ref: ecd3c2ec78634f6a125d8d28d8ae2d04bce3ad04
dir: /lib/Data/Eq.hs/
module Data.Eq( module Data.Eq ) where import Data.Bool infix 4 ==,/= class Eq a where (==) :: a -> a -> Bool (/=) :: a -> a -> Bool x /= y = not (x == y) -- Put Eq instance here, it would be a circular dependency -- if it were in Data.Bool. instance Eq Bool where False == x = not x True == x = x