Re: [elm-discuss] Re: State of CSS in Elm

Really interesting discussion and viewpoints. As newcomer and hobbyist in the elm arena, some may think this naive, but I find the principle to separate concerns very appealing. Meaning (simply put) the DOM (html) is for the component structure, CSS is for layout, and JavaScript is for

[elm-discuss] Re: Communicating from parent to child and child to parent

Thanks for sharing. The additional OutMsg from the update function was a real eye-opener for me. I have no experience (yet) in scaling this. One thing I find somewhat odd in your (second) example is that you define the OutMsg type in the Child: Wouldn't it be more logical to always define/

[elm-discuss] Re: Is there a better way to structure my List types?

How about this? type Thing = Foo | Bar | Baz type ThingList = List Thing That way, you can simply do: List.length ThingList -- You received this message because you are subscribed to the Google Groups "Elm Discuss" group. To unsubscribe from this group and stop receiving emails

Re: [elm-discuss] Re: Design of Large Elm apps

Thank you Peter for sharing the sortable table and especially the video link! Video has a somewhat long winded exploration in accessibility in the early part, but I found it most helpful. The thoughts on config and even updateConfig were really helpful. Also the idea to have an update take in 1

[elm-discuss] Re: [ANN] elm-mdl 7.0.0 — supports all components of Material Design Lite

Congrats on the great achievement, and thank you for contributing this to the community! Will update asap. -- 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

[elm-discuss] Re: Elm fiddle for 0.17?

>From the GitHub Readme of Elm Fiddle: Unfortunately most work on this was made before 0.17 was released, and it > was written for 0.16, and It's far from being production ready, so it might crash and your snippets > may be deleted. Adding to

[elm-discuss] Re: Elm fiddle for 0.17?

PS: Whenever I want to try some Elm online, I go to http://elm-lang.org/try Which does run 0.17 under the hood (as far as I can tell). -- 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

Re: [elm-discuss] Sending messages up the component tree in Elm 0.17

A solution I am currently experimenting with is to wrap the Msg of each component into a union type: type AddressedMsg = ToSelf Msg | ToParent OutMsg | ToRoot RootMsg All relevant functions of the component which output ( Model, Cmd Msg ) change to ( Model, Cmd

[elm-discuss] Re: Communicating from parent to child and child to parent

I hope I interpret your setup correctly, but it looks like the flow is more or less: - user clicks a button inside child - this triggers child's update function - child's update function stores updates child model (with a message Click) - the parent can then access the new

[elm-discuss] Re: Communicating from parent to child and child to parent

Hi Rex, I hope I interpret your setup correctly, but it looks like the flow is more or less: - user clicks a button inside child - this triggers child's update function - child's update function stores updates child model (with a message Click) - the parent can then access the

[elm-discuss] Re: [ANN] elm-mdl 6.0.0 released

Looks awesome! Thanks! Definitely a great set of building blocks for shiny apps! -- 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

Re: [elm-discuss] Learning Elm and feeling alone in the world

Great discussion! I am looking forward to seeing progress on the Learn You an Elm. Having learned quite a few languages in my days, I actually find it quite refreshing to dive into a new and promising language as Elm. With many other languages (Java anyone?) it was a nightmare to find a

Re: [elm-discuss] Re: Is there a reason Date has no setters?

For something similar to your need, I have actually created my own SimpleDate type ( year, month, day, weekday) without time. Born out of frustration after endless mapping of Result types. The very first SimpleDate created from a String is a Result (using .fromString). But after that, helper

[elm-discuss] Re: Elm Routing with Navigation in 0.18

Op zondag 5 februari 2017 20:51:03 UTC+1 schreef Kingsley Hendrickse: > > I'm struggling a bit to get what I want out of the Route and Navigation > libraries. > Some time ago, I wrote a couple of posts diving into Navigation and Routing in Elm:

[elm-discuss] Re: Design question: using Dict, List with index, or Array (or something I'm not aware of)

Touche, I had an omission in my snippet also :) The getItem should have been: getItem : List Item -> ID -> Maybe Item getItem : list id = List.filter (\item -> item.id == id) list |> List.head To turn the (maybe empty) list of with the item-to-get into a Maybe Item. I did use a lot of Dict

Re: [elm-discuss] Re: Basic behavioral composition

Hadn't noticed this section in the guide before. Great explanation! Thanks for sharing. Op vrijdag 2 september 2016 18:00:31 UTC+2 schreef suttlecommakevin: > > This new doc helps a ton. Thanks for this! > > http://guide.elm-lang.org/reuse/ > -- You received this message because you are

[elm-discuss] Re: Do the counters in the Guide teach us a wrong scaling approach?

