Github user srowen commented on the pull request:
https://github.com/apache/spark/pull/1069#issuecomment-46002724
Yes, but then what warnings is this resolving?
I understand one compiler flag is shorter than imports. I also understand
that these language features are considered errors in Scala 2.11, instead of
warnings. It seems like they are kind of discouraged or at least something that
has to be explicitly enabled by the developer. Rather than globally reverse
this, it seemed better (although more verbose) to only enable them where
needed, and then perhaps consider later whether the code should be using these
constructs. It also means you don't require special compiler flags to get the
source to compile.
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