A small test for type inference (used to be a regression at some time).

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14759 85f007b7-540e-0410-9357-904b9bb8a0f7

1 files changed, 14 insertions, 0 deletions

diff --git a/test-suite/output/inference.v b/test-suite/output/inference.v
new file mode 100644
index 000000000..968ea71a9
--- /dev/null
+++ b/test-suite/output/inference.v
@@ -0,0 +1,14 @@
+(* Check that types are not uselessly unfolded *)
+
+(* Check here that P returns something of type "option L" and not
+   "option (list nat)" *)
+
+Definition L := list nat.
+
+Definition P (e:option L) :=
+  match e with
+  | None => None
+  | Some cl => Some cl
+  end.
+
+Print P.