progs/app02.scala
author Christian Urban <urbanc@in.tum.de>
Wed, 24 Oct 2018 16:03:07 +0100
changeset 586 451a95e1bc25
parent 520 2849c305b12d
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typos
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abstract class Val
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case object Empty extends Val
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case class Chr(c: Char) extends Val
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case class Sequ(v1: Val, v2: Val) extends Val
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case class Left(v: Val) extends Val
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case class Right(v: Val) extends Val
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case class Stars(vs: List[Val]) extends Val