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kastoestoramadus/S99_P02.scala

Last active August 29, 2015 14:02
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S99_P02.scala
package pl.japila.scalania.s99
object S99_P02 {
def penultimate[T](ts: Seq[T]): T = ts match {
case a :: b :: Nil => Some(a)
case a:: tail => None
case _ => penultimate(ts.tail)
}
}
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