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On Wednesday, March 29, 2017 at 11:12:31 PM UTC-5, Duane Johnson wrote:
>
> May I ask how you create these nicely formatted Elm blocks in google
> groups?
>
> On Wed, Mar 29, 2017 at 10:40 AM, Matthieu Pizenberg <
> [email protected] <javascript:>> wrote:
>
>> Multiple times in my projects, I happen to need nested pattern matching.
>> Below is a raw extract of code (in an update) showing this need.
>>
>> Study.ScribblesMsg scribblesMsg ->
>> case model.study.status of
>> Study.Progressing steps ->
>> case Pivot.getC steps of
>> Study.ScribblesStep ( imageUrl, scribbles ) ->
>> ( Scribbles.update scribblesMsg model scribbles
>> , Cmd.none
>> )
>>
>> _ ->
>> ( model, Cmd.none )
>>
>> _ ->
>> ( model, Cmd.none )
>>
>> Basically, this is a specific case of a generic following code:
>>
>> case f1 var1 of
>> DataType2 var2 ->
>> ...
>> case fn varn of
>> finalVar ->
>> doSomethingOf finalVar
>> _ ->
>> otherwise
>> ...
>> _ ->
>> otherwise
>>
>> Do you think there could exist a syntax enabling better handling of such
>> a case?
>> Have you encountered one in another langage maybe?
>>
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>
>
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