Thanks again Peter for your time and your precious help! I really want to learn, and it's nearly impossible alone...
Le mercredi 26 octobre 2016 14:01:48 UTC+2, Peter Damoc a écrit : > > > > On Wed, Oct 26, 2016 at 2:36 PM, Did <[email protected] <javascript:>> > 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. > > > > > -- > There is NO FATE, we are the creators. > blog: http://damoc.ro/ > -- You received this message because you are subscribed to the Google Groups "Elm Discuss" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
