[jira] [Created] (FLINK-5877) Fix Scala snippet in Async I/O API doc

[Shang Yuanchun (Jira)]

Andrea Sella created FLINK-5877:
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             Summary: Fix Scala snippet in Async I/O API doc
                 Key: FLINK-5877
                 URL: https://issues.apache.org/jira/browse/FLINK-5877
             Project: Flink
          Issue Type: Improvement
          Components: Documentation
            Reporter: Andrea Sella
            Assignee: Andrea Sella
            Priority: Minor


The current `docs/dev/stream/asyncio.md` has an error in the Scala snippet, it doesn't use the Scala AsyncFunction and the brackets are inconsistent.



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