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package org.perl8
package object test {
import language.implicitConversions
implicit def intToPlan (p: Int): Plan =
NumericPlan(p)
implicit def stringToMessage (s: String): Message =
new HasMessage(s)
sealed trait Plan {
val plan: Int
val skipAll: Boolean
val message: Option[String]
}
case class NumericPlan (plan: Int) extends Plan {
val skipAll = false
val message = None
}
case object NoPlan extends Plan {
val plan = 0
val skipAll = false
val message = None
}
case class SkipAll (msg: String) extends Plan {
val plan = 0
val skipAll = true
val message = Some(msg)
}
case object SkipAllNoMessage extends Plan {
val plan = 0
val skipAll = true
val message = None
}
object SkipAll {
def apply () = SkipAllNoMessage
}
sealed trait Message
case class HasMessage (contents: String) extends Message
case object NoMessage extends Message
implicit def messageToOption (message: Message): Option[String] =
message match {
case HasMessage(x) => Some(x)
case NoMessage => None
}
implicit def optionToMessage (option: Option[String]): Message =
option match {
case Some(x) => HasMessage(x)
case None => NoMessage
}
case class BailOutException (message: String)
extends RuntimeException(message)
}
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