Created
February 14, 2009 13:55
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Nullify: dealing with null in Scala
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| scala> def nullify[T >: Null <: AnyRef](x : Option[T]) = x getOrElse null | |
| nullify: [T >: Null <: AnyRef](Option[T])T | |
| scala> val result1 : Option[String] = Some("hello") | |
| result1: Option[String] = Some(hello) | |
| scala> val result2 : Option[String] = None | |
| result2: Option[String] = None | |
| scala> nullify(result1) | |
| res0: String = hello | |
| scala> nullify(result2) | |
| res1: String = null |
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