You can also call the function recursively:
update : Msg -> Model -> ( Model, Cmd Msg )
update msg model =
case msg of
IncrementBothCounters ->
model
|> update IncrementFirstCounter
|> fst
|> update IncrementFirstCounter
IncrementFirstCounter ->
( { model | countFirst = model.countFirst + 1 }, Cmd.none )
IncrementSecondCounter ->
( { model | countSecond = model.countSecond + 1 }, Cmd.none )
If this is more of a simplification of a more complex situation and you
need to process the Cmd from each update, it is better to use Janis'
solution.
On Thu, May 26, 2016 at 5:24 PM, germain <germainde...@gmail.com> wrote:
> Hi,
>
> This is the plan:
> There is one counter with its button which increments it by one.
> There is another counter with its button which increments it by one.
> And finally there is another button which increments both above counters
> by one.
>
>
> Is it possible to the last button to send a message to the update
> function, which calls the increment messages of each counter ?
>
> Something like,
>
> update : Msg -> Model -> (Model, Cmd Msg)
> update msg model =
> case msg of
> IncrementBothCounters ->
> ( model, pleaseCallTheUpdateFunctionWithTheseMessages [
> IncrementFirstCounter, IncrementSecondCounter ])
>
> IncrementFirstCounter ->
> ( { model | countFirst = model.countFirst + 1 }, Cmd.none)
>
> IncrementSecondCounter ->
> ( { model | countSecond = model.countSecond + 1 }, Cmd.none)
>
>
> Tks,
> Germain.
>
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