1 files changed, 9 insertions, 0 deletions
diff --git a/src/Config.elm b/src/Config.elm
new file mode 100644
index 0000000..60f4cc3
--- /dev/null
+++ b/src/Config.elm
@@ -0,0 +1,9 @@
+module Config where
+
+data Config = White | Black
+
+otherConfig : Config -> Config
+otherConfig config =
+  case config of
+    White -> Black
+    Black -> White