Timur Fayruzov created FLINK-3698:
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Summary: Scala Option can't be used as a key
Key: FLINK-3698
URL: https://issues.apache.org/jira/browse/FLINK-3698
Project: Flink
Issue Type: Bug
Components: Core
Reporter: Timur Fayruzov
Priority: Minor
Discussion:
http://mail-archives.apache.org/mod_mbox/flink-user/201603.mbox/%3CCAO0MGUjWQaovvUvAB%3DBYrwQzA0ocFtMy4%3DV%3DP--343Sy1V5BSg%40mail.gmail.com%3E
Option should be treated the same way as other generic objects where it can be
used as a key if generic argument implements Comparable.
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