Elm Europe 2019 Retrospective

I'm Théophile Kalumbu
Functional programming enthusiast
Attending Elm-Europe since 2017

Working at Veepee

What ? When ? Where ?

A conference dedicated to Elm
Was held on June 27-28th 2019
At EFREI school in Paris ( Villejuif )

Who ?

Some of the greatest community contributors :
Richard Feldman, Joël Quenneville, @Kalabibishkis etc...

And also
Beginners, Student(s), Designer(s) etc...

Keynotes

Custom Types everywhere

Richard Feldman

What if elm's only feature was
algebraic data types ?

One of the main language feature
A killer design tool
A recuring topic during the conference
Make impossible state impossible

Elm as a Service

Mario Rogic

Lamdera, a new way of creating applications

Which language ? backend ? frontend ? hosting ?
Write Elm on the Backend and the Frontend
Great for prototyping
No more headache with hosting, deployment etc..
https://github.com/Lamdera

Feedbacks

The biggest Elm app in Japan

Seiya Izumi

50K loc of Elm
7 frontend engineers
Elm bootcamps for beginners onboarding
Cultivates Engineers & pushes code quality

Elm side effects:
how adopting Elm modified our state

Diane Manière

Elm as a success story in a startup
100% Styled-elements / No More CSS
Functional Style on the Backend
https://www.mybrocante.fr/

From experiment to production:
stories of Elm at Veepee

Radwane Hassen & Benoît Chiquet

Elm as a learning tool
Pair programming
Code generation between Haskell/Node & Elm

Gaming

Gamedev in elm
From Zero to Game Jam

Joel Quenneville

Join a Game Jam (kind of a Hackathon)
Limit your ambitions & set a goal
It's Ok to hardcode, think MVP
When stuck draw to visualize the problem
https://itch.io/

Is performance enough in Elm
to create full fledged video games

Romāns Potašovs ( @Kalabibishkis )

It's possible to make 60fps games with Elm
Entity Component System
Tips and Tricks to prevent useless rendering
Usage of Elm WebGL and Custom Elements

Building a Music Learning Game with
Elm Web MIDI, and SVG Animation

Liz krane

First experience in functional programming
Learning sight reading & Elm

And other cool stuffs

Fighting the Laws of Physics with Elm

Andrey Kuzmin
https://github.com/w0rm/elm-physics

Designing with Elm

Jono Mallanyk
https://jono.co/

Making Impossible Video States Impossible

Dan Abrams

Conclusion

Small Startup use Elm
Big companies too !
Custom Types are Great !
Gaming is accessible with Elm !
Designers start to show interest