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diff tests/parseInt.ur @ 1630:4798ad652c94

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Stop [read] from raising an exception for invalid [int] strings
author Adam Chlipala <adam@chlipala.net>
date Sun, 04 Dec 2011 15:13:53 -0500
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/parseInt.ur	Sun Dec 04 15:13:53 2011 -0500
@@ -0,0 +1,9 @@
+fun main () : transaction page =
+    s <- source "";
+    return <xml><body>
+      <ctextbox source={s}/>
+      <button onclick={n <- get s;
+                       case read n of
+                           None => alert "Invalid"
+                         | Some n => alert (show (n + 1))}/>
+    </body></xml>