Seems to be this bug: https://github.com/evancz/elm-graphics/issues/3
No workaround, I'm afraid.
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You can use pipelines in Elm; in fact they are preferred. Somewhat
handwavey example:
getAuthToken |> andThen getHomepage |> andThen doBackgroundStuff |> andThen
showResultsOfBackgroundStuff
(Think of |> as a unix pipe.)
This proposal is about backticks. As background, a function that's a word
The purpose of Signals are now satisfied by Subscriptions. see
http://elm-lang.org/blog/farewell-to-frp and
https://github.com/elm-lang/elm-platform/blob/master/upgrade-docs/0.17.md
On Fri, Jun 3, 2016 at 3:03 PM, Nick H wrote:
> They are completely gone.
>
> If you have any local projects, you
I have only been part of the Elm community for something like 7-8 months,
but i'll still take the chance and say a few words.
I hadn't seen part 1 of this topic
https://groups.google.com/forum/#!msg/elm-discuss/np3BO9X5rEc/jG3AIiU2zYEJ
before, but found it enlightening.
- I'm not worried about
They are completely gone.
If you have any local projects, you can browse the source of core by
looking in elm-stuff/packages/elm-lang/core/
On Fri, Jun 3, 2016 at 2:49 PM, Da Best wrote:
> I'm new to Elm and have played around with it briefly. I started with
> 0.16. In 0.16, signals were a pr
>
> Or are String and Int on "type MyType = String | Int" just tags?
Yes, exactly!
On Fri, Jun 3, 2016 at 2:53 PM, Lambder wrote:
> Or are String and Int on "type MyType = String | Int" just tags?
>
>
> On Friday, 3 June 2016 22:50:34 UTC+1, Lambder wrote:
>>
>> I still like to ask for som
type MyType = String | Int
It is legal, but it does NOT do what you think it does. There are NO
non-tagged union types in Elm.
This type definition is no different than "type MyType = Foo | Bar ". It
defines two tags for the type MyType, and the fact that those tags share
the name with the existi
Or are String and Int on "type MyType = String | Int" just tags?
On Friday, 3 June 2016 22:50:34 UTC+1, Lambder wrote:
>
> I still like to ask for some clarification.
>
> type MyType = String | Int
>
> is legal type definition in elm. How to define function which accept one
> parameter of type
I still like to ask for some clarification.
type MyType = String | Int
is legal type definition in elm. How to define function which accept one
parameter of type MyType and if it is String return it with 'x' appended
as a result. If it is a number return its increment?
If what I am asking make
I'm new to Elm and have played around with it briefly. I started with 0.16.
In 0.16, signals were a pretty important thing. Now I see that in 0.17,
signals have been removed. From a programming/language standpoint, I am
wondering if signals have been abstracted to the point that we don't see
th
Thank you very much for this explanation. I'm still new to elm but your
post clarified that part I was missing.
On Friday, 3 June 2016 22:25:59 UTC+1, Joey Eremondi wrote:
>
> The problem here is that you're confusing Types (which you can never
> pattern match on) with Value Constructors, which
The problem here is that you're confusing Types (which you can never
pattern match on) with Value Constructors, which are the only things you
can pattern match on.
When you declare a "type", you need to give a distinct tag name to each
variant.
Each "type" declaration has the form
type Name typ
Hi Elmers,
How do I pattern match on aliased types? E.g lets assume I have the
following type definitions:
type alias View a m = m -> Html a -- view is a function which
turns a model (m) into html (Html a)
type alias ModelAndView a m = (m, View a m) -- a pair of a model an
Hi folks,
I was wondering if building a somewhat fancier UI for the package manager
might be something that I could do as a medium sized project. The think
that really excites me about elm is the great experience for new
developers, so I'm wondering if we could do something to really help them
This is a good thread. I think a lot of important opinions have been voiced
here so far.
The thing I personally miss most, and I think this is also what Peter was
getting at, is a new big statement on the direction and the process. I
personally started to do some serious work with Elm last autu
Noah, that is a very thoughtful post, and I appreciate it. I think you are
right that problems can be solved at a fast pace, and that many people can
do that. The thing which is sometimes frustrating is the limits on sharing
those solutions.
I wonder whether this might feel a little different i
Thanks you very much. I dont know How i missed that. I have used andThen in
numerous occasions before but never for that specific use case. Now that you
say it, it seems obvious :-)
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So, so funny! This has happened multiple times. I try many things. None of
them work. Then I ask a question. Then I go and try some more and I find
the solution. Wonder why I don't find it before I ask a question.
Anyhow, the answer is that the html package is not elm-lang/html NOT
evancz/elm-h
I installed elm for mac this morning (within the last hour).
