view tests/fact.ur @ 1884:5c30eea7aa78

ListPair.map2, based on code by escalier@riseup.net
author Adam Chlipala <adam@chlipala.net>
date Sun, 03 Nov 2013 19:27:30 -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>