[clang-tools-extra] [clang-tidy] Move `ClassifiedToken` to cpp file (PR #196820)

[via cfe-commits]

llvmorg-github-actions[bot] wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang-tidy

Author: David Stone (davidstone)

<details>
<summary>Changes</summary>

`ClassifiedToken` is used in only the implementation of `UseTrailingReturnTypeCheck`. Move it into the unnamed namespace of the cpp file instead of it being in the header.

---
Full diff: https://github.com/llvm/llvm-project/pull/196820.diff


2 Files Affected:

- (modified) clang-tools-extra/clang-tidy/modernize/UseTrailingReturnTypeCheck.cpp (+10) 
- (modified) clang-tools-extra/clang-tidy/modernize/UseTrailingReturnTypeCheck.h (-6) 


``````````diff
diff --git a/clang-tools-extra/clang-tidy/modernize/UseTrailingReturnTypeCheck.cpp b/clang-tools-extra/clang-tidy/modernize/UseTrailingReturnTypeCheck.cpp
index ea43cd6c42222..8bc06afaeb33c 100644
--- a/clang-tools-extra/clang-tidy/modernize/UseTrailingReturnTypeCheck.cpp
+++ b/clang-tools-extra/clang-tidy/modernize/UseTrailingReturnTypeCheck.cpp
@@ -205,6 +205,16 @@ static bool isSpecifier(Token T) {
                    tok::kw_static, tok::kw_friend, tok::kw_virtual);
 }
 
+namespace {
+
+struct ClassifiedToken {
+  Token T;
+  bool IsQualifier;
+  bool IsSpecifier;
+};
+
+} // namespace
+
 static std::optional<ClassifiedToken>
 classifyToken(const FunctionDecl &F, Preprocessor &PP, Token Tok) {
   ClassifiedToken CT;
diff --git a/clang-tools-extra/clang-tidy/modernize/UseTrailingReturnTypeCheck.h b/clang-tools-extra/clang-tidy/modernize/UseTrailingReturnTypeCheck.h
index 4aa1adaf30db5..05a8952f03700 100644
--- a/clang-tools-extra/clang-tidy/modernize/UseTrailingReturnTypeCheck.h
+++ b/clang-tools-extra/clang-tidy/modernize/UseTrailingReturnTypeCheck.h
@@ -14,12 +14,6 @@
 
 namespace clang::tidy::modernize {
 
-struct ClassifiedToken {
-  Token T;
-  bool IsQualifier;
-  bool IsSpecifier;
-};
-
 /// Rewrites function signatures to use a trailing return type.
 ///
 /// For the user-facing documentation see:

``````````

</details>


https://github.com/llvm/llvm-project/pull/196820