notes

module Try.Monoids.FizzBuzz where

import Control.Monad (guard)
import Data.Maybe (fromMaybe)

f :: [Integer] -> [String]
f =
  let (m ~> str) x = str <$ guard (x `mod` m == 0)
   in map (fromMaybe . show <*> 3 ~> "fizz" <> 5 ~> "buzz")

-- >>> f [1..100]
-- ["1","2","fizz","4","buzz","fizz","7","8","fizz","buzz","11","fizz","13","14","fizzbuzz","16","17","fizz","19","buzz","fizz","22","23","fizz","buzz","26","fizz","28","29","fizzbuzz","31","32","fizz","34","buzz","fizz","37","38","fizz","buzz","41","fizz","43","44","fizzbuzz","46","47","fizz","49","buzz","fizz","52","53","fizz","buzz","56","fizz","58","59","fizzbuzz","61","62","fizz","64","buzz","fizz","67","68","fizz","buzz","71","fizz","73","74","fizzbuzz","76","77","fizz","79","buzz","fizz","82","83","fizz","buzz","86","fizz","88","89","fizzbuzz","91","92","fizz","94","buzz","fizz","97","98","fizz","buzz"]