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annotate tests/optionM.ur @ 1544:a99b743a3087

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Basis.mkMonad
author Adam Chlipala <adam@chlipala.net>
date Fri, 19 Aug 2011 15:23:01 -0400
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adam@1544 1 fun main () : transaction page = return <xml>{[x <- Some 1;
adam@1544 2 y <- Some 2;
adam@1544 3 return (x + y)]}</xml>