Mercurial > urweb
view tests/transact.ur @ 1469:a354b306f948
Explain how to signal an error in a commit handler
author | Adam Chlipala <adam@chlipala.net> |
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date | Tue, 31 May 2011 09:14:03 -0400 |
parents | 1cc67fdac4d3 |
children |
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fun listHell n = if n <= 0 then [] else n :: List.append (listHell (n-1)) (listHell (n-1)) fun doit r = Transactional.foo; return <xml>{[listHell (readError r.N)]}</xml> fun main () = return <xml><body> <form> <textbox{#N}/> <submit action={doit}/> </form> </body></xml>