Created
March 18, 2014 14:04
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function, PartialFunction, AddPositivePartialFunction
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object ScalaHackSession { | |
object AddPositivePartialFunction extends PartialFunction[(Double, Double), Double] { | |
override def isDefinedAt(abTuple: (Double, Double)): Boolean = abTuple._1 > 0 && abTuple._2 > 0 | |
override def apply(abTuple: (Double, Double)): Double = abTuple._1 + abTuple._2 | |
} | |
AddPositivePartialFunction(2,3) //> res0: Double = 5.0 | |
AddPositivePartialFunction.isDefinedAt(-2, -3) //> res1: Boolean = false | |
} |
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