Anonymous functions with tuple parameters

gistfile1.scala

scala> val l = List((1,2), (2,3))
l: List[(Int, Int)] = List((1,2), (2,3))

scala> l map { case (i, j) => i+j }        
res5: List[Int] = List(3, 5)

scala> import Function.tupled
import Function.tupled

scala> l map tupled { (i, j) => i + j }
res6: List[Int] = List(3, 5)