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beranradek/sumprices.scala

Created February 18, 2013 09:46
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sumprices.scala
// Posčítání cen automobilů, jejichž výrobcem je Porsche:
case class CarModel(carMaker: CarMaker.Value, name: String,
price: Option[Int])
val models: List[CarModel] = ...
models.view.filter(_.carMaker == CarMaker.Porsche).map(
_.price.getOrElse(0)).sum
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