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[ghc-hetmet.git]
/
ghc
/
tests
/
ghci
/
prog003
/
D2.hs
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module D where
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-- data types and an instance
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data D a = A Int | B Float deriving Eq
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newtype N a = N Double
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type T a = (Int,Double)
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-- a class
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class C a where c :: a -> Int
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-- a function
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d :: Float -> Float
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d x = x / 3