Move out asyncResult to ConcurrencyHelpers

Author: plemarquand

Sources/Basics/Concurrency/ConcurrencyHelpers.swift

@@ -59,4 +59,20 @@ extension DispatchQueue {
             }
         }
     }
+
+    package func asyncResult<T: Sendable>(_ callback: @escaping @Sendable (Result<T, Error>) -> Void, _ closure: @escaping @Sendable () async throws -> T) {
+        let completion: @Sendable (Result<T, Error>) -> Void = {
+            result in self.async {
+                callback(result)
+            }
+        }
+
+        Task {
+            do {
+                completion(.success(try await closure()))
+            } catch {
+                completion(.failure(error))
+            }
+        }
+    }
 }

Sources/PackageRegistry/RegistryClient.swift

@@ -2350,17 +2350,3 @@ extension Result {
         }
     }
 }
-
-extension DispatchQueue {
-    public func asyncResult<T>(_ callback: @escaping (Result<T, Error>) -> Void, _ closure: @escaping () async throws -> T) {
-        let completion: (Result<T, Error>) -> Void = { result in self.async { callback(result) } }
-        Task {
-            do {
-                completion(.success(try await closure()))
-            } catch {
-                completion(.failure(error))
-            }
-        }
-    }
-}
-