Created
January 2, 2015 22:42
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| scala> val x: Option[String] = Option[String](null) | |
| x: Option[String] = None | |
| scala> x.isDefined | |
| res0: Boolean = false | |
| scala> x.getOrElse("foo") | |
| res1: String = foo | |
| scala> x.map(_.length) | |
| res2: Option[Int] = None |
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