westonpace commented on a change in pull request #8984:
URL: https://github.com/apache/arrow/pull/8984#discussion_r554217402
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File path: cpp/src/arrow/array/array_dict.cc
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@@ -44,6 +44,29 @@ namespace arrow {
using internal::checked_cast;
using internal::CopyBitmap;
+struct MaxIndexAccessor {
Review comment:
Even better, it turns out `util/int_util.h` already had what I needed.
I switched to using `internal::IntegersCanFit`.
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