From 69421dc2c740334578f74a9441bc1f01080b3a95 Mon Sep 17 00:00:00 2001
From: Ivan-Perez <ivanperez2@gmail.com>
Date: Thu, 12 May 2016 10:57:14 +0200
Subject: [PATCH] WString.h: Add const qualifier to `begin` and `end` functions

---
 cores/arduino/WString.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/cores/arduino/WString.h b/cores/arduino/WString.h
index b7d3852..89fcaa5 100644
--- a/cores/arduino/WString.h
+++ b/cores/arduino/WString.h
@@ -160,9 +160,9 @@ public:
 	void getBytes(unsigned char *buf, unsigned int bufsize, unsigned int index=0) const;
 	void toCharArray(char *buf, unsigned int bufsize, unsigned int index=0) const
 		{getBytes((unsigned char *)buf, bufsize, index);}
-	const char * c_str() const { return buffer; }
-	const char* begin() { return c_str(); }
-	const char* end() { return c_str() + length(); }
+	const char* c_str() const { return buffer; }
+	const char* begin() const { return c_str(); }
+	const char* end() const { return c_str() + length(); }
 
 	// search
 	int indexOf( char ch ) const;