updated draft
authorChristian Urban <christian dot urban at kcl dot ac dot uk>
Wed, 25 Jan 2017 01:25:17 +0000
changeset 104 a7ce74d89085
parent 103 4438356d87de
child 105 0f9f774c7697
updated
progs/roman.scala
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/progs/roman.scala	Wed Jan 25 01:25:17 2017 +0000
@@ -0,0 +1,8 @@
+abstract class RomanDigit 
+case object I extends RomanDigit 
+case object V extends RomanDigit 
+case object X extends RomanDigit 
+case object L extends RomanDigit 
+case object C extends RomanDigit 
+case object D extends RomanDigit 
+case object M extends RomanDigit