On Wed, Oct 26, 2016 at 2:36 PM, Did <[email protected]> wrote:
> But It seems that, in the update function, currentBox always return
> something because it doesn't update my model... I'm obviously doing
> something wrong. But, for me, as all cells are unoccupied, this test should
> return Nothing. What's wrong ?
>
sorry, my bad. currentBox should have been:
currentBox =
List.map (filterRow boxId) model.cells
|> List.head
|> Maybe.withDefault (Box -1 Nothing) -- this value should never happen
in your context
you need to unpack the Maybe received from head.
> I'm sorry, but I don't know how to debug elm code in general, and in
> particular with the elm lang try editor (I'm at work and I don't have elm
> working on my machine...)
>
You can add Debug.log
<http://package.elm-lang.org/packages/elm-lang/core/4.0.5/Debug#log> in
your code and check the JS console in your browser.
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