From 9e63302e5906d53d9f39f64c549b9aa7e806b669 Mon Sep 17 00:00:00 2001
From: Li Jin <dragon-fly@qq.com>
Date: Sun, 16 Jul 2017 17:05:31 +0800
Subject: AST generating succeeded.

---
 MoonParser/parser.hpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'MoonParser/parser.hpp')

diff --git a/MoonParser/parser.hpp b/MoonParser/parser.hpp
index 540a51c..5ec92af 100644
--- a/MoonParser/parser.hpp
+++ b/MoonParser/parser.hpp
@@ -140,6 +140,7 @@ public:
 
     ///empty constructor.
     input_range() {}
+	virtual ~input_range() {}
 
     /** constructor.
         @param b begin position.
-- 
cgit v1.2.3-55-g6feb