# HG changeset patch
# User Christian Urban <christian dot urban at kcl dot ac dot uk>
# Date 1485307517 0
# Node ID a7ce74d890859b311897e50f14bab8648d2a0fde
# Parent  4438356d87def5974e4e81ae9e89c9db64a8361a
updated

diff -r 4438356d87de -r a7ce74d89085 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