#1 Rewrite the following code in Haskell : if ( books < 1) numCoupons = 0; else

Question

#1 Rewrite the following code in Haskell :

if ( books < 1)

numCoupons = 0;

else if (books < 3)

numCoupons = 1

else if (books < 5)

numCoupons = 2

else

numcoupons = 3;

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#2 Write a Haskell function that converts Fahrenheit to Celsius (formula is F-32 * 5/9 = C)

Explanation / Answer

PS: Please rate 2. newtype Fahrenheit = Fahrenheit Float deriving (Eq, Ord, Show, Num, Fractional) newtype Celsius = Celsius Float deriving (Eq, Ord, Show, Num, Fractional) far2cel :: Fahrenheit -> Celsius far2cel (Fahrenheit far) = Celsius $ (5 / 9) * (far - 32) 1. is pretty straight forward. Here is a reference - http://en.wikibooks.org/wiki/Haskell/Control_structures#if_Expressions

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