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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 a71223513c77
children
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fun fact n = if n <= 1 then 1 else n * fact (n - 1)

fun factTr n acc = if n <= 1 then acc else factTr (n - 1) (n * acc)

fun main () : transaction page = return <xml>{[fact 10]}, {[factTr 10 1]}</xml>