--- a/testing1/collatz.scala	Fri Feb 23 22:26:42 2018 +0000
+++ b/testing1/collatz.scala	Thu Mar 08 12:32:50 2018 +0000
@@ -21,3 +21,9 @@
 }
 
 
+def Collat(n: Long, r: Int = 1) : Int = 
+  if (n == 1) r else
+   if (n % 2 == 0) Collat(n / 2 , r + 1) else
+     Collat (3 * n + 1 , r + 1)
+
+(1 to 10).map(collatz(_))