After reading Josh Adams Time tracker SPA example something really clicked for me, and I feel I really "get it" now. I did not know what I needed and how to ask for it, but this was extremely helpful, and got me back on track! Also, I think my OP about the counters can be considered closed now.

[elm-discuss] Re: html-to-elm

Nice tool! Do you plan on adding "style" and other odd shaped Elm attributes like "disabled" too? -- 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

Re: [elm-discuss] Re: Elm Runtime Exceptions

Interesting post, but I tend to disagree on a couple of points: According to the oracle Java tutorial , an exception is > *Definition:* An *exception* is an event, which occurs during the > execution of a program,

[elm-discuss] When to use Dict vs. List?

List and Dict are good for different things: If most of the interaction with the collection is getting and setting, adding and deleting items 1 at a time: go with Dict. If most of the interaction is going over the list, including sorting, rendering, counting items etc: then go with List. Todo's

[elm-discuss] Re: How to order imports?

Good question to raise! The lack of any logic in my own imports had on occasion nagged me too. This is our convention: > > 1) Core modules; > 2) Public modules from elm-lang; > 3) Other public modules; > 4) Project modules. > The one @Simone Vittori suggests looks simple and workable. -- You

[elm-discuss] Re: Do the counters in the Guide teach us a wrong scaling approach?

> > Here's what I've been working on. The recent git history is all about > refactoring. Haven't introduced 'sub-components with state' or w/e and > don't see it coming soon. It's an Elm-SPA with a Phoenix backend: > https://github.com/knewter/time-tracker > Looks interesting. Thanks for

[elm-discuss] Re: Do the counters in the Guide teach us a wrong scaling approach?

> > I would love to know how to do this! > Can anyone point me to a brain-dead-simple practical and working example > for a non-expert Elm user like myself? OK, so here is my take at an alternative multiple counters approach. First, putting everything in one (monolithic) module: import Html

[elm-discuss] Re: Do the counters in the Guide teach us a wrong scaling approach?

> > I would love to know how to do this! > Can anyone point me to a brain-dead-simple practical and working example > for a non-expert Elm user like myself? OK, so here is my take at an alternative multiple counters approach. import Html exposing (Html, div, button, text) import Html.App

[elm-discuss] Re: Do the counters in the Guide teach us a wrong scaling approach?

> > I would love to know how to do this! > Can anyone point me to a brain-dead-simple practical and working example > for a non-expert Elm user like myself? OK, so here is my take at an alternative multiple counters approach. {- Model needs to hold a list of counter values Any counter in the

[elm-discuss] Re: Do the counters in the Guide teach us a wrong scaling approach?

> > I would love to know how to do this! > Can anyone point me to a brain-dead-simple practical and working example > for a non-expert Elm user like myself? OK, so here is my take at an alternative multiple counters approach. First, putting everything in one (monolithic) module: import Html

[elm-discuss] Re: Do the counters in the Guide teach us a wrong scaling approach?

@Erik Lott, did you mean: view : Msg -> Msg -> Int -> Html Msg Or did I miss something? @Peter Damoc, yeah the flat solution would be simpler (I actually did do a flat counter list before separating out the CounterView ;). -- You received this message because you are subscribed to the

Re: [elm-discuss] Functional programming, or why should I use Elm instead of vanilla javaScript?

This react-conf 2016 video on Elm (which was when I first heard of Elm) is a great explanation of the many things which are possible in javascript, but not necesserily good. Javascript is like an irresponsible parent. You can do pretty much

[elm-discuss] Re: Do the counters in the Guide teach us a wrong scaling approach?

Thanks for the feedback folks. Really helpful and got me thinking. Will definitely dive into the links @NickH shared. And @ErikLott's example of a multi-page SPA (forgive the oxymoron) was also helpful. This is one of the places I run into issues: my top level update is already huge and

Re: [elm-discuss] Should I have a CSS file for my made-with-Elm web app?

