Github user markhamstra commented on a diff in the pull request:
https://github.com/apache/spark/pull/14332#discussion_r71993558
--- Diff:
examples/src/main/scala/org/apache/spark/examples/ml/DataFrameExample.scala ---
@@ -54,14 +54,13 @@ object DataFrameExample {
}
}
- parser.parse(args, defaultParams).map { params =>
- run(params)
- }.getOrElse {
- sys.exit(1)
+ parser.parse(args, defaultParams) match {
+ case Some(params) => run(params)
+ case _ => sys.exit(1)
}
--- End diff --
Oh, and the "less obvious" argument is why my opinion on `fold` with
`Option` was rejected -- even though it is a perfectly logical and obvious
thing to do for a functional programmer.
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