[clang-tools-extra] Use std::optional instead of None in comments (NFC)
authorKazu Hirata <kazu@google.com>
Sun, 11 Dec 2022 00:59:22 +0000 (16:59 -0800)
committerKazu Hirata <kazu@google.com>
Sun, 11 Dec 2022 00:59:22 +0000 (16:59 -0800)
commitc824db46d4bc0e34cd365b94a5262145757080a9
treef597eefa92efd9f5fc9c6527f1aa6bbd8dd38a56
parent3c700cf754dbeb5f1f7c1e03e1f04ed716f7d9dc
[clang-tools-extra] Use std::optional instead of None in comments (NFC)

This is part of an effort to migrate from llvm::Optional to
std::optional:

https://discourse.llvm.org/t/deprecating-llvm-optional-x-hasvalue-getvalue-getvalueor/63716
clang-tools-extra/clang-tidy/ClangTidyCheck.h
clang-tools-extra/clang-tidy/abseil/DurationFactoryScaleCheck.cpp
clang-tools-extra/clang-tidy/abseil/DurationRewriter.h
clang-tools-extra/clang-tidy/utils/RenamerClangTidyCheck.h
clang-tools-extra/clangd/Hover.h
clang-tools-extra/clangd/ParsedAST.h
clang-tools-extra/pseudo/lib/DirectiveTree.cpp