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https://issues.apache.org/jira/browse/FLINK-2152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14585726#comment-14585726
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ASF GitHub Bot commented on FLINK-2152:
---------------------------------------
Github user tillrohrmann commented on the pull request:
https://github.com/apache/flink/pull/832#issuecomment-112000953
Good work @andralungu.
The data set utils are not working with the Scala API. Would be nice to
support for Scala a syntax like
```
val ds: DataSet[String] = ...
val zipped: DataSet[(Long, String)] = ds.zipWithIndex
```
> Provide zipWithIndex utility in flink-contrib
> ---------------------------------------------
>
> Key: FLINK-2152
> URL: https://issues.apache.org/jira/browse/FLINK-2152
> Project: Flink
> Issue Type: Improvement
> Components: Java API
> Reporter: Robert Metzger
> Assignee: Andra Lungu
> Priority: Trivial
> Labels: starter
>
> We should provide a simple utility method for zipping elements in a data set
> with a dense index.
> its up for discussion whether we want it directly in the API or if we should
> provide it only as a utility from {{flink-contrib}}.
> I would put it in {{flink-contrib}}.
> See my answer on SO:
> http://stackoverflow.com/questions/30596556/zipwithindex-on-apache-flink
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