Swift 5.9 fixes/CI

.github/workflows/ci.yml

@@ -58,3 +58,17 @@ jobs:
 
       - name: Build
         run: swift build --swift-sdk wasm32-unknown-wasi -Xlinker -z -Xlinker stack-size=$((1024 * 1024))
+
+  compatibility:
+    name: Compatibility
+    strategy:
+      matrix:
+        xcode: ['15.2']
+        config: ['debug', 'release']
+    runs-on: macos-14
+    steps:
+      - 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: swift build -c ${{ matrix.config }}

Examples/GRDBDemo/FetchKey.swift

@@ -56,7 +56,7 @@ extension DependencyValues {
     static var testValue: any DatabaseWriter {
       reportIssue(
         """
-        A blank, in-memory database is being used. To set the database that is used by the 'query' \
+        A blank, in-memory database is being used. To set the database that is used by the 'fetch' \
         key you can use the 'prepareDependencies' tool as soon as your app launches, such as in \
         your app or scene delegate in UIKit, or the app entry point in SwiftUI:
 

Sources/Sharing/Internal/Reference.swift

@@ -420,7 +420,7 @@ extension _PersistentReference: MutableReference, Equatable where Key: SharedKey
   func save() async throws {
     saveError = nil
     do {
-      try await withUnsafeThrowingContinuation { continuation in
+      _ = try await withUnsafeThrowingContinuation { continuation in
         let key = key
         key.save(
           lock.withLock { value },

Sources/Sharing/SharedContinuations.swift

@@ -209,7 +209,7 @@ private final class ContinuationBox<Value>: Sendable {
   }
 
   deinit {
-    let isComplete = resumeCount.withLock(\.self) > 0
+    let isComplete = resumeCount.withLock { $0 } > 0
     if !isComplete {
       reportIssue(
         """

Sources/Sharing/SharedKeys/FileStorageKey.swift

@@ -132,7 +132,7 @@
               guard let self else { return }
               state.withValue { state in
                 let modificationDate =
-                  (try? storage.attributesOfItemAtPath(url.path)[.modificationDate]
+                  (try? self.storage.attributesOfItemAtPath(self.url.path)[.modificationDate]
                     as? Date)
                   ?? Date.distantPast
                 guard
@@ -145,7 +145,7 @@
                 guard state.workItem == nil
                 else { return }
 
-                subscriber.yield(with: Result { try decode(storage.load(url)) })
+                subscriber.yield(with: Result { try self.decode(self.storage.load(self.url)) })
               }
             }
             let deleteCancellable = try storage.fileSystemSource(url, [.delete, .rename]) {
@@ -199,12 +199,12 @@
                   }
                   guard
                     let value = state.value,
-                    let data = try? encode(value)
+                    let data = try? self.encode(value)
                   else { return }
                   let result = Result {
-                    try save(
+                    try self.save(
                       data: data,
-                      url: url,
+                      url: self.url,
                       modificationDates: &state.modificationDates
                     )
                   }