What works for me is: - Separate CSS file for static styling and basic UI animations, so I only need to add class attributes in view functions. - Layout, fonts, hover and focused states etc etc all go in css file. - So e.g. if I want to make give a "selected" element in a list

Re: [elm-discuss] Re: Basic behavioral composition

Thank you for this very clear and concise description @debois! Coming from React+Flux, I've followed much of the discussions on child-parent communication, components etcetera, but I found it really hard to scale in elm. The "everything is a component" from react is a hard habit to break, and

[elm-discuss] Re: Modeling a domain with complex data access constraints

Hi Spencer, In an Elm app I am building I ran into similar challenges. The principles which work well for me in model design: - Flat is better than nested (for relational stuff, such as your courses) - One source of truth = a normalized model without duplication of data - Connect data

[elm-discuss] Re: Modeling cross-references

> > On Sunday, September 25, 2016 at 8:54:50 AM UTC+10, Eric G wrote: >> >> - Is it better to use Dicts as the basic 'table' structure, if frequently >> rendering lists of items filtered and sorted in various ways? In short, is >> it better to convert a `List (ID, Item)` to a Dict for finding

[elm-discuss] Re: Confused by error (inline function, >, tagged type)

It looks like the error you get is because you redefine the '>' function by using the same function: - You redefine '>' to take 2 DropsPerSecond types - Inside this function you want to use the "old" '>' function to compare 2 Floats The compiler - I think - is ahead of you: it uses

Re: [elm-discuss] Does CSS model the right problem?

Gss and Slalom are very impressive indeed! Would be great if to use with Elm. Thanks for sharing Peter and Duane! -- 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

[elm-discuss] Re: Routing, authentication etc. still on my 3rd Elm project.

Very useful to read your experiences with Elm. I am in a more-or-less similar point on the learning curve. Small aside: The Elm Exts (extentions) package has a simple function called catMaybes to filter out Nothings: catMaybes : List (Maybe a) -> List a Link here:

[elm-discuss] Re: Correct use of port subscriptions in a submodule reused multiple times?

In your design, the port has a 1-to-1 connection to the Part. The port does not communicate for which Part the incoming message is intended, because it "expects" that their is only 1 Part. Your batch function in the subscriptions in the Group.elm passes on the port message on to all your Parts.

[elm-discuss] Re: Can I use css animations normally in elm?

I have some experience in this, and for basic stuff you can use css. And it keeps your elm code nicely focused on state, without complexity of having to manage state transitions inside state. e.g. for displaying and hiding a sidebar-menu which slides in from the left, or a dropdown-menu,

Re: [elm-discuss] Structure for large Elm apps

Op vrijdag 21 oktober 2016 21:01:29 UTC+2 schreef Ed Ilyin: > > Can you, please, provide an example? > In a SPA I am developing, I use a structure like: Helpers.elm Helpers -- folder with more helpers Nav.elm -- helpers for navigation Exam.elm -- helpers for updating the exam Summaries.elm

Re: [elm-discuss] Proposal: rename foldl til foldLeft and foldr to foldRight

Op dinsdag 25 oktober 2016 02:20:29 UTC+2 schreef Max Goldstein: > > Changing things makes upgrading harder, invalidates old code, and gives > the larger community the impression that Elm is not stable. > The question is whether different naming for "foldl" and "foldr" would bring enough

Re: [elm-discuss] Proposal: Rename case..of -> match..with

Personally I prefer "case ... of" I find it easier to read: "(in) case [this thing] (is) of [this pattern], (do) [this function]". It is a variant of the "if ... then ... else .." syntax. To me, "match ... with" would be less easy to read (although other languages apparently use it), but also

Re: [elm-discuss] Structure for large Elm apps

+1 for the "better flat than nested " approach. I think it was the second elm town podcast where Brian admitted that he actually regretted his post. >From personal experience (admittedly limited) I definitely agree to the "flat >is better than nested". Having one update function with helpers,

[elm-discuss] Re: Naming functions

Op maandag 24 oktober 2016 13:18:59 UTC+2 schreef Lars Jacobsson: > > Any thinking going out there on around naming conventions OOP vs > functional? I'd be grateful for any input on this matter of life or death! > I always try to keep my naming conventions close to the Core functions. E.g. in my

Re: [elm-discuss] Re: Correct use of port subscriptions in a submodule reused multiple times?

