Stephan Ewen created FLINK-4920:
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Summary: 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
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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