From ac55b85438da378bab227fd34167bb0c4a9249aa Mon Sep 17 00:00:00 2001 From: Daniel Dunbar Date: Thu, 13 Aug 2009 02:03:30 +0000 Subject: [PATCH] Add StringRef::front (with some small tweaks while I was in the area). - Patch by Erick Tryzelaar git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78883 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/ADT/StringRef.h | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/include/llvm/ADT/StringRef.h b/include/llvm/ADT/StringRef.h index b239e3b886b..40689a98870 100644 --- a/include/llvm/ADT/StringRef.h +++ b/include/llvm/ADT/StringRef.h @@ -76,14 +76,21 @@ namespace llvm { /// 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); -- 2.34.1