diff -r 6bb7810d2108 -r 37e659cfbb2e marking3/re1a_test.scala
--- a/marking3/re1a_test.scala	Fri Nov 30 13:06:09 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,11 +0,0 @@
-import CW8a._
-
-assert(nullable(ZERO) == false)
-assert(nullable(ONE) == true)
-assert(nullable(CHAR('a')) == false)
-assert(nullable(ZERO | ONE) == true)
-assert(nullable(ZERO | CHAR('a')) == false)
-assert(nullable(ONE ~  ONE) == true)
-assert(nullable(ONE ~ CHAR('a')) == false)
-assert(nullable(STAR(ZERO)) == true)
-