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https://issues.apache.org/jira/browse/ARROW-4340?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16767879#comment-16767879
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Wes McKinney commented on ARROW-4340:
-------------------------------------

I just put up a patch. Please help by periodically looking at the IWYU report.

Be careful about what you change -- there are some weird things it reports that 
will break MSVC if you change them. We probably will need to tweak the mappings 
files now and then

> [C++] Update IWYU version in the `lint` dockerfile
> --------------------------------------------------
>
>                 Key: ARROW-4340
>                 URL: https://issues.apache.org/jira/browse/ARROW-4340
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Krisztian Szucs
>            Assignee: Wes McKinney
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 0.13.0
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> I was trying to cleanup the c++ imports based on the current docker-iwyu 
> suggestions, but it requires to be customized (symbol maps and pragmas) more 
> than it is currently. It'd also help a lot to use the latest IWYU version 
> (see the changelog https://include-what-you-use.org/)



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