1 files changed, 15 insertions, 0 deletions
diff --git a/tests/datatypeP2.ur b/tests/datatypeP2.ur
new file mode 100644
index 00000000..09cc964a
--- /dev/null
+++ b/tests/datatypeP2.ur
@@ -0,0 +1,15 @@
+datatype sum a b = Left of a | Right of b
+
+val l : sum int string = Left 5
+val r : sum int string = Right "Hi"
+
+val show = fn x : sum int string => case x of Left _ => "Left _" | Right s => s
+
+val page = fn x => <html><body>
+        {cdata (show x)}
+</body></html>
+
+val main : unit -> page = fn () => <html><body>
+        <li><a link={page l}>Left</a></li>
+        <li><a link={page r}>Right</a></li>
+</body></html>