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-- !!! Test that 'negate' is used properly to construct negative literals
main = print (minusTwo,trueOrFalse)
minusTwo = -2::N
trueOrFalse =
case minusTwo of
-2 -> True
_ -> False
data N = Negate N | FromInteger Integer deriving (Eq,Show)
instance Num N where
negate = Negate
fromInteger = FromInteger
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