amoeba commented on code in PR #46180:
URL: https://github.com/apache/arrow/pull/46180#discussion_r2053095188
##########
cpp/src/arrow/util/from_json_test.cc:
##########
@@ -916,7 +914,8 @@ TEST(TestMap, IntegerMapToStringList) {
auto& key_key_builder =
checked_cast<Int16Builder&>(*key_builder.key_builder());
auto& key_item_builder =
checked_cast<Int16Builder&>(*key_builder.item_builder());
auto& item_builder = checked_cast<ListBuilder&>(*map_builder.item_builder());
- auto& item_value_builder =
checked_cast<StringBuilder&>(*item_builder.value_builder());
+ auto& item_value_builder =
+ checked_cast<class StringBuilder&>(*item_builder.value_builder());
Review Comment:
clangd helps explain this here:
```
Must use 'class' tag to refer to type 'StringBuilder' in this scope (fix
available)clang(use_of_tag_name_without_tag)
string_builder.h(65, 13): Class 'StringBuilder' is hidden by a non-type
declaration of 'StringBuilder' here
```
I think by changing the namespace from arrow::ipc::internal to arrow::util
causes a collision with
https://github.com/apache/arrow/blob/75acf37683cc32556fbea00771e66eae8af73a42/cpp/src/arrow/util/string_builder.h#L65
so adding `class` helps disambiguate. Is there a better way maybe?
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