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Trying to filter lists with mixed union types?
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module Main exposing (..) | |
import Html exposing (Html, text, div, img) | |
import Html.Attributes exposing (src) | |
---- MODEL ---- | |
type alias Model = | |
{} | |
init : ( Model, Cmd Msg ) | |
init = | |
( {}, Cmd.none ) | |
---- UPDATE ---- | |
type Msg | |
= NoOp | |
update : Msg -> Model -> ( Model, Cmd Msg ) | |
update msg model = | |
( model, Cmd.none ) | |
---- VIEW ---- | |
type alias Record = | |
{ id : Int, nestedRecord : { string : String } } | |
type MyThing | |
= AString String | |
| AnInt Int | |
| ATuple ( String, Int ) | |
| ARecord Record | |
listOfThings : List MyThing | |
listOfThings = | |
[ AString "AString" | |
, AnInt 1 | |
, ATuple ( "Str", 2 ) | |
, ARecord { id = 1, nestedRecord = { string = "String" } } | |
] | |
mapListFn = | |
List.filter | |
(\a -> | |
case a of | |
AString a -> | |
Debug.crash "Want to get to here" | |
AnInt a -> | |
Debug.crash "Or Here" | |
ATuple a -> | |
Debug.crash "Or even here" | |
ARecord a -> | |
Debug.crash "Also here!" | |
) | |
listOfThings | |
view : Model -> Html Msg | |
view model = | |
-- div [] | |
-- [ text (unionFn (ARecord { id = 1, nestedRecord = { string = "String" } })) ] | |
div [] | |
[ text (toString mapListFn) ] | |
---- PROGRAM ---- | |
main : Program Never Model Msg | |
main = | |
Html.program | |
{ view = view | |
, init = init | |
, update = update | |
, subscriptions = always Sub.none | |
} |
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