35 lines
1.1 KiB
Haskell
35 lines
1.1 KiB
Haskell
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#! /usr/bin/env runhaskell
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type Ingredient = (String, Double, Double)
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type Recette = ( String, [Ingredient], Double, Double)
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ingredientsLessive :: [Ingredient]
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ingredientsLessive = ( "Lessive"
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, [ ("Eau", 0.003, 2.5)
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, ("Savon de Marseille", 3.36, 0.1)
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, ("Bicarbonate de soude", 3.81, 0.016)
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, ("Vinaigre blanc", 0.36, 0.03)
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]
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, 2.5
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, 30
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)
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quantiteLessive = 2.5
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nombreUtilisations = 30
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prixTotal ingredientsLessive = sum . map (\ (_, x, y) -> x * y) $ ingredientsLessive
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prixLitre prixTotal quantiteLessive = prixTotal / quantiteLessive
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prixUtilisation prixTotal quantiteLessive = prixTotal / nombreUtilisations
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main = do
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putStrLn "Calcul du coût des recettes\n"
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putStrLn "* Lessive :"
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print ingredientsLessive
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putStrLn $ " * Prix Total = " ++ show prixTotal ++ "€"
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putStrLn $ " * Prix au litre = " ++ show prixLitre ++ "€"
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putStrLn $ " * Prix par utilisation = " ++ show prixUtilisation ++ "€"
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