Evan Czaplicki
@evancz
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Creator and developer of @elmlang Reading highlights at @power_studies
Joined October 2012
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Last Seen Profiles
Pinned Tweet
Some languages have 1 engineer. Others have 30. Who pays these salaries? Why?
Does this put any boundaries on language design or development practices?
The talk I needed to hear 10 years ago when I was just starting on
@elmlang
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Finished all the lessons of a
@duolingo
course!
So happy! Thank you for teaching me so much! One of the only sites on the internet that's 100% positive influence on my life. Respect! Truly something special! ❤️
Excited to talk with my wife's family in their native language! 🥰
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Why is there so much conflict in online communities? My latest
@strangeloop_stl
talk outlines the problem, traces historical influences back to 1902, and suggests some alternate paths. I hope people find it helpful, or at least thought provoking!
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Excited to release elm/bytes and elm/file today!
Led to a much simpler API for elm/http as well :D
More details at
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Huge thank you to
@robheghan
for his data structure improvements in
@elmlang
0.19
E.g. 170% faster Dict.insert and 30% faster Dict.remove
Really excellent work! Excited that it is finally released!
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This "Qu" ligature makes me very happy for some reason. I felt very lucky when I stumbled upon it. "How often does a sentence start with Q?" It's great! YMMV 😅
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Using my phone in "healthy mode"
- No social media
- No web browser (replaced by Wikipedia app)
- No podcasts
- No work stuff
Can communicate with family/friends, but without having an industrial-grade distraction machine with me at all times. Best setup I have tried so far!
8
14
221
Been working on
@elmlang
for over a decade now, so I put together some fun stories to celebrate.
Met so many lovely people through this project, and it was a heartwarming surprise to see so many of you in the chat 🥰
Thank you
@realmario
for organizing!
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Edit code by editing the result! Play with examples at Built with
@elmlang
by
@ravi_chugh
!
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Just saw
@maniniyap
's editing plugin for
@elmlang
in
@AtomEditor
Writing code based on the types. So cool! :D
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Excited to share my "On Storytelling" talk from
@DeconstructConf
2017! I am extremely passionate about this topic, and I think it helps explain how I work on
@elmlang
.
Thanks
@garybernhardt
for putting together such an excellent event and recording!
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1) Components are objects!
components = local state + methods
local state + methods = objects
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Worried about hiring for Elm? "Several rounds of summer interns have also proven that it is possible to [...] become productive in a matter of days." 🥰
from
@kjetilvalle
&
@robheghan
on helping 1M+ visitors buy bus/train tickets each month with
@elmlang
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Does anyone else press SHIFT and then mash number keys until the right symbol shows up?
I swear that '&' moves around...
Technically still touch typing though!
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149
I wanted to share some thoughts on JSON decoders in
@elmlang
.
I hope it clarifies current/future design choices.
6
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Spoke at
@erlangfactory
this morning with
@chris_mccord
. Our talk about
@elixirphoenix
and
@elmlang
is already up!
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1/ About the "dissent is banned" meme about Elm, there has been a grand total of SIX people banned, mostly in 2018.
One or two of them happen to be extremely online and post about it in every thread about Elm as if they were just being precious angels and there's no other side.
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Small assets by default in
@elmlang
! 🎉 (And no runtime errors!)
Excited about
@elmlang
? We too! 🤩 Our one and only
@kimtorejensen
wrote an excellent blog post about our experiences switching to
#elm
for one of our
#frontend
. Check it out! 🚀
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Very happy that
@robheghan
now has paid time to work on
@elmlang
each week! Excited to work together more!
Thank you to Bekk for supporting this work!
1
28
145
Just stumbled upon a Rubik's Cube implemented by
@unsoundscapes
in
@elmlang
!
You can play with it at and it looks like the source code is there too! So cool! 😍
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27
132
I made a very simple cron job to remind myself to stretch and move around every half hour.
Work on 0.19 + have better posture = 😊
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Attempting to answer some common questions.
Code slicing? localStorage? Servers? Compile to X? Etc.
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If your consulting firm has projects in
@elmlang
and in something else, write up a comparison!
How many bug reports over the project lifetime?
How much dev time per report?
How much money for that time?
Does "no runtime exceptions" translate into **measurable** savings for you?
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"How do I grow
@elmlang
code?"
"What is the ideal file structure?"
Focus on data! Details in my
@elm_europe
talk!
0
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Has anyone done volunteer technical work for a local organization?
Making book search nicer for the local library?
Improving the website of a local business you like?
Can you tell me about your experience? Curious if this is an under-explored avenue for open source projects.
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Ran into a series about making a drum sequencer in
@elmlang
in
@smashingmag
!
Excited to see the next parts
@BHOLTBHOLT
:D
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24
118
Nice post about testing views in
@elmlang
. Does your HTML have the structure you expect?
by
@alexkorban
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Check out
@rtfeldman
's implementation of the RealWorld frontend in
@elmlang
!
Single-page app with ~4k lines.
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On safely removing unused
@elmlang
code:
"Thanks to elm-review I was able to remove ~7300 lines of code in the front end in 225 different files. Something I could have never done without its aid."
@jfmengels
also explains how removal works in JS vs Elm
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Check out
@mech_elephant
's excellent talk on better ways to do layout.
The original goal of
@elmlang
, done better!
0
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Introduce
@elmlang
at work like
@mike_onslow
Got CTO asking "Can we afford NOT to do future projects in Elm?"
