From 9e6bd5dd1394c99f0a9b29369a4957c958e0830c Mon Sep 17 00:00:00 2001
From: Adam Chlipala <adamc@hcoop.net>
Date: Thu, 14 May 2009 09:11:58 -0400
Subject: Fix a nasty binding bug in CoreUtil

---
 lib/ur/list.ur  | 10 ++++++++++
 lib/ur/list.urs |  1 +
 2 files changed, 11 insertions(+)

(limited to 'lib')

diff --git a/lib/ur/list.ur b/lib/ur/list.ur
index 5310c810..ecec2bec 100644
--- a/lib/ur/list.ur
+++ b/lib/ur/list.ur
@@ -29,3 +29,13 @@ fun mp (a ::: Type) (b ::: Type) f =
     in
         mp' []
     end
+
+fun mapX (a ::: Type) (ctx ::: {Unit}) f =
+    let
+        fun mapX' ls =
+            case ls of
+                [] => <xml/>
+              | x :: ls => <xml>{f x}{mapX' ls}</xml>
+    in
+        mapX'
+    end
diff --git a/lib/ur/list.urs b/lib/ur/list.urs
index 879648ea..e9e097d4 100644
--- a/lib/ur/list.urs
+++ b/lib/ur/list.urs
@@ -6,3 +6,4 @@ val rev : a ::: Type -> t a -> t a
 
 val mp : a ::: Type -> b ::: Type -> (a -> b) -> t a -> t b
 
+val mapX : a ::: Type -> ctx ::: {Unit} -> (a -> xml ctx [] []) -> t a -> xml ctx [] []
-- 
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