Contents

module Strain exposing (discard, keep)

import List


keep : (a -> Bool) -> List a -> List a
keep predicate list =
    List.foldr (consIf predicate) [] list


discard : (a -> Bool) -> List a -> List a
discard predicate list =
    List.foldr (consIf (\v -> not <| predicate v)) [] list


consIf : (a -> Bool) -> a -> List a -> List a
consIf predicate value list =
    if predicate value then
        value :: list
    else
        list

Version data entries

66 entries across 66 versions & 1 rubygems

Version	Path
trackler-2.2.1.180	tracks/elm/exercises/strain/Strain.example.elm
trackler-2.2.1.179	tracks/elm/exercises/strain/Strain.example.elm
trackler-2.2.1.178	tracks/elm/exercises/strain/Strain.example.elm
trackler-2.2.1.177	tracks/elm/exercises/strain/Strain.example.elm
trackler-2.2.1.176	tracks/elm/exercises/strain/Strain.example.elm
trackler-2.2.1.175	tracks/elm/exercises/strain/Strain.example.elm
trackler-2.2.1.174	tracks/elm/exercises/strain/Strain.example.elm
trackler-2.2.1.173	tracks/elm/exercises/strain/Strain.example.elm
trackler-2.2.1.172	tracks/elm/exercises/strain/Strain.example.elm
trackler-2.2.1.171	tracks/elm/exercises/strain/Strain.example.elm
trackler-2.2.1.170	tracks/elm/exercises/strain/Strain.example.elm
trackler-2.2.1.169	tracks/elm/exercises/strain/Strain.example.elm
trackler-2.2.1.167	tracks/elm/exercises/strain/Strain.example.elm
trackler-2.2.1.166	tracks/elm/exercises/strain/Strain.example.elm
trackler-2.2.1.165	tracks/elm/exercises/strain/Strain.example.elm
trackler-2.2.1.164	tracks/elm/exercises/strain/Strain.example.elm
trackler-2.2.1.163	tracks/elm/exercises/strain/Strain.example.elm
trackler-2.2.1.162	tracks/elm/exercises/strain/Strain.example.elm
trackler-2.2.1.161	tracks/elm/exercises/strain/Strain.example.elm
trackler-2.2.1.160	tracks/elm/exercises/strain/Strain.example.elm