From e36df3fd31a08a41d9ad04fcba182b616b030c9c Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Mon, 10 Aug 2009 00:44:02 +0000
Subject: [PATCH] add a simple back() method to StringRef.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78544 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/ADT/StringRef.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/llvm/ADT/StringRef.h b/include/llvm/ADT/StringRef.h
index e771cd0edd5..e24fe05e7cd 100644
--- a/include/llvm/ADT/StringRef.h
+++ b/include/llvm/ADT/StringRef.h
@@ -76,6 +76,11 @@ namespace llvm {
 
     /// size - Get the string size.
     size_t size() const { return Length; }
+    
+    char back() const {
+      assert(!empty());
+      return Data[Length-1];
+    }
 
     /// equals - Check for string equality, this is more efficient than
     /// compare() in when the relative ordering of inequal strings isn't needed.