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annotate tests/optionM.ur @ 2185:cbd294994c69

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Monad.mapR3
author Adam Chlipala <adam@chlipala.net>
date Sat, 31 Oct 2015 11:49:30 -0400
parents a99b743a3087
children
rev   line source
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>