From f223822addd309cd20b5b01e34548496e6d33251 Mon Sep 17 00:00:00 2001
From: Adam Chlipala <adamc@hcoop.net>
Date: Thu, 6 Aug 2009 15:23:04 -0400
Subject: Fix type class resolution infinite loop, discovered while meeting
 with Ezra

---
 tests/filter.ur | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 tests/filter.ur

(limited to 'tests/filter.ur')

diff --git a/tests/filter.ur b/tests/filter.ur
new file mode 100644
index 00000000..efd326c3
--- /dev/null
+++ b/tests/filter.ur
@@ -0,0 +1,9 @@
+fun filter [fs ::: {Type}] [ks] (t : sql_table fs ks) (p : sql_exp [T = fs] [] [] bool)
+   : sql_query [T = fs] [] =
+   (SELECT * FROM t WHERE {p})
+
+table t : { A : int, B : float }
+
+fun main () =
+    queryX (filter t (WHERE t.A > 3))
+           (fn r => <xml>{[r.T.A]}, {[r.T.B]}</xml>)
-- 
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