Op maandag 14 november 2016 02:24:16 UTC+1 schreef Witold Szczerba: > > Can you provide some real-life example of "moving away from components"? > That could be helpful… > Sure. My background is in React, where everything there is components too. No examples of my own to share just yet. My app

[elm-discuss] Re: Using Navigation - is Events.onWithOptions required?

Op woensdag 23 november 2016 23:52:54 UTC+1 schreef Brian Marick: > > So I suspect I’m doing something wrong. Am I? > Not wrong, I guess, but it is kind of a peculiar setup. I also use elm-lang/navigation, and never ran into this issue. After checking my code: - Either I use an `a [ href

Re: [elm-discuss] What Elm needs to move forward

Maybe the Elm Weekly newsletter, the ElmTown podcast, and the remote meetups would be useful additions to the http://elm-lang.org/community page? -- You received this message because you are subscribed to the Google Groups "Elm Discuss" group. To unsubscribe from this group and stop receiving

[elm-discuss] Re: How to use Navigation library

Thank you for the explanation Erik! With the upgrade to 0.18 and the changes in navigation, I was wondering which route (pun intended) to follow with the upgrade. Not sure I follow completely though. In option 1, could you deal with redirect-like scenario's inside the SPA? Like 1. user is

[elm-discuss] Re: Dynamic Unsubscribing to subscriptions?

Your subscriptions also take model as input, so you could do something like this: subscriptions : Model -> Sub Msg subscriptions model = if model.followMouse then Mouse.moves MyMsg else Sub.none You could look at the drag-and-drop example elm-lang.org examples to see how

Re: [elm-discuss] Re: Passing properties as arguments to messages?

PS: the function definition should not be capitalized, but should be called "animateProperty" of course -- 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

Re: [elm-discuss] Re: Passing properties as arguments to messages?

There is a way to make it work, but it will be a lot more verbose/ ugly/ overengineered. Your signature would need to look something like this: AnimateProperty : Model -> (Model -> Style) -> (Style -> Model -> Model) -> Msg -> (Model, Msg) AnimateProperty = model funcToExtractStyle

Re: [elm-discuss] Proposed addition for Task package

Op dinsdag 22 november 2016 13:47:55 UTC+1 schreef Charlie Koster: > > I respectfully disagree. Depending on the application, this either may not > be possible or would be a terrible code smell. I honestly think the above > suggestion would be worse than chaining another Cmd msg. Sending another

Re: [elm-discuss] Proposed addition for Task package

My 2c: I kind of like it that there is NOT such a function in the core. Because it *prevents me from grabbing it when I really shouldn't*. Especially if the `Cmd` has no side effects, it is better to do a recursive call to the `update` function, or better yet: call the function that your

Re: [elm-discuss] Proposed addition for Task package

Op dinsdag 22 november 2016 14:49:47 UTC+1 schreef Charlie Koster: > > My assumption is a race condition here wouldn't be possible since calling > `sendMsg MyMsg` is a synchronous action > I have tried it out in elm-lang.org/try, which suggests that it is asynchronous, in a simple setup -

[elm-discuss] Re: Passing properties as arguments to messages?

Op dinsdag 22 november 2016 15:55:25 UTC+1 schreef Rex van der Spuy: > > But, can anyone explain why Elm doesn't let us do this? > My impression is that it has to do with the enforced strong typing and type safety of elm. A record is intended for key-value type info where each value could be of

Re: [elm-discuss] Proposed addition for Task package

For those interested: here is the example I refered to: import Html exposing (..) import Html.Events exposing (onClick) import Time exposing (Time, second) import Task main = Html.program { init = init , view = view , update = update , subscriptions = subscriptions } --

Re: [elm-discuss] What Elm needs to move forward

My learning curve has been similar to what Oliver describes. IMHO, there still a large gap between The Official Guide and the community platforms, that needs to be filled. The Official Guide is a great doc, but it has very few examples, and mostly entry-level and small. Outside the guide, the

[elm-discuss] Re: How to use Navigation library

Thanks Erik, I think I got it. In case of not found, I prefer the not found message over not found page. With your explanations in this thread, I'll probably be able to do that. If not, I'll be back here :) -- You received this message because you are subscribed to the Google Groups "Elm

[elm-discuss] Elm post: feedback requested

Over on Medium, I've written an article to share some beginner/ intermediate experiences in Elm. About extracting helper functions. https://medium.com/@wintvelt/making-elm-code-more-compact-and-more-readable-935067f81829 Any feedback (here on over on medium) would be highly appreciated! Thanks.

