1 files changed, 55 insertions, 0 deletions
diff --git a/test-suite/modules/Demo.v b/test-suite/modules/Demo.v
new file mode 100644
index 000000000..1e9273f07
--- /dev/null
+++ b/test-suite/modules/Demo.v
@@ -0,0 +1,55 @@
+Module M.
+  Definition t:=nat.
+  Definition x:=O.
+End M.
+
+Print M.t.
+
+
+Module Type SIG.
+  Parameter t:Set.
+  Parameter x:t.
+End SIG.
+
+
+Module F[X:SIG].
+  Definition t:=X.t->X.t.
+  Definition x:t.
+    Intro.
+    Exact X.x.
+  Defined.
+  Definition y:=X.x.
+End F.
+
+
+Module N := F M.
+
+Print N.t.
+Eval Compute in N.t.
+
+
+Module N' : SIG := N.
+
+Print N'.t.
+Eval Compute in N'.t.
+
+
+Module N'' <: SIG := F N.
+
+Print N''.t.
+Eval Compute in N''.t.
+
+Eval Compute in N''.x.
+
+
+Module N''' : SIG with Definition t:=nat->nat  :=  N.
+
+Print N'''.t.
+Eval Compute in N'''.t.
+
+Print N'''.x.
+
+
+Import N'''.
+
+Print t.
+\ No newline at end of file