[llvm-commits] [llvm] r78883 - /llvm/trunk/include/llvm/ADT/StringRef.h

[Daniel Dunbar]

Author: ddunbar
Date: Wed Aug 12 21:03:30 2009
New Revision: 78883

URL: http://llvm.org/viewvc/llvm-project?rev=78883&view=rev
Log:
Add StringRef::front (with some small tweaks while I was in the area).
 - Patch by Erick Tryzelaar

Modified:
    llvm/trunk/include/llvm/ADT/StringRef.h

Modified: llvm/trunk/include/llvm/ADT/StringRef.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/ADT/StringRef.h?rev=78883&r1=78882&r2=78883&view=diff

==============================================================================
--- llvm/trunk/include/llvm/ADT/StringRef.h (original)
+++ llvm/trunk/include/llvm/ADT/StringRef.h Wed Aug 12 21:03:30 2009
@@ -76,14 +76,21 @@
 
     /// size - Get the string size.
     size_t size() const { return Length; }
+
+    /// front - Get the first character in the string.
+    char front() const {
+      assert(!empty());
+      return Data[0];
+    }
     
+    /// back - Get the last character in the string.
     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.
+    /// compare() when the relative ordering of inequal strings isn't needed.
     bool equals(const StringRef &RHS) const {
       return (Length == RHS.Length && 
               memcmp(Data, RHS.Data, RHS.Length) == 0);