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view tests/tail.ur @ 1437:493e087f5479
Exit periodic loop if a ROLLBACK fails, to avoid infinite looping when the database server is brought down
author | Adam Chlipala <adam@chlipala.net> |
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date | Fri, 18 Mar 2011 09:12:55 -0400 |
parents | d80734855790 |
children |
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fun one () = return 1 fun addEm n = if n = 0 then return 0 else n1 <- rpc (one ()); n2 <- addEm (n - 1); return (n1 + n2) fun addEm' n acc = if n = 0 then return acc else n1 <- rpc (one ()); addEm' (n - 1) (n1 + acc) fun main () = s <- source 0; s' <- source 0; return <xml><body onload={n <- addEm 3; set s n; n <- addEm' 4 0; set s' n; alert "Welcome!"}> <dyn signal={n <- signal s; return (txt n)}/> <dyn signal={n <- signal s'; return (txt n)}/> </body></xml>