I guess you can simply return Sub.none instead in your subscription function when it is paused. If you choose to do this way, then you can revert Tick handler in your update function. subscriptions : Model -> Sub Msg subscriptions model = if model.paused then Sub.none else Time.every second Tick
You can manually bind to the keydown event with the generic on handler. Elm does currently not support onKeyDown handlers out of the box – but they are planned in the future. It looks like the spec is moving away from event.keyCode and towards event.key. Once this is supported in more browsers, we may add … Read more
An updated and simplified version of @wintvelt’s answer for Elm v0.18 is: delay : Time.Time -> msg -> Cmd msg delay time msg = Process.sleep time |> Task.perform (\_ -> msg) with the same usage
I’m not intimately familiar with Elm, but I’ve looked into it a bit and I’m pretty familiar with Reason, so I’ll give it a shot. I’m sure there will be inaccuracies here though, so please don’t take anything I say as fact, but use it instead as pointers for what to look into in more … Read more
First of all, as the author of the TabbedPages container, I’d like to apologize for the complexity. That component is really meant as an experiment to see what is possible using Elm and the Elm Architecture along with inline styles. In short, the idea of the component is to allow for a tabs+swipeable pages components … Read more
You can use the attribute function instead. view … = tr [ attribute “data-row” “1” ]
Update for Elm 0.19 Elm 0.19 has removed the exclamation point operator. You must now construct the tuple manually, as in (model, Cmd.none). Original Answer for Elm 0.18 The exclamation point in model ! [] is just a short-hand function for (model, Cmd.batch []), which is the type returned from typical update statements. It is … Read more
<< is a function composition operator, defined in core library Basics. All functions from Basics are imported into Elm projects unqualified. Elm’s type system Let’s recall basics of Elm type system. Elm is statically typed. This means that in Elm every variable or function has a type, and this type never changes. Examples of types … Read more
How I think of it: type is used for defining new union types: type Thing = Something | SomethingElse Before this definition Something and SomethingElse didn’t mean anything. Now they are both of type Thing, which we just defined. type alias is used for giving a name to some other type that already exists: type … Read more