diff --git a/dataext/stack.go b/dataext/stack.go
index d25d653..3530c5c 100644
--- a/dataext/stack.go
+++ b/dataext/stack.go
@@ -105,3 +105,12 @@ func (s *Stack[T]) Length() int {
 
 	return len(s.data)
 }
+
+func (s *Stack[T]) Empty() bool {
+	if s.lock != nil {
+		s.lock.Lock()
+		defer s.lock.Unlock()
+	}
+
+	return len(s.data) == 0
+}