westonpace commented on a change in pull request #9643:
URL: https://github.com/apache/arrow/pull/9643#discussion_r595477623
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File path: cpp/src/arrow/util/type_fwd.h
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@@ -17,14 +17,14 @@
#pragma once
+#include <functional>
Review comment:
Yes. It only needed to be up here to allow RecordBatchGenerator (I was
looking for parity with RecordBatchIterator). I'll pull it out.
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