Create a gist now

Instantly share code, notes, and snippets.

What would you like to do?
FizzBuzz
module Main where
import Control.Applicative ((<*>))
import Data.Semigroup ((<>)) -- http://hackage.haskell.org/package/semigroups
import Data.Maybe (fromMaybe, listToMaybe, maybe)
import System.Environment (getArgs)
import Data.Lens.Partial.Common(getorPL, headLens) -- http://hackage.haskell.org/package/data-lens
fizzbuzz ::
Integral a =>
a
-> String
fizzbuzz =
let x .| True = Just x
_ .| False = Nothing
s ~> q = (s .|) . (0 ==) . (`rem` q)
in fromMaybe . show <*>
"fizz" ~> 3 <>
"buzz" ~> 5 <>
"bazz" ~> 7
main ::
IO ()
main =
do a <- getArgs
let z = fmap fizzbuzz [1..getorPL headLens 100 . fmap read $ a]
mapM_ putStrLn z
@tonymorris

This comment has been minimized.

Show comment Hide comment
@tonymorris

tonymorris Oct 10, 2012

Don't need import Data.Maybe(listToMaybe, maybe)

Owner

tonymorris commented Oct 10, 2012

Don't need import Data.Maybe(listToMaybe, maybe)

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment