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Merge bbaren's fix for bug 209.
author Ziv Scully <ziv@mit.edu>
date Tue, 13 Oct 2015 14:22:05 -0400
parents 714e8b84221b
children
line wrap: on
line source
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>