Mercurial > urweb
view tests/updateErr.ur @ 1851:1239ba1a1671
New release
author | Adam Chlipala <adam@chlipala.net> |
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date | Sun, 21 Apr 2013 10:29:30 -0400 |
parents | 7c6b6c3c7b79 |
children | abb0e95dcaa1 |
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fun main () : transaction page = s <- source ""; b <- Buffer.create; txt <- source ""; return <xml><body onload={onError (fn xml => Buffer.write b (show xml)); onFail (fn s => alert ("FAIL! " ^ s))}> <dyn signal={s <- signal s; return <xml>{[s]}</xml>}/><br/> <dyn signal={s <- signal s; if s = "" then return <xml>Init</xml> else error <xml>Crapky</xml>}/><br/> <dyn signal={s <- signal s; return <xml>"{[s]}"</xml>}/><br/> <ctextbox source={txt}/> <button onclick={s' <- get txt; set s s'; set txt ""}/> <hr/> <dyn signal={Buffer.render b}/> </body></xml>