Can anyone explain this? Hugs doesn't complain.
Prelude> :set --version
The Glorious Glasgow Haskell Compilation System, version 5.04.1
test.hs:5:
No instance for (Num Bool)
arising from the instance declaration at test.hs:5
In the instance declaration for `Bits Bool'
module Main(main) where
import Bits
instance Bits Bool where
complement False = True
complement True = False
Dominic Steinitz
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