Contents

module Bob (responseFor) where
import Data.Char (isSpace, isUpper, isAlpha)

data Prompt = Silence | Yell | Question | Other

classify :: String -> Prompt
classify s | all isSpace s = Silence
           | any isAlpha s && all isUpper (filter isAlpha s) = Yell
           | '?' == last (filter (not . isSpace) s) = Question
           | otherwise = Other

response :: Prompt -> String
response Silence = "Fine. Be that way!"
response Yell = "Whoa, chill out!"
response Question = "Sure."
response Other = "Whatever."

responseFor :: String -> String
responseFor = response . classify

Version data entries

293 entries across 293 versions & 1 rubygems

Version	Path
trackler-2.2.1.75	tracks/haskell/exercises/bob/examples/success-standard/src/Bob.hs
trackler-2.2.1.74	tracks/haskell/exercises/bob/examples/success-standard/src/Bob.hs
trackler-2.2.1.73	tracks/haskell/exercises/bob/examples/success-standard/src/Bob.hs
trackler-2.2.1.72	tracks/haskell/exercises/bob/examples/success-standard/src/Bob.hs
trackler-2.2.1.71	tracks/haskell/exercises/bob/examples/success-standard/src/Bob.hs
trackler-2.2.1.70	tracks/haskell/exercises/bob/examples/success-standard/src/Bob.hs
trackler-2.2.1.69	tracks/haskell/exercises/bob/examples/success-standard/src/Bob.hs
trackler-2.2.1.68	tracks/haskell/exercises/bob/examples/success-standard/src/Bob.hs
trackler-2.2.1.67	tracks/haskell/exercises/bob/examples/success-standard/src/Bob.hs
trackler-2.2.1.66	tracks/haskell/exercises/bob/examples/success-standard/src/Bob.hs
trackler-2.2.1.65	tracks/haskell/exercises/bob/examples/success-standard/src/Bob.hs
trackler-2.2.1.64	tracks/haskell/exercises/bob/examples/success-standard/src/Bob.hs
trackler-2.2.1.63	tracks/haskell/exercises/bob/examples/success-standard/src/Bob.hs
trackler-2.2.1.62	tracks/haskell/exercises/bob/examples/success-standard/src/Bob.hs
trackler-2.2.1.61	tracks/haskell/exercises/bob/examples/success-standard/src/Bob.hs
trackler-2.2.1.60	tracks/haskell/exercises/bob/examples/success-standard/src/Bob.hs
trackler-2.2.1.59	tracks/haskell/exercises/bob/examples/success-standard/src/Bob.hs
trackler-2.2.1.58	tracks/haskell/exercises/bob/examples/success-standard/src/Bob.hs
trackler-2.2.1.57	tracks/haskell/exercises/bob/examples/success-standard/src/Bob.hs
trackler-2.2.1.56	tracks/haskell/exercises/bob/examples/success-standard/src/Bob.hs