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Scala? It's still a very young language, though.



Oh, but it's introduced plenty of quirks of its own, which will have to be painfully removed down the line. Odersky himself is trying to redo and simplify the type system with his Dotty project.

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What have they removed from the standard library? Just curious.

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It's more a case of replace than remove...

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Just compare the ScalaDoc of different Scala versions.

Things which come to mind (comparing roughly 2.8 (released 2010-07) to 2.11 (released 2013-03)):

Classes (just from the top-level scala.* package):

  - Application
  - Cell
  - cloneable
  - CountedIterator
  - NotDefinedError
  - NotNull
  - Responder
  - serializable
Complete packages:

  - scala.actors and subpackages
  - scala.collection.interfaces
  - scala.concurrent (still exists, but its contents have been replaced completely)
  - scala.dbc and subpackages
  - scala.mobile
  - scala.reflect.generic
  - scala.swing and subpackages
  - scala.testing
  - scala.text
  - scala.util.automata
  - scala.util.continuations
  - scala.util.grammar
  - scala.util.logging
  - scala.util.parsing and subpackages (includes parser combinators and JSON)
  - scala.util.regexp
  - scala.xml
(This of course doesn't include things which were demoted from scala to other namespaces like scala.util, scala.runtime, scala.annotations ...)

The list is certainly incomplete anyway...

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