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view tests/optionM.ur @ 1860:d54984564bcd

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Make that error message even more helpful
author Adam Chlipala <adam@chlipala.net>
date Wed, 17 Jul 2013 10:48:31 -0400
parents a99b743a3087
children
line wrap: on
line source
fun main () : transaction page = return <xml>{[x <- Some 1;
                                               y <- Some 2;
                                               return (x + y)]}</xml>