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Interpret 'table' signature items more flexibly, automatically adding (Ur) constraints to support a kind of subtyping over (SQL) constraint sets
author Adam Chlipala <adam@chlipala.net>
date Mon, 04 Nov 2013 15:14:23 -0500
parents 78e0d56b594e
children
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fun zero () = return 0

fun main () : transaction page =
    z <- rpc (zero ());
    return <xml>{[z]}</xml>