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prelude: |
  #!/usr/bin/ruby
  # -*- mode: ruby -*-
  # $Id: ackermann-ruby.code,v 1.4 2004/11/13 07:40:41 bfulgham Exp $
  # http://www.bagley.org/~doug/shootout/
benchmark:
  so_ackermann: |

    def ack(m, n)
        if m == 0 then
            n + 1
        elsif n == 0 then
            ack(m - 1, 1)
        else
            ack(m - 1, ack(m, n - 1))
        end
    end

    NUM = 9
    ack(3, NUM)
loop_count: 1