Contents

module Allergies exposing (..)

import List
import Bitwise


isAllergicTo : String -> Int -> Bool
isAllergicTo name score =
    List.member name (toList score)


toList : Int -> List String
toList score =
    allergies
        |> List.indexedMap (\i n -> ( Bitwise.shiftLeftBy i 1, n ))
        |> List.filter (\( s, n ) -> Bitwise.and s score > 0)
        |> List.map Tuple.second


allergies : List String
allergies =
    [ "eggs"
    , "peanuts"
    , "shellfish"
    , "strawberries"
    , "tomatoes"
    , "chocolate"
    , "pollen"
    , "cats"
    ]

Version data entries

284 entries across 284 versions & 1 rubygems

Version	Path
trackler-2.2.1.104	tracks/elm/exercises/allergies/Allergies.example.elm
trackler-2.2.1.103	tracks/elm/exercises/allergies/Allergies.example.elm
trackler-2.2.1.102	tracks/elm/exercises/allergies/Allergies.example.elm
trackler-2.2.1.101	tracks/elm/exercises/allergies/Allergies.example.elm
trackler-2.2.1.100	tracks/elm/exercises/allergies/Allergies.example.elm
trackler-2.2.1.99	tracks/elm/exercises/allergies/Allergies.example.elm
trackler-2.2.1.98	tracks/elm/exercises/allergies/Allergies.example.elm
trackler-2.2.1.97	tracks/elm/exercises/allergies/Allergies.example.elm
trackler-2.2.1.96	tracks/elm/exercises/allergies/Allergies.example.elm
trackler-2.2.1.95	tracks/elm/exercises/allergies/Allergies.example.elm
trackler-2.2.1.94	tracks/elm/exercises/allergies/Allergies.example.elm
trackler-2.2.1.93	tracks/elm/exercises/allergies/Allergies.example.elm
trackler-2.2.1.92	tracks/elm/exercises/allergies/Allergies.example.elm
trackler-2.2.1.91	tracks/elm/exercises/allergies/Allergies.example.elm
trackler-2.2.1.90	tracks/elm/exercises/allergies/Allergies.example.elm
trackler-2.2.1.89	tracks/elm/exercises/allergies/Allergies.example.elm
trackler-2.2.1.88	tracks/elm/exercises/allergies/Allergies.example.elm
trackler-2.2.1.87	tracks/elm/exercises/allergies/Allergies.example.elm
trackler-2.2.1.86	tracks/elm/exercises/allergies/Allergies.example.elm
trackler-2.2.1.85	tracks/elm/exercises/allergies/Allergies.example.elm