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https://issues.apache.org/jira/browse/ARROW-2665?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16500302#comment-16500302
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Krisztian Szucs commented on ARROW-2665:
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[~xhochy] Where should the search happen, on cpp side?
> [Python] Add index() method to find first occurence of Python scalar
> --------------------------------------------------------------------
>
> Key: ARROW-2665
> URL: https://issues.apache.org/jira/browse/ARROW-2665
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Python
> Reporter: Uwe L. Korn
> Priority: Major
>
> Python lists have an {{index(x, start, end)}} method to find the first
> occurence of an element. We should add a method with the same interface
> supporting Python scalars on the typical triplet
> {{Array/ChunkedArray/Columns}}.
> See also
> https://docs.python.org/3.6/tutorial/datastructures.html#more-on-lists
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