diff --git a/include/etl/result.h b/include/etl/result.h
index 82d0329f..9d79dbf4 100644
--- a/include/etl/result.h
+++ b/include/etl/result.h
@@ -160,6 +160,14 @@ namespace etl
       return *this;
     }
 
+    //*******************************************
+    /// <b>true</b> if result contains a value
+    //*******************************************
+    bool has_value() const
+    {
+      return (data.index() == 0U);
+    }
+
     //*******************************************
     /// <b>true</b> if result contains a value
     //*******************************************