kou opened a new pull request, #40497: URL: https://github.com/apache/arrow/pull/40497
### Rationale for this change Using `G_DECLARE_DERIVABLE_TYPE()` or its family is the recommended way to declare a class (type). ### What changes are included in this PR? Replace raw `#define`s with `G_DECLARE_DERIVABLE_TYPE()`. ### Are these changes tested? Yes. ### Are there any user-facing changes? No. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
