[clang-tidy] Use StringRef::ltrim (NFC)

kazutakahirata · kazutakahirata · commit 771ab15e4881 · 2024-01-12T18:39:51.000-08:00
diff --git a/clang-tools-extra/clang-tidy/utils/HeaderGuard.cpp b/clang-tools-extra/clang-tidy/utils/HeaderGuard.cpp
@@ -281,7 +281,7 @@ void HeaderGuardCheck::registerPPCallbacks(const SourceManager &SM,
 
 std::string HeaderGuardCheck::sanitizeHeaderGuard(StringRef Guard) {
   // Only reserved identifiers are allowed to start with an '_'.
-  return Guard.drop_while([](char C) { return C == '_'; }).str();
+  return Guard.ltrim('_').str();
 }
 
 bool HeaderGuardCheck::shouldSuggestEndifComment(StringRef FileName) {

Original file line number	Diff line number	Diff line change
`@@ -281,7 +281,7 @@ void HeaderGuardCheck::registerPPCallbacks(const SourceManager &SM,`
`281`	`281`
`282`	`282`	`std::string HeaderGuardCheck::sanitizeHeaderGuard(StringRef Guard) {`
`283`	`283`	`// Only reserved identifiers are allowed to start with an '_'.`
`284`		`- return Guard.drop_while([](char C) { return C == '_'; }).str();`
	`284`	`+ return Guard.ltrim('_').str();`
`285`	`285`	`}`
`286`	`286`
`287`	`287`	`bool HeaderGuardCheck::shouldSuggestEndifComment(StringRef FileName) {`