From cf5dd4899402bc52b21389672286762fa9610630 Mon Sep 17 00:00:00 2001
From: cyy <cyyever@outlook.com>
Date: Wed, 30 Oct 2019 03:06:40 +0800
Subject: [PATCH] add override (#2305)

---
 lib/exprengine.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/exprengine.h b/lib/exprengine.h
index 177c26e1c..d0205c72f 100644
--- a/lib/exprengine.h
+++ b/lib/exprengine.h
@@ -138,7 +138,7 @@ namespace ExprEngine {
             , maxValue(maxValue) {
         }
 
-        virtual bool isEqual(DataBase *dataBase, int value) const {
+        bool isEqual(DataBase *dataBase, int value) const override {
             (void)dataBase;
             return value >= minValue && value <= maxValue;
         }