Plan 9 from Bell Labs’s /usr/web/sources/contrib/fernan/nhc98/tests/nofib/UNUSED/nfib_overloaded/Main.hs

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Distributed under the MIT License.
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-- !!! the ultra-notorious "nfib 30" (overloaded arithmetic)
--
module Main (main) where

main = print (nfib 30)

nfib 0 = 1
nfib 1 = 1
nfib n = nfib (n - 2) + nfib (n - 1) + 1

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