Sha256: 663da6b4460471afab6aa60dd69d6c92bc1a51a3f4a27a6e057608e1d6afafbd

Contents?: true

Size: 270 Bytes

Versions: 396

Compression:

Stored size: 270 Bytes

Contents

module Grains (square, total) where

import Data.Maybe (fromJust)

square :: Integer -> Maybe Integer
square x
    | x < 1     = Nothing
    | x > 64    = Nothing
    | otherwise = Just . (2^) . pred $ x

total :: Integer
total = sum . map (fromJust . square) $ [1..64]

Version data entries

396 entries across 396 versions & 1 rubygems

Version Path
trackler-2.2.1.180 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.179 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.178 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.177 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.176 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.175 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.174 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.173 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.172 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.171 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.170 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.169 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.167 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.166 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.165 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.164 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.163 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.162 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.161 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.160 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs