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-rw-r--r--src/client/Utils/List.elm36
1 files changed, 0 insertions, 36 deletions
diff --git a/src/client/Utils/List.elm b/src/client/Utils/List.elm
deleted file mode 100644
index 8e26e85..0000000
--- a/src/client/Utils/List.elm
+++ /dev/null
@@ -1,36 +0,0 @@
-module Utils.List exposing
- ( groupBy
- , mean
- , links
- )
-
-import Dict
-import Maybe.Extra as Maybe
-
-groupBy : (a -> comparable) -> List a -> List (comparable, List a)
-groupBy f xs =
- let addItem item dict =
- let groupItems = Dict.get (f item) dict |> Maybe.withDefault []
- in Dict.insert (f item) (item :: groupItems) dict
- in List.foldr addItem Dict.empty xs
- |> Dict.toList
-
-mean : List Int -> Int
-mean xs = (List.sum xs) // (List.length xs)
-
-links : List a -> List (a, a)
-links xs =
- let reversed = List.reverse xs
- in List.foldr
- (\x acc ->
- case Maybe.map Tuple.first (List.head acc) of
- Just y ->
- (x, y) :: acc
- _ ->
- acc
- )
- (case reversed of
- x :: y :: _ -> [(y, x)]
- _ -> []
- )
- (List.reverse << List.drop 2 <| reversed)