--- a/marking5/bf_test2.scala	Wed Oct 30 11:51:02 2019 +0000
+++ b/marking5/bf_test2.scala	Wed Oct 30 12:37:18 2019 +0000
@@ -1,3 +1,4 @@
+import CW10a._
 
 assert(sread(Map(), 2) == 0)
 assert(sread(Map(2 -> 1), 2) == 1)