isSorted for arrays and seq

isSorted.scala

def isSorted[A] (items : Seq[A], ordered : (A,A) => Boolean) : Boolean =
    (items, items.tail).zipped.forall(ordered)
  	/*items match {
  		case null => true
  		case x :: Nil => true
  		case x :: y :: xs => ordered (x, y) && isSorted (xs, ordered)
  	}*/
  	
  isSorted(Seq(1,2,3), (a: Int, b: Int) => a < b);
	
	def isArraySorted[A] (items: Array[A], ord : (A,A) => Boolean) : Boolean = {
	  	for(i <- 0 until items.length-1) {
	  		 if(ord(items(i), items(i+1))) return true
	  	}
	  	return false
	}
	  
  isArraySorted(Array(1,2), (a: Int, b :Int) => a < b);