Created
June 23, 2011 05:48
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Compact Scala Option
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| scala> val myOpt:Option[Int] = Some(1234) | |
| myOpt: Option[Int] = Some(1234) | |
| scala> myOpt.map { _.toString.reverse.mkString("*")}.getOrElse("unknown") | |
| res2: String = 4*3*2*1 | |
| scala> val myOpt:Option[Int] = None | |
| myOpt: Option[Int] = None | |
| scala> myOpt.map { _.toString.reverse.mkString("*")}.getOrElse("unknown") | |
| res3: String = unknown |
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