add conditional compilation

JohnEstropia · Jun 7, 2023 · 4b4ae61 · 4b4ae61
1 parent 535b33c
commit 4b4ae61
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/Sources/DynamicObject.swift b/Sources/DynamicObject.swift
@@ -114,8 +114,15 @@ extension NSManagedObject: DynamicObject {
     }
 
     public class func cs_fromRaw(object: NSManagedObject) -> Self {
-
+
+#if swift(>=5.9)
         return unsafeDowncast(object, to: self)
+
+#else
+        // unsafeDowncast fails debug assertion starting Swift 5.2
+        return _unsafeUncheckedDowncast(object, to: self)
+
+#endif
     }
 
     public static func cs_matches(object: NSManagedObject) -> Bool {