0
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Had a wonderful time at
@elmconf
this year. Had a big smile the whole day 😊
Great work
@brianhicks
and Luke!
So many talks I am excited to share! (I hear they'll be online in about a week)
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My keynote from
@curry_on_conf
, trying to learn from the question "if FP is so great, how come no one does it?"
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I hear “language X is more expressive than language Y” sometimes
Sounds authoritative, but it's almost always a technical error. "Expressiveness" has a very specific meaning. Maybe precision can make those discussions more productive ¯\_(ツ)_/¯
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Been working on making
@elmlang
+
@elixirphoenix
even nicer, so hopefully I'll have some nice stuff for folks in the coming months!
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1
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Woah, love this
@AtomEditor
feature for
@elmlang
! Automatically break expressions out into variables! cc
@maniniyap
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Do you understand font file formats deeply?
Why not serve a font file that only has width, kerning, and ligature information? No character data.
Gotta be way smaller!
That way you could lay out pages perfectly, and when the character data arrives later, there is no reflow.
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Excited to see more and more advanced UIs written entirely in
@elmlang
:D
Great work
@klaftertief
!
3
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Had fun reading this autobiography of a low-ranking samurai who lived from 1802 to 1850.
Always interesting to see which of the problems that accompany being-a-person stay the same, even across cultures and centuries!
0
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92
Thinking of starting an
@elmlang
meetup in your city? Read this!
Have more data now and I still love this setup!
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I talked about “The Jeff Problem” in my recent
@strangeloop_stl
talk.
Someone sent me a nice case study of the problem:
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11
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Congrats to
@mech_elephant
on the release of elm-animator!
Always exciting to see your
@elmlang
libraries!
cc
@A_MacMurray
&
@LearningNerd
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18
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Highly recommend
@rtfeldman
's talk for folks creating larger
@elmlang
apps. Make impossible states impossible!
0
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I really enjoyed joining
@JeffBezanson
and
@josevalim
on
#PLTalk
to talk about language funding! I learned a lot too!
Huge thank you to
@jeanqasaur
for setting this up! 🙇♂️
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Python, Ruby, PHP, and Perl all exist and are "the best" to different people. Why would one be "the best" to everyone? Different people value different things! There is space for different value systems, and we can understand each other without agreeing and without anger!
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Strangers often tell me how
@elmlang
could be more successful, but what is success exactly?
If we don't agree on goals, how can we agree on strategy? Should we agree?
5
21
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Congrats to
@ianemackenzie
on the release of elm-3d-scene! Excited to see what
@elmlang
people make with such a thoughtfully designed API!
0
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Merry Christmas! My parents wanted to show me how they learned to program. Weirdly exciting! :D
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Makes me happy to see this review of
@elmlang
! Thanks for sharing
@tibastral
:) Hope it makes the rounds!
0
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So excited to see this 3D physics engine in
@elmlang
coming along!
Thank you for sharing about it
@unsoundscapes
!!!
0
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So exciting to see shadows like this in
@elmlang
!
Demo:
Great work
@unsoundscapes
and
@ianemackenzie
! They shared more details about it in
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Have you read
@ID_AA_Carmack
's comments on inlined code? Helps get past a overly-simplistic beliefs on reuse IMO
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Thank you to everyone who joined!
I was *so* happy to see people from all throughout the last decade in chat ❤️ And to hear people’s personal experiences! ☺️ Shout out to Hindley and Milner 👑🪄✨
And thank you
@realmario
for organizing such a wholesome event!
Elm Online Meetup 10 year special is on Wed 30th of March! 🌍🌎🌏 Come hear
@evancz
speak about "Celebrating 10 years of Elm - looking back, fun stories, & experiences for the next decade" 🕰 plus some fun live-coding: Evan reviews Mario's bad Haskell 🙈
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9/ I get that many people think "just allow arbitrary bindings to JS, what's the big deal? Every other language does it!"
That's exactly the issue. Should Elm trash a core premise of the project when people can get that design in literally every other language?
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.
@ElmConf
was amazing! Thank you
@brianhicks
and
@ajhager
for organizing such a great event! Excited to share the talks as they come out :D
3
16
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Just watched "All Watched Over by Machines of Loving Grace" again.
Weaves together objectivism, Sillicon Valley techno-utopianism, and the economics of the 90s in such an interesting way.
Noticed new references this time too!
Definitely recommend! ⬇️
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11
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The new
@elmradiopodcast
gets into lessons about open source learned over ~10 years working on
@elmlang
.
What are the tradeoffs of different funding sources? How does it feel?
I hope it is helpful to people using/creating open source software! ❤️
3
22
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Excited to see
@dillontkearns
exploring ideas from in practice! Can we automatically get type guarantees for HTTP between
@elmlang
and GraphQL? How about for ports between Elm and TypeScript? cc
@elmconf
1
14
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Got an
@elmlang
project with 20k lines of code or more?
Please share your build times with us! We are trying to get an idea of build times that developers see on a day-to-day basis with the 0.19.1 compiler. Follow the instructions here:
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Ever been frustrated by ports?
Watch
@splodingsocks
's
@ElmConf
talk!
I'll be improving the docs based on it!
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Thank you to
@SimonLydell
for figuring out how to make `npm install elm` faster and more reliable!
It's the same binaries, but downloaded in a nicer way.
Please let me know if you run into anything with v0.19.1-6
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My 'Let's be Mainstream!' talk got transcribed! Best overview of the essence/spirit of
@elmlang
(thanks
@pootsbook
!)
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