[ADT] Add StringRef::{l,r}trim(char) overloads (NFC)

Add support for trimming a single kind of character from a StringRef.
This makes the common case of trimming null bytes much neater. It's also
probably a bit speedier too, since it avoids creating a std::bitset in
find_{first,last}_not_of.

llvm-svn: 260925

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/unittests/ADT/StringRefTest.cpp b/llvm/unittests/ADT/StringRefTest.cpp
index 6cf2e6a0454..6354026d7ae 100644
--- a/llvm/unittests/ADT/StringRefTest.cpp
+++ b/llvm/unittests/ADT/StringRefTest.cpp
@@ -301,7 +301,7 @@ TEST(StringRefTest, Trim) {
   EXPECT_EQ(StringRef(""), StringRef(" ").trim());
   EXPECT_EQ(StringRef("\0", 1), StringRef(" \0 ", 3).trim());
   EXPECT_EQ(StringRef("\0\0", 2), StringRef("\0\0", 2).trim());
-  EXPECT_EQ(StringRef("x"), StringRef("\0\0x\0\0", 5).trim(StringRef("\0", 1)));
+  EXPECT_EQ(StringRef("x"), StringRef("\0\0x\0\0", 5).trim('\0'));
 }
 
 TEST(StringRefTest, StartsWith) {