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[clean-tests.git]
/
eadt
/
Sub.icl
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implementation module Sub
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import StdEnv
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import main
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import Mul
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evalSub :: Expr -> Int
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evalSub (e1 -. e2) = eval e1 - eval e2
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evalSub x = evalMul x
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pprintSub :: Expr -> String
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pprintSub (e1 -. e2) = pprint e1 +++ " - " +++ pprint e2
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pprintSub x = pprintMul x