From 6f592dd0987cae4f7f826056e5ff358ad26d3127 Mon Sep 17 00:00:00 2001
From: BlackMark <me@blackmark.me>
Date: Mon, 6 Apr 2020 21:44:28 +0200
Subject: [PATCH] Fixed missing const qualifier

---
 uart.hpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/uart.hpp b/uart.hpp
index 4839296..16451b7 100644
--- a/uart.hpp
+++ b/uart.hpp
@@ -192,7 +192,7 @@ class Uart {
 		return *this;
 	}
 
-	Uart &operator<<(unsigned short &val)
+	Uart &operator<<(const unsigned short &val)
 	{
 		txNumber(val);
 		return *this;
@@ -216,19 +216,19 @@ class Uart {
 		return *this;
 	}
 
-	Uart &operator<<(unsigned long &val)
+	Uart &operator<<(const unsigned long &val)
 	{
 		txNumber(val);
 		return *this;
 	}
 
-	Uart &operator<<(long long &val)
+	Uart &operator<<(const long long &val)
 	{
 		txNumber(val);
 		return *this;
 	}
 
-	Uart &operator<<(unsigned long long &val)
+	Uart &operator<<(const unsigned long long &val)
 	{
 		txNumber(val);
 		return *this;