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author | Joris | 2017-09-24 22:14:48 +0200 |
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committer | Joris | 2017-11-07 09:33:01 +0100 |
commit | 898e7ed11ab0958fcdaf65b99b33f7b04787630a (patch) | |
tree | 8b5ab951c36d7d27550a7c4eaad16bbd2cd0edb1 /src/client/Utils/List.elm | |
parent | 14bdbc8c937f5d0b35c61350dba28cb41c3737cd (diff) | |
download | budget-898e7ed11ab0958fcdaf65b99b33f7b04787630a.tar.gz budget-898e7ed11ab0958fcdaf65b99b33f7b04787630a.tar.bz2 budget-898e7ed11ab0958fcdaf65b99b33f7b04787630a.zip |
Bootstrap with GHCJS and reflex:
- setup login and logout,
- first draft of payment view.
Diffstat (limited to 'src/client/Utils/List.elm')
-rw-r--r-- | src/client/Utils/List.elm | 36 |
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) |