new helpers

Author: ERussel

.gitignore

@@ -44,7 +44,7 @@ playground.xcworkspace
 #
 # Xcode automatically generates this directory with a .xcworkspacedata file and xcuserdata
 # hence it is not needed unless you have added a package configuration file to your project
-# .swiftpm
+.swiftpm
 
 .build/
 

Operation-iOS/Classes/Helpers/DispatchQueueHelper.swift

@@ -17,3 +17,17 @@ public func dispatchInQueueWhenPossible(
         mutex?.unlock()
     }
 }
+
+public func callbackClosureIfProvided<T>(
+    _ closure: ((Result<T, Error>) -> Void)?,
+    queue: DispatchQueue?,
+    result: Result<T, Error>
+) {
+    guard let closure else {
+        return
+    }
+
+    dispatchInQueueWhenPossible(queue) {
+        closure(result)
+    }
+}

Operation-iOS/Classes/Operations/OperationCombiningService+Init.swift

@@ -0,0 +1,13 @@
+import Foundation
+
+public extension OperationCombiningService {
+    static func compoundNonOptionalWrapper(
+        operationQueue: OperationQueue,
+        wrapperClosure: @escaping () throws -> CompoundOperationWrapper<T>
+    ) -> CompoundOperationWrapper<T> {
+        compoundNonOptionalWrapper(
+            operationManager: OperationManager(operationQueue: operationQueue),
+            wrapperClosure: wrapperClosure
+        )
+    }
+}