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https://issues.apache.org/jira/browse/ARROW-4031?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16721715#comment-16721715
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Wes McKinney commented on ARROW-4031:
-------------------------------------
Makes sense. If you do start working on this you may want to hold off until
https://github.com/apache/arrow/pull/3171 is merged (since a bunch of the code
is moved around)
> [C++] Refactor ArrayBuilder bitmap logic into TypedBufferBuilder<bool>
> ----------------------------------------------------------------------
>
> Key: ARROW-4031
> URL: https://issues.apache.org/jira/browse/ARROW-4031
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Benjamin Kietzman
> Priority: Minor
>
> It would be useful to have a specialization of TypedBufferBuilder to simplify
> building buffers of bits. This could then be utilized by ArrayBuilder (for
> the null bitmap) and BooleanBuilder (for values)
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