--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/sig_impl.ur	Sun Aug 31 08:32:18 2008 -0400
@@ -0,0 +1,58 @@
+signature S = sig
+        type t
+        val x : t
+end
+
+structure M : S = struct
+        val x = 0
+end
+
+signature S = sig
+        con r :: {Type}
+        val x : $r
+end
+
+structure M : S = struct
+        val x = {A = 0, B = "Hi"}
+end
+
+signature S = sig
+        type t
+        con r :: {Type}
+        val x : t -> $r
+end
+
+structure M : S = struct
+        val x = fn v : int => {A = 0, B = "Hi"}
+end
+
+signature S = sig
+        con nm :: Name
+        con t :: Type
+        con r :: {Type}
+        val x : $([nm = t] ++ r)
+end
+
+structure M : S = struct
+        val x = {A = 0, B = "Hi"}
+end
+
+signature S = sig
+        con nm :: Name
+        con r :: {Type}
+        val x : $([nm = int] ++ r)
+end
+
+structure M : S = struct
+        val x = {A = 0, B = "Hi"}
+end
+
+signature S = sig
+        con nm :: Name
+        con r :: {Type}
+        val x : $([nm = string] ++ r)
+end
+
+structure M : S = struct
+        val x = {A = 0, B = "Hi"}
+end