Document GetArgReplacements

carbon-language · Aug 22, 2024 · 585f14f · 585f14f
1 parent 96a8c43
commit 585f14f
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/testing/file_test/file_test_base.h b/testing/file_test/file_test_base.h
@@ -87,6 +87,8 @@ class FileTestBase : public testing::Test {
   // Returns default arguments. Only called when a file doesn't set ARGS.
   virtual auto GetDefaultArgs() -> llvm::SmallVector<std::string> = 0;
 
+  // Returns a map of string replacements to implement `%{key}` -> `value` in
+  // arguments.
   virtual auto GetArgReplacements() -> llvm::StringMap<std::string> {
     return {};
   }