annotate tests/updateErr.ur @ 1242:4ed556678214

At loop heads, havoc relations that might be changed by the loop
author Adam Chlipala <adamc@hcoop.net>
date Sat, 17 Apr 2010 14:26:52 -0400
parents 7c6b6c3c7b79
children abb0e95dcaa1
rev   line source
adamc@729 1 fun main () : transaction page =
adamc@729 2 s <- source "";
adamc@729 3 b <- Buffer.create;
adamc@729 4 txt <- source "";
adamc@729 5
adamc@729 6 return <xml><body onload={onError (fn xml => Buffer.write b (show xml));
adamc@729 7 onFail (fn s => alert ("FAIL! " ^ s))}>
adamc@729 8 <dyn signal={s <- signal s; return <xml>{[s]}</xml>}/><br/>
adamc@729 9 <dyn signal={s <- signal s; if s = "" then return <xml>Init</xml> else error <xml>Crapky</xml>}/><br/>
adamc@729 10 <dyn signal={s <- signal s; return <xml>"{[s]}"</xml>}/><br/>
adamc@729 11
adamc@729 12 <ctextbox source={txt}/> <button onclick={s' <- get txt; set s s'; set txt ""}/>
adamc@729 13
adamc@729 14 <hr/>
adamc@729 15
adamc@729 16 <dyn signal={Buffer.render b}/>
adamc@729 17 </body></xml>