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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 78358e5df273
children
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fun ancillary () : transaction page = return <xml/>

fun ancillary () = return <xml>
        Welcome to the ancillary page!
</xml>

fun main () : transaction page = return <xml><body>
        <a link={ancillary ()}>Enter the unknown!</a>
</body></xml>