From 07249bc2c07b2af3b9decb84ce968e3005a19c0f Mon Sep 17 00:00:00 2001
From: Adam Chlipala <adamc@hcoop.net>
Date: Sun, 7 Jun 2009 14:15:22 -0400
Subject: List.all; fix ANDALSO/ORELSE parsing precedence

---
 lib/ur/list.ur | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'lib/ur/list.ur')

diff --git a/lib/ur/list.ur b/lib/ur/list.ur
index 89dc8bbd..771cddc3 100644
--- a/lib/ur/list.ur
+++ b/lib/ur/list.ur
@@ -161,3 +161,13 @@ fun foldlM [m] (_ : monad m) [a] [b] f =
     in
         foldlM'
     end
+
+fun all [m] f =
+    let
+        fun all' ls =
+            case ls of
+                [] => True
+              | x :: ls => f x && all' ls
+    in
+        all'
+    end
-- 
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