Then I created a directory myproj and in that directory ran the following
command:
elm-package install
and got the following elm-package.json file
{
"version": "1.0.0",
"summary": "helpful summary of your project, less t
> I must say one of the main reasons I'm not using Elm today nor do I plan to
> use it on the medium term is how slow paced, constraining and tightly
> controlled it is.
I disagree that it's slow paced. I agree that it is constrained and
tightly controlled. Part of this is the focus on deliverin
You can also express that as:
update : Msg -> Model -> (Model, Cmd Msg)
update msg model =
case msg of
Roll ->
(model, Random.generate NewFace (Random.pair (Random.int 1 6)
(Random.int 1 6)))
NewFace newFace ->
((uncurry Model) newFace, Cmd.none)
On Fri, Jun 3, 2016 at 5:
Well, that works as well... ;) Oh boy... thanks
On Friday, June 3, 2016 at 4:50:58 PM UTC+2, Peter Damoc wrote:
>
> You forgot to give newModel its value
>
> Change to this:
>
> NewFace newFace ->
> (newModel newFace, Cmd.none)
>
> and all should be OK
>
>
> On Fri, Jun 3, 2016 at 5:40 PM,
I'm still learning ELM, so I'm sure there are plenty of history and
reasoning here I'm not aware of. But speaking simply from my current
viewpoint:
I'd like to use ELM with an Elixir backend, and wish for the same pipeline
order as Elixir. That would certainly make my head hurt less. More
im
You forgot to give newModel its value
Change to this:
NewFace newFace ->
(newModel newFace, Cmd.none)
and all should be OK
On Fri, Jun 3, 2016 at 5:40 PM, Robert Walter
wrote:
> If this is not the right forum for these kinds of questions, please point
> me to the right place.
>
> Anyw
Okay, once I thought of the correct search term, I found a solution (using
fst and snd from Basics):
update : Msg -> Model -> (Model, Cmd Msg)
update msg model =
case msg of
Roll ->
(model, Random.generate NewFace (Random.pair (Random.int 1 6) (Random.
int 1 6)))
NewFace newFace
If this is not the right forum for these kinds of questions, please point
me to the right place.
Anyway, I try to work my way the The Elm Architecture.
As an exercise, I tried to enhance the Random Dice example by adding a
second die. My idea is to add a second Int to the Model and use the
Rand
Here is some code to get your started:
https://gist.github.com/pdamoc/ee32b8e163f371f95d9a8ba9db2f0132
On Fri, Jun 3, 2016 at 4:58 AM, 诺铁 wrote:
> hi,
>
> I want to make some component parts, instead of a complete component.
> for example, I have a search bar, it will send user input query to
Decode.andThen should do what you want:
http://package.elm-lang.org/packages/elm-lang/core/4.0.1/Json-Decode#andThen.
The example given there seems very similar to what you're trying to do.
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Let's say that you have a Parent + ChidA & ChildB.
If you want ChildA to have an effect on ChildB, the best way to do it is to
send this effect upstream to the parent by extending the update return
`update : Msg -> Model -> (Model, SomeEffectRequest)`
The parent should have a way to convert SomeE
Yep, take a look at Json.Decode.andThen.
http://package.elm-lang.org/packages/elm-lang/core/4.0.1/Json-Decode#andThen
On Fri, 3 Jun 2016 at 10:21 surfncode wrote:
> Hello,
>
> I'm currently stuck trying to decode one portion of my model. The problem
> I have is the following:
>
> The portion I'
How difficult would it be to write an automated script to turn CSS into
Elm-Css?
>
i.e. to turn
h1 {
background-color: green;
}
into
h1 = style ["background-color","green"]
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I follow Elm updates with great interest and I think 0.17 improved things
once again. But I must say one of the main reasons I'm not using Elm today
nor do I plan to use it on the medium term is how slow paced, constraining
and tightly controlled it is. This is so contrary to the world will live
Hello,
I'm currently stuck trying to decode one portion of my model. The problem I
have is the following:
The portion I'm trying to decode looks like this:
{
...
filter_type: "int",
data: {
predicate: "less than",
operand: 10
}
...
}
filter type can be one of (int,text,enum etc...)
I w
Peter, you are very right.
There is global attention on Elm at present because it gets things very
right, and that's down to Evan. But getting the big things right is very
different from managing a process that lets the gaps get filled in by a
growing and eager community.
Simon
On Friday, 3 Ju
I expect the following to display text "Hello world!" in the browser:
import Html
import Element exposing (..)
import Text
main: Html.Html a
main = Text.fromString "Hello world!" |> centered |> toHtml
However, I get only a blank (white) page. In fact, it seems that using
Text.fromString
"Hell
Evan,
Nobody is questioning your technical decisions here. You don't need to
justify choosing to work on 0.17 rather than fixing some lower priority
thing.
The case I was reacting to is but a mere symptom of a much larger problem.
If you simply make the case go away by just adopting Fred's code i
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