Mercurial > urweb

annotate tests/thog.ur @ 1308:714e8b84221b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
-limit for running time
author Adam Chlipala <adam@chlipala.net>
date Thu, 14 Oct 2010 11:35:56 -0400
parents
children
rev   line source
adam@1308 1 fun ack (m, n) =
adam@1308 2 if m = 0 then
adam@1308 3 n + 1
adam@1308 4 else if n = 0 then
adam@1308 5 ack (m - 1, 1)
adam@1308 6 else
adam@1308 7 ack (m - 1, ack (m, n - 1))
adam@1308 8
adam@1308 9 fun main n = return <xml>{[ack (n, 4)]}</xml>