Re: [Haskell-cafe] Confused about type seen in the wild

No problems here: # ghci GHCi, version 7.6.3: http://www.haskell.org/ghc/ :? for help Loading package ghc-prim ... linking ... done. Loading package integer-gmp ... linking ... done. Loading package base ... linking ... done. Prelude> let whee :: Show a => Eq a => a => Bool; whee x = x == x && null (show x) Prelude> :t whee whee :: (Eq a, Show a) => a -> Bool -- Kim-Ee