.swift-format: Enable NoVoidReturnOnFunctionSignature

Author: AnthonyLatsis

.swift-format

@@ -15,5 +15,6 @@
         "UseLetInEveryBoundCaseVariable": false,
         "UseSynthesizedInitializer": false,
         "ReturnVoidInsteadOfEmptyTuple": true,
+        "NoVoidReturnOnFunctionSignature": true,
     }
 }

Sources/SourceKitD/SourceKitD.swift

@@ -482,7 +482,7 @@ package actor SourceKitD {
 
 /// A sourcekitd notification handler in a class to allow it to be uniquely referenced.
 package protocol SKDNotificationHandler: AnyObject, Sendable {
-  func notification(_: SKDResponse) -> Void
+  func notification(_: SKDResponse)
 }
 
 struct WeakSKDNotificationHandler: Sendable {

Tests/SourceKitLSPTests/ExpectedIndexTaskTracker.swift

@@ -142,7 +142,7 @@ actor ExpectedIndexTaskTracker {
     )
   }
 
-  func preparationTaskDidStart(taskDescription: PreparationTaskDescription) -> Void {
+  func preparationTaskDidStart(taskDescription: PreparationTaskDescription) {
     guard let expectedPreparations else {
       return
     }
@@ -160,7 +160,7 @@ actor ExpectedIndexTaskTracker {
     }
   }
 
-  func preparationTaskDidFinish(taskDescription: PreparationTaskDescription) -> Void {
+  func preparationTaskDidFinish(taskDescription: PreparationTaskDescription) {
     guard let expectedPreparations else {
       return
     }
@@ -191,7 +191,7 @@ actor ExpectedIndexTaskTracker {
     }
   }
 
-  func updateIndexStoreTaskDidStart(taskDescription: UpdateIndexStoreTaskDescription) -> Void {
+  func updateIndexStoreTaskDidStart(taskDescription: UpdateIndexStoreTaskDescription) {
     if Task.isCancelled {
       logger.debug(
         """
@@ -212,7 +212,7 @@ actor ExpectedIndexTaskTracker {
     }
   }
 
-  func updateIndexStoreTaskDidFinish(taskDescription: UpdateIndexStoreTaskDescription) -> Void {
+  func updateIndexStoreTaskDidFinish(taskDescription: UpdateIndexStoreTaskDescription) {
     guard let expectedIndexStoreUpdates else {
       return
     }