[elm-discuss] The Elm Architecture and Html.beginnerProgram

The `model` function is called only once, when your app is started. Then your `view` function is called, to render the model to the DOM. After that, every time your `view` function produces and `Msg`, your `update` function is called, and the resulting model is passed on to another call of

[elm-discuss] Re: Suggested edit to Json.Decode docs

Thank you all for clearing that up. I discovered the elm-decode-pipeline through this, so that's also valuable. -- 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

[elm-discuss] Suggested edit to Json.Decode docs

In the Json.Decode docs I ran into unfamiliar functions in an example in the lazy section. comment : Decoder Commentcomment = object Comment

[elm-discuss] Re: Ho to work with the DOM of element where Elm is 'embed'ed.

I tried this once with the idea to have some sort of "Elm is initializing" static HTML, to be replaced after my elm app loaded and ran. So for me this behavior wasn't what I needed at the time. (By now my elm app loads and runs in 1600ms first load, and 250ms with caching, so fortunately don't

[elm-discuss] Ho to work with the DOM of element where Elm is 'embed'ed.

I tried that in 0.17, and the embedded elm stuff was placed after the last existing child of the node where I embedded elm. So: ... Elm stuff -- You received this message because you are subscribed to the Google Groups "Elm Discuss" group. To

Re: [elm-discuss] Issue a command after view update

Op vrijdag 18 november 2016 11:22:51 UTC+1 schreef Tim Bezhashvyly: > > That's the issue. By the time load command is sent the HTML markup must be > already present at the page. > I am not to familiar with Google maps integration, but it looks like the actual update of the map in the DOM is

Re: [elm-discuss] Help for article review for SPA applications in Elm 0.18

Great article! I really like the way that you take the reader step by step through building a basic SPA, which even includes navigation and url parsing. Personally, I think it is fine to let the reader "play along" by making a local copy and work on that. It would be useful if you point out

[elm-discuss] Re: Edit Table Cell

Your Msg is the type you use to send data back. You actually send it to the Elm runtime. The Elm runtime then sends it to your update function, together with a model. The nice thing is, you can pass more than one parameter in your message. If you define your message as: type Msg = Input Int

Re: [elm-discuss] Re: Edit Table Cell

Op zondag 20 november 2016 20:17:04 UTC+1 schreef Thomas Shelton: > > I'm not sure onInput will work with TD's though. I'm not seeing any > messages logged in the console. > Yeah, you are right. `onInput` does not fire on TDs. I have changed my example to include your custom `on` handler for

Re: [elm-discuss] Re: Edit Table Cell

To get decent styling of tables I always use CSS flexbox, as classes for plane and tags. I'm sure there are ways to work too, but for me, they also tend to jump around and behave in unexpected ways. For elm specifically, you could look at devoid/elm-mdl, Or use material design light CSS

Re: [elm-discuss] why no more primes on 0.18 ?

The primes I currently use mostly in msg' and in model' in update functions. It will take some getting used to, but not too bad I guess. I agree that newModel or similar is easier to read, so probably an improvement. The backticks like in `andThen` I won't miss. It is probably more consistent

Re: [elm-discuss] why no more primes on 0.18 ?

Never mind my question: type' will be type_ -- 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 elm-discuss+unsubscr...@googlegroups.com. For more options, visit

[elm-discuss] Re: Proposal: rename foldl til foldLeft and foldr to foldRight

Op woensdag 26 oktober 2016 13:21:03 UTC+2 schreef Rupert Smith: > > Also worth pointing out that these libraries (and possibly others) have > adopted the convention of using a single 'l' or 'r' to mean from-the-left > and from-the-right: > And the List library also has a scanl function (no

Re: [elm-discuss] tictactoe game with elm (newbie)

Op woensdag 26 oktober 2016 13:36:18 UTC+2 schreef Did: > > 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.

