1 files changed, 1 insertions, 0 deletions
diff --git a/src/kernel/NeKit/Ref.h b/src/kernel/NeKit/Ref.h
index ff8731e3..da7fe93e 100644
--- a/src/kernel/NeKit/Ref.h
+++ b/src/kernel/NeKit/Ref.h
@@ -45,6 +45,7 @@ class Ref final {
   T operator*() { return fClass; }
 
   operator bool() { return Vettable<T>::kValue; }
+  bool operator!() { return !Vettable<T>::kValue; }
 
  private:
   T fClass;