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-2.2.1.98 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.97 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.96 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.95 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.94 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.93 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.92 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.91 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.90 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.89 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.88 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.87 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.86 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.85 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.84 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.83 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.82 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.81 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.80 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs
trackler-2.2.1.79 tracks/haskell/exercises/grains/examples/success-standard/src/Grains.hs