| author | Christian Urban <christian dot urban at kcl dot ac dot uk> |
| Fri, 07 Nov 2014 15:34:28 +0000 | |
| changeset 300 | 08d99acd35e8 |
| parent 288 | 39aeca14af8c |
| child 400 | e4afe3f46c29 |
| permissions | -rw-r--r-- |
abstract class Rexp case object NULL extends Rexp case object EMPTY extends Rexp case class CHAR(c: Char) extends Rexp case class ALT(r1: Rexp, r2: Rexp) extends Rexp case class SEQ(r1: Rexp, r2: Rexp) extends Rexp case class STAR(r: Rexp) extends Rexp case class REC(x: String, r: Rexp) extends Rexp