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From "Gyula Fora (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-1450) Add Fold operator to the Streaming api
Date Sun, 25 Jan 2015 13:07:34 GMT
Gyula Fora created FLINK-1450:
---------------------------------

             Summary: 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


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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