1 files changed, 15 insertions, 0 deletions
diff --git a/tests/include.ur b/tests/include.ur
new file mode 100644
index 0000000..6661d0f
--- /dev/null
+++ b/tests/include.ur
@@ -0,0 +1,15 @@
+signature S = sig
+        type t
+        val x : t
+end
+
+signature S' = sig
+        include S
+        val y : t
+end
+
+signature S'' = sig
+        type u
+        include S' where type t = int
+        type v
+end