44 lines
1,023 B
Text
44 lines
1,023 B
Text
toStr : List Int -> List Char
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toStr xs = case xs of
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Cons a as => Cons (toChar a) (toStr as)
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Nil => Nil
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toChar : Int -> Char
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toChar x = case x of
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0 => '0'
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1 => '1'
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2 => '2'
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3 => '3'
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4 => '4'
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5 => '5'
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6 => '6'
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7 => '7'
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8 => '8'
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9 => '9'
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filter p xs = case xs of
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Nil => Nil
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Cons x xs => case p x of
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True => Cons x (filter p xs)
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False => filter p xs
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.++ as bs = case as of
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Nil => bs
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Cons x xs => Cons x (xs ++ bs)
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.:: a as = Cons a as
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quicksort : List Int -> List Int
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quicksort xs = case xs of
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Nil => Nil
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Cons a as => let smaller = quicksort (filter (\y. y < a) xs)
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in let bigger = quicksort (filter (\y. a < y) xs)
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in smaller ++ (a :: bigger)
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descList : Int -> Int -> List Int
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descList from to = case to < from of
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False => Cons to (descList from (to - 1))
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True => Nil
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main = let list = (5 :: (2 :: (8 :: (9 :: (6 :: (0 :: (1 :: Nil)))))))
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in printStr (toStr (quicksort list))
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