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A comment on Dotty 0.2.0-RC1. Parent comment

Re:Dotty 0.2.0-RC1 by walkingolof on Wednesday July 12, 2017 @09:39AM (#14752410)
No, Dotty is the next generation Scala compiler, the syntax is overwhelmingly compatible, with new features and some breakage.

Just like Go has "gofix", Scala will have "Scalafix", that will automate migration between Scala 2.x (scalac) and Scala 3.x (Dotty)

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Re:Dotty 0.2.0-RC1 by AheadOfTime295 on Wednesday July 12, 2017 @12:49PM (#14754111)
Migration problems can be tricky. An umbrella ticket [1] tracks Spark's migration from Scala 2.11 to 2.12

"Tricky" as in [2] "Spark 1.x's Dataset API runs into subtle source incompatibility problems for Java 8 and Scala 2.12"

[1] https://issues.apache.org/jira/browse/SPARK-14220

[2] https://issues.apache.org/jira/browse/SPARK-14643

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