diff -r 21f41e08457d -r ae4708c851ee marking/re2a_test.scala
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/marking/re2a_test.scala	Wed Dec 21 03:06:18 2016 +0000
@@ -0,0 +1,14 @@
+import scala.concurrent._
+import scala.concurrent.duration._
+import ExecutionContext.Implicits.global
+import scala.language.postfixOps 
+
+
+
+lazy val f = Future {
+  assert(iterT(200000, (x: Int) => x + 1, 0) == 200000)
+  assert(iterT(100, (x: BigInt) => x * 2, BigInt(2)) == BigInt("2535301200456458802993406410752"))
+  assert(iterT(10, (x: String) => x ++ "a", "a") == "aaaaaaaaaaa") 
+}
+
+Await.result(f, 120 second)