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app51.scala
author Christian Urban <urbanc@in.tum.de>
Fri, 12 Oct 2012 05:45:48 +0100
changeset 33 92b3e287d87e
parent 7 73cf4406b773
permissions -rw-r--r--
slides 4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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abstract class Rexp
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case object NULL extends Rexp













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case object EMPTY extends Rexp













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case class CHAR(c: Char) extends Rexp













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case class ALT(r1: Rexp, r2: Rexp) extends Rexp













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case class SEQ(r1: Rexp, r2: Rexp) extends Rexp













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case class STAR(r: Rexp) extends Rexp















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