Re: [elm-discuss] why no more primes on 0.18 ?

Op woensdag 26 oktober 2016 13:51:03 UTC+2 schreef Andrew Radford: > > Yeah but it does beg the question whether > > type'' > > should become type__ > The type' variable was in the 0.17 Html.Attributes package. I don't think double primes are an issue there. For other variables, that we define,

[elm-discuss] Re: list of types is missing from docs page at http://elm-lang.org/docs

In the standard docs, there is some explanation of types here . But no exhaustive list. In practice, I found that I did not need to learn any of the standard types. In contrast to any other language I know, Elm's compiler is really helpful

[elm-discuss] Re: Another documentation item I think is needed

The comparison page you refer to is more a high-level comparison between javascript and elm syntax. It does not look like it is intended to be in-depth. I agree it would be useful to have some docs at some time summing up the pros and cons of List vs Array vs Set vs Dict. But I am not sure that

[elm-discuss] Re: Subscribe to a model value then call update function when condition is met

PS: The subscription to time is useful if you want some sort of timeout or delay between the user move and the AI move. If you want to do the AI move immediately after the user move (without delay), a pattern with a recursive update call (and without subscription) is probably more suited.

[elm-discuss] Re: Subscribe to a model value then call update function when condition is met

Op woensdag 12 oktober 2016 06:17:37 UTC+2 schreef hoang...@gmail.com: > > But if I do it this way, it's gonna return both the player's move and the > AI's move at the same time. What I want to have is that the game displays > the player's move THEN call minimax function on current model and

[elm-discuss] Re: Another documentation item I think is needed

Op dinsdag 11 oktober 2016 23:36:49 UTC+2 schreef J. E. Marca: > > On first read I laughed out loud --- I don't know what <| does, and it > seems a random application of head and drop. Reading closer, it *is* > straightforward as you say... drop first n items (one based count), then > get the

Re: [elm-discuss] Pattern matching on aliased types

Op dinsdag 11 oktober 2016 23:35:27 UTC+2 schreef Duane Johnson: > > toString is a bit magical in Elm, and can convert any type to a string. > Also note that if you apply toString to something that is already a String, it will add double quotes at the start and end. -- You received this

Re: [elm-discuss] http "middleware" options

Personally, I like the setup for as it is used in the time tracker SPA example (here) . They have a separate file (Util.elm) with the following function: cmdForRoute : Model -> List (Cmd Msg) (This function is called inside

Re: [elm-discuss] Re: using js library inside elm?

> > On Thu, Oct 13, 2016 at 5:46 AM, António Ramos > wrote: > >> any example of calling an external js method ? >> > Another example of calling external JS method is in the Todo.elm example app . Where port to JS

[elm-discuss] Re: Subscribe to a model value then call update function when condition is met

(disclaimer: I am also quite new to Elm) I always try to avoid creating my own Cmd: there is usually a better, less bug-prone way to achieve this (e.g. with resursive update calls). That said: I can see the logic in having a Msg originating from a "real" player, and another Msg from your AI

[elm-discuss] Re: How to insert an object into a list from a form

Op maandag 10 oktober 2016 14:58:56 UTC+2 schreef Ambrose Laing: > > I would modify the model to also contain a name, description and price, at > the top level. These are uncommitted values. By uncommitted I mean that > it should be possible to change any one of these without changing the >

[elm-discuss] Re: How to insert an object into a list from a form

Op dinsdag 11 oktober 2016 09:45:57 UTC+2 schreef Did: > > Thanks for your reply! Is there a better way to do this or this is a > common solution in elm? > Well, this is the best way I can think of :) But seriously, as soon as your app grows, some functions in this setup may become big and

[elm-discuss] Re: Can I use css animations normally in elm?

