Scala: how can I sort an array of tuples by their second element?

Question

is there a way in Scala to sort an array of tuples using and arbitrary comparison function? In particular I need to sort and array of tuples by their second element, but I wante

Answer 1

You probably want def stableSort[K](a : Seq[K], f : (K, K) => Boolean) : Array[K] from scala.util.Sorting.
Your comparison function would be something like _._2 < _._1