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https://issues.apache.org/jira/browse/ARROW-6072?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17329255#comment-17329255
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Antoine Pitrou commented on ARROW-6072:
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cc [~edponce]
> [C++] Implement casting List <-> LargeList
> ------------------------------------------
>
> Key: ARROW-6072
> URL: https://issues.apache.org/jira/browse/ARROW-6072
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Antoine Pitrou
> Priority: Minor
>
> We should implement bidirectional casts from List to LargeList and vice-versa.
> In the narrowing direction, the offset width should be checked.
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