Interesting! Having only discrete state in elm, with animations in CSS will definitely keep code simpler. -- 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

Re: [elm-discuss] Re: Elm post: feedback requested

Op dinsdag 29 november 2016 10:25:50 UTC+1 schreef John Orford: > > Just a note - sometimes a little repetition is helpful when learning or > teaching... At least that's what I tell myself when I find I am repeating > myself :) > Fully agree! Hope I made that clear by adding the workflow

[elm-discuss] Re: Elm post: feedback requested

Thanks Max. I've taken out the somewhat repetitive paragraphs, to make the article itself also more compact and readable :) As for using Dict, the exercise basically shows how to extract functions by rolling your own List equivalent of Dict.update. Using Dict from the start would be less clear

[elm-discuss] Re: launchaco built in Elm

Op vrijdag 9 december 2016 06:55:07 UTC+1 schreef Marc Laventure: > > Hey! I am the author, great to hear your satisfaction with Launchaco. I am > also super excited to play around with elm on server side rendering! Fun > tidbit, we used golang to generate the html and assets when you click the

Re: [elm-discuss] `Case of` branches grouping

Op vrijdag 9 december 2016 16:57:48 UTC+1 schreef Nick H: > > This only works if your type values aren't storing any data. > The equality test can be done if you are *not trying to pattern match* on the data in the type. So -- will work if someValue == Just 42 then doStuffWith 42 is fine,

[elm-discuss] Re: Design concepts. Too many Msg's?

Op dinsdag 13 december 2016 15:28:50 UTC+1 schreef Manu Rosa: > > ...I am curious as to what's the (communitie's) best practice to tackle > this. > Hi Manu, One of the bigger examples (and my favorite) out there is the Time Tracker app: https://github.com/knewter/time-tracker They use nested

[elm-discuss] Re: onClick while shift key pressed

Here's how I would do it: onShiftClick : msg -> Attribute msg onShiftClick message = let hasShift shiftKey = if shiftKey then JD.succeed message else JD.fail "No shift key" in on "click" <| JD.andThen

[elm-discuss] Re: Patterns for sum and product types

Op zondag 11 december 2016 20:01:09 UTC+1 schreef Brian Marick: > > Since FP has been around for a long time, too, I’m hoping that those > idioms and patterns have been written down, with a good effort toward > explaining them (with examples!) Where? > As it happens, I just wrote a post on

[elm-discuss] Re: Patterns for sum and product types

Great resources Rafal! Thanks for sharing! -- 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 elm-discuss+unsubscr...@googlegroups.com. For more options, visit

[elm-discuss] How to use Dict.empty?

The error message from the compiler says that the third thing in your SomeRecordType should be a SomeOtherRecordType. But you are passing it an empty Dict. Which suggests that you have defined "SomeOtherRecordType" as something other than a Dict -- You received this message because you are

Re: [elm-discuss] Mutually dependent types

Op vrijdag 13 januari 2017 09:13:25 UTC+1 schreef Marco Perone: > > Coming back to my original question, supposing we have two mutually > recursive types, they must be in the same module and hence in the same > file, right? > Yes, that is what I would think too. I would argue that it would be

[elm-discuss] Re: Inter triplets communication.

This is a very educational discussion! Thank you for sharing links and examples. As perhaps a minor point, I believe the elm-sortable-table does NOT belong in the list of "encapsulated state", "components", "triplets". It does have a State type defined. But a notable difference with various

[elm-discuss] Re: Why not components?

Op zondag 4 december 2016 15:02:02 UTC+1 schreef Rex van der Spuy: > > I found both Evan's sortable table example and your (excellent!) dropdown > menu just a few levels too advanced for my poor beginner's brain to fully > grok. > Glad you liked it! Were there any particular sections in the

[elm-discuss] Why not components?

Hi All, To explore and explain (in a beginner-friendly way) why making stateful reusable components in Elm is not always a good idea, I have made a demo + write-up in 2 articles over on Medium. Here are the links to the drafts:

Re: [elm-discuss] Why not components?

Op maandag 5 december 2016 16:58:34 UTC+1 schreef Peter Damoc: > > I just pushed the latest changes and the functionality should be > equivalent. > https://github.com/pdamoc/polymer-exploration > Looks great! I would suggest a small change in the country update: to only reset the city selector

[elm-discuss] Re: One month with Elm, two questions

Op maandag 5 december 2016 21:00:35 UTC+1 schreef Frankie Sardo: > > Why does the update syntax accept just a new value instead of accepting a > function that updates (or creates) the new value? > Don't know about Clojure, but Elm likes you to be explicit and consistent about functions,

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