From 0fa3378234bf4796677f7dcca6488c7a16632c17 Mon Sep 17 00:00:00 2001
From: Angeld55 <achi_d@abv.bg>
Date: Tue, 24 Sep 2019 00:14:03 +0300
Subject: Add files via upload

---
 Polymorphism/MathExpression/Expression.hpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'Polymorphism/MathExpression/Expression.hpp')

diff --git a/Polymorphism/MathExpression/Expression.hpp b/Polymorphism/MathExpression/Expression.hpp
index dd344d8..4f09790 100644
--- a/Polymorphism/MathExpression/Expression.hpp
+++ b/Polymorphism/MathExpression/Expression.hpp
@@ -1,3 +1,5 @@
+#pragma once
+
 #include <iostream>
 
 class Expression
-- 
cgit v1.3.1-23-gd82d