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view tests/sidecheck.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 154cfe2eb366
children
line wrap: on
line source
fun main () : transaction page =
    s <- source 0;
    n <- get s;
    set s (n + 1);
    n' <- get s;
    return <xml>{[n']}</xml>