Sean Owen fa95a5c395 [SPARK-29411][CORE][ML][SQL][DSTREAM] Replace use of Unit object with () for Scala 2.13 ... ### What changes were proposed in this pull request? Replace `Unit` with equivalent `()` where code refers to the `Unit` companion object. ### Why are the changes needed? It doesn't compile otherwise in Scala 2.13. - https://github.com/scala/scala/blob/v2.13.0/src/library/scala/Unit.scala#L30 ### Does this PR introduce any user-facing change? Should be no behavior change at all. ### How was this patch tested? Existing tests. Closes #26070 from srowen/SPARK-29411. Authored-by: Sean Owen <sean.owen@databricks.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>		2019-10-09 10:24:13 -07:00
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main	[SPARK-29411][CORE][ML][SQL][DSTREAM] Replace use of Unit object with () for Scala 2.13	2019-10-09 10:24:13 -07:00
test	[SPARK-29392][CORE][SQL][STREAMING] Remove symbol literal syntax 'foo, deprecated in Scala 2.13, in favor of Symbol("foo")	2019-10-08 20:15:37 -07:00