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Make that purity analysis a bit more lax again
author Adam Chlipala <adam@chlipala.net>
date Sun, 19 Jan 2014 14:31:55 -0500
parents 714e8b84221b
children
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fun ack (m, n) =
    if m = 0 then
        n + 1
    else if n = 0 then
        ack (m - 1, 1)
    else
        ack (m - 1, ack (m, n - 1))

fun main n = return <xml>{[ack (n, 4)]}</xml>