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https://issues.apache.org/jira/browse/FLINK-1450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14361730#comment-14361730
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ASF GitHub Bot commented on FLINK-1450:
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Github user akshaydixi commented on the pull request:
https://github.com/apache/flink/pull/481#issuecomment-80363751
Ok @gyfora, thanks for reviewing!
I picked this issue since it seemed a good way to get a handle of
flink-streaming as I'm interested in pursuing FLINK-1534 and FLINK-1617. But
I'll be glad to work more on this and try to implement more of the features
you've described. They do seem challenging so I'll count on your help in the
tougher bits :)
> Add Fold operator to the Streaming api
> --------------------------------------
>
> Key: FLINK-1450
> URL: https://issues.apache.org/jira/browse/FLINK-1450
> Project: Flink
> Issue Type: New Feature
> Components: Streaming
> Affects Versions: 0.9
> Reporter: Gyula Fora
> Priority: Minor
> Labels: starter
>
> The streaming API currently doesn't support a fold operator.
> This operator would work as the foldLeft method in Scala. This would allow
> effective implementations in a lot of cases where a the simple reduce is
> inappropriate due to different return types.
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