success, Failure: Error> {
         }
     }
 
-    /// Creates a new phase by evaluating a async throwing closure, capturing the
-    /// returned value as a success, or any thrown error as a failure.
-    ///
-    /// - Parameter body: A async throwing closure to evaluate.
-    public init(catching body: @Sendable () async throws -> Success) async where Failure == Error {
-        do {
-            let value = try await body()
-            self = .success(value)
+    #if compiler(>=6)
+        /// Creates a new phase by evaluating a async throwing closure, capturing the
+        /// returned value as a success, or thrown error as a failure.
+        ///
+        /// - Parameter body: A async throwing closure to evaluate.
+        public init(catching body: @Sendable () async throws(Failure) -> Success) async {
+            do {
+                let value = try await body()
+                self = .success(value)
+            }
+            catch {
+                self = .failure(error)
+            }
         }
-        catch {
-            self = .failure(error)
+    #else
+        /// Creates a new phase by evaluating a async throwing closure, capturing the
+        /// returned value as a success, or thrown error as a failure.
+        ///
+        /// - Parameter body: A async throwing closure to evaluate.
+        public init(catching body: @Sendable () async throws -> Success) async where Failure == Error {
+            do {
+                let value = try await body()
+                self = .success(value)
+            }
+            catch {
+                self = .failure(error)
+            }
         }
-    }
+    #endif
 
     /// A boolean value indicating whether `self` is ``AsyncPhase/suspending``.
     public var isSuspending: Bool {

Sources/Atoms/Atom/ObservableObjectAtom.swift

@@ -82,7 +82,9 @@ public extension ObservableObjectAtom {
                     }
                 }
 
-            context.onTermination = cancellable.cancel
+            context.onTermination = {
+                cancellable.cancel()
+            }
         }
     }
 }

Sources/Atoms/Atom/PublisherAtom.swift

@@ -98,7 +98,7 @@ public extension PublisherAtom {
     }
 }
 
-private extension Publisher {
+private extension Publisher where Output: Sendable {
     var results: AsyncStream<Result<Output, Failure>> {
         AsyncStream { continuation in
             let cancellable = map(Result.success)