Provide integration points for SpeziNotifications, Swift 6 and silence some warnings

.github/workflows/build-and-test.yml

@@ -24,16 +24,6 @@ jobs:
       scheme: Spezi-Package
       resultBundle: Spezi-Package-iOS.xcresult
       artifactname: Spezi-Package-iOS.xcresult
-  buildandtest_ios_latest:
-    name: Build and Test Swift Package iOS Latest
-    uses: StanfordSpezi/.github/.github/workflows/xcodebuild-or-fastlane.yml@v2
-    with:
-      runsonlabels: '["macOS", "self-hosted"]'
-      scheme: Spezi-Package
-      xcodeversion: latest
-      swiftVersion: 6
-      resultBundle: Spezi-Package-iOS-Latest.xcresult
-      artifactname: Spezi-Package-iOS-Latest.xcresult
   buildandtest_watchos:
     name: Build and Test Swift Package watchOS
     uses: StanfordSpezi/.github/.github/workflows/xcodebuild-or-fastlane.yml@v2
@@ -79,17 +69,6 @@ jobs:
       scheme: TestApp
       resultBundle: TestApp-iOS.xcresult
       artifactname: TestApp-iOS.xcresult
-  buildandtestuitests_ios_latest:
-    name: Build and Test UI Tests iOS Latest
-    uses: StanfordSpezi/.github/.github/workflows/xcodebuild-or-fastlane.yml@v2
-    with:
-      runsonlabels: '["macOS", "self-hosted"]'
-      path: Tests/UITests
-      scheme: TestApp
-      xcodeversion: latest
-      swiftVersion: 6
-      resultBundle: TestApp-iOS-Latest.xcresult
-      artifactname: TestApp-iOS-Latest.xcresult
   buildandtestuitests_visionos:
     name: Build and Test UI Tests visionOS
     uses: StanfordSpezi/.github/.github/workflows/xcodebuild-or-fastlane.yml@v2

.spi.yml

@@ -11,6 +11,7 @@ builder:
   configs:
     - platform: ios
       scheme: Spezi
+      swift_version: 6
       documentation_targets:
       - Spezi
       - XCTSpezi

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.9
+// swift-tools-version:6.0
 
 //
 // This source file is part of the Stanford Spezi open-source project
@@ -11,12 +11,6 @@
 import class Foundation.ProcessInfo
 import PackageDescription
 
-#if swift(<6)
-let swiftConcurrency: SwiftSetting = .enableExperimentalFeature("StrictConcurrency")
-#else
-let swiftConcurrency: SwiftSetting = .enableUpcomingFeature("StrictConcurrency")
-#endif
-
 
 let package = Package(
     name: "Spezi",
@@ -33,8 +27,8 @@ let package = Package(
         .library(name: "XCTSpezi", targets: ["XCTSpezi"])
     ],
     dependencies: [
-        .package(url: "https://github.com/StanfordSpezi/SpeziFoundation", from: "2.0.0-beta.1"),
-        .package(url: "https://github.com/StanfordBDHG/XCTRuntimeAssertions", from: "1.1.1"),
+        .package(url: "https://github.com/StanfordSpezi/SpeziFoundation.git", from: "2.0.0-beta.1"),
+        .package(url: "https://github.com/StanfordBDHG/XCTRuntimeAssertions.git", from: "1.1.1"),
         .package(url: "https://github.com/apple/swift-collections.git", from: "1.1.1")
     ] + swiftLintPackage(),
     targets: [
@@ -45,19 +39,13 @@ let package = Package(
                 .product(name: "XCTRuntimeAssertions", package: "XCTRuntimeAssertions"),
                 .product(name: "OrderedCollections", package: "swift-collections")
             ],
-            swiftSettings: [
-                swiftConcurrency
-            ],
             plugins: [] + swiftLintPlugin()
         ),
         .target(
             name: "XCTSpezi",
             dependencies: [
                 .target(name: "Spezi")
             ],
-            swiftSettings: [
-                swiftConcurrency
-            ],
             plugins: [] + swiftLintPlugin()
         ),
         .testTarget(
@@ -67,9 +55,6 @@ let package = Package(
                 .target(name: "XCTSpezi"),
                 .product(name: "XCTRuntimeAssertions", package: "XCTRuntimeAssertions")
             ],
-            swiftSettings: [
-                swiftConcurrency
-            ],
             plugins: [] + swiftLintPlugin()
         )
     ]

Sources/Spezi/Capabilities/ApplicationPropertyWrapper.swift

@@ -6,24 +6,29 @@
 // SPDX-License-Identifier: MIT
 //
 
+import SwiftUI
 
-/// Refer to the documentation of ``Module/Application``.
+
+/// Access a property or action of the Spezi application.
 @propertyWrapper
-public class _ApplicationPropertyWrapper<Value> { // swiftlint:disable:this type_name
-    private let keyPath: KeyPath<Spezi, Value>
+public struct _ApplicationPropertyWrapper<Value> { // swiftlint:disable:this type_name
+    private final class State {
+        weak var spezi: Spezi?
+        /// Some KeyPaths are declared to copy the value upon injection and not query them every time.
+        var shadowCopy: Value?
+    }
 
-    private weak var spezi: Spezi?
-    /// Some KeyPaths are declared to copy the value upon injection and not query them every time.
-    private var shadowCopy: Value?
+    private let keyPath: KeyPath<Spezi, Value>
+    private let state = State()
 
 
     /// Access the application property.
     public var wrappedValue: Value {
-        if let shadowCopy {
+        if let shadowCopy = state.shadowCopy {
             return shadowCopy
         }
 
-        guard let spezi else {
+        guard let spezi = state.spezi else {
             preconditionFailure("Underlying Spezi instance was not yet injected. @Application cannot be accessed within the initializer!")
         }
         return spezi[keyPath: keyPath]
@@ -39,15 +44,15 @@ public class _ApplicationPropertyWrapper<Value> { // swiftlint:disable:this type
 
 extension _ApplicationPropertyWrapper: SpeziPropertyWrapper {
     func inject(spezi: Spezi) {
-        self.spezi = spezi
+        state.spezi = spezi
         if spezi.createsCopy(keyPath) {
-            self.shadowCopy = spezi[keyPath: keyPath]
+            state.shadowCopy = spezi[keyPath: keyPath]
         }
     }
 
     func clear() {
-        spezi = nil
-        shadowCopy = nil
+        state.spezi = nil
+        state.shadowCopy = nil
     }
 }