YAMLParser: llvm::Optional => std::optional

4 files changed, 5 insertions, 4 deletions

diff --git a/llvm/include/llvm/Support/YAMLParser.h b/llvm/include/llvm/Support/YAMLParser.h
index 231cc1d28c9a..8c5561e90550 100644
--- a/llvm/include/llvm/Support/YAMLParser.h
+++ b/llvm/include/llvm/Support/YAMLParser.h
@@ -45,6 +45,7 @@
 #include <iterator>
 #include <map>
 #include <memory>
+#include <optional>
 #include <string>
 #include <system_error>
 
@@ -78,7 +79,7 @@ bool scanTokens(StringRef Input);
 std::string escape(StringRef Input, bool EscapePrintable = true);
 
 /// Parse \p S as a bool according to https://yaml.org/type/bool.html.
-llvm::Optional<bool> parseBool(StringRef S);
+std::optional<bool> parseBool(StringRef S);
 
 /// This class represents a YAML stream potentially containing multiple
 ///        documents.
diff --git a/llvm/lib/Support/YAMLParser.cpp b/llvm/lib/Support/YAMLParser.cpp
index 7dbb16fe88f7..b85b1eb83ef8 100644
--- a/llvm/lib/Support/YAMLParser.cpp
+++ b/llvm/lib/Support/YAMLParser.cpp
@@ -760,7 +760,7 @@ std::string yaml::escape(StringRef Input, bool EscapePrintable) {
   return EscapedInput;
 }
 
-llvm::Optional<bool> yaml::parseBool(StringRef S) {
+std::optional<bool> yaml::parseBool(StringRef S) {
   switch (S.size()) {
   case 1:
     switch (S.front()) {
diff --git a/llvm/lib/Support/YAMLTraits.cpp b/llvm/lib/Support/YAMLTraits.cpp
index 8cdd03149bcf..4eb0b3afd563 100644
--- a/llvm/lib/Support/YAMLTraits.cpp
+++ b/llvm/lib/Support/YAMLTraits.cpp
@@ -886,7 +886,7 @@ void ScalarTraits<bool>::output(const bool &Val, void *, raw_ostream &Out) {
 }
 
 StringRef ScalarTraits<bool>::input(StringRef Scalar, void *, bool &Val) {
-  if (llvm::Optional<bool> Parsed = parseBool(Scalar)) {
+  if (std::optional<bool> Parsed = parseBool(Scalar)) {
     Val = *Parsed;
     return StringRef();
   }
diff --git a/llvm/unittests/Support/YAMLParserTest.cpp b/llvm/unittests/Support/YAMLParserTest.cpp
index 14def9c52887..b52a3850c02b 100644
--- a/llvm/unittests/Support/YAMLParserTest.cpp
+++ b/llvm/unittests/Support/YAMLParserTest.cpp
@@ -343,7 +343,7 @@ TEST(YAMLParser, FlowSequenceTokensOutsideFlowSequence) {
 }
 
 static void expectCanParseBool(StringRef S, bool Expected) {
-  llvm::Optional<bool> Parsed = yaml::parseBool(S);
+  std::optional<bool> Parsed = yaml::parseBool(S);
   EXPECT_TRUE(Parsed.has_value());
   EXPECT_EQ(*Parsed, Expected);
 }