-- Computes the square of a number
square :: Int -> Int
square x = x * x

-- Very cool number
answerToEverything :: Int
answerToEverything = 42

-- Computes the minimum of two numbers
myMin :: Int -> Int -> Int
myMin x y = if x < y then x else y

-- Computes the factorial of a number
factorial :: Integer -> Integer
factorial n = if n == 0 then 1 else n * factorial (n - 1)