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https://issues.apache.org/jira/browse/FLINK-4920?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15826011#comment-15826011
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ASF GitHub Bot commented on FLINK-4920:
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Github user zentol commented on the issue:
https://github.com/apache/flink/pull/3080
merging.
> Add a Scala Function Gauge
> --------------------------
>
> Key: FLINK-4920
> URL: https://issues.apache.org/jira/browse/FLINK-4920
> Project: Flink
> Issue Type: Improvement
> Components: Metrics, Scala API
> Reporter: Stephan Ewen
> Assignee: Pattarawat Chormai
> Labels: easyfix, starter
>
> A useful metrics utility for the Scala API would be to add a Gauge that
> obtains its value by calling a Scala Function0.
> That way, one can add Gauges in Scala programs using Scala lambda notation or
> function references.
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