Backend>Blogs/Talks

Phantom Types in Gleam

CommunityNews

CommunityNews

Phantom Types in Gleam

In this post we’re going to be looking at a more advanced use of Gleam’s type system, known as phantom types. Hopefully by the end of this you’ll have another tool in your belt to help you better model data in your programs. And fear not, because many languages support phantom types (most common functional programming languages support them, but so do others like Rust, and TypeScript, and even PHP) so you can apply this knowledge elsewhere!

Before we get stuck into some examples, let’s tackle the obvious question…

https://blog.pd-andy.dev/phantom-types-in-gleam

This thread was posted by one of our members via one of our news source trackers.

View thread on forum
/gleam#types
0 1579 0

Where Next?

View thread on forum
gleam
types
Home Backend>Blogs/Talks
/gleam#types
0 1579 0
Last post

Popular Backend topics Top

DevotionGeo
Backend>Blogs/Talks

Formatting your Erlang code in Visual Studio Code
There are 3 main formatters for Erlang which you can use from the command-line, rebar3_format, Steamroller elmfmt. Visual Studio Cod...
marketplace.visualstudio.com
/erlang/vscode#visual-studio-code
10 2441 3
New
First poster: bot
Backend>Blogs/Talks

Between two Lisps
ane.github.io
/lisp
1 1313 0
New
paulanthonywilson
Backend>Blogs/Talks

Making friends and influencing nodes, with multicasting
Post on using UDP multicasting with Elixir to broadcast presence, and listen for peers, on a local network. I have found this approach us...
furlough.merecomplexities.com
/elixir#blog-post#otp/nerves
2 1412 0
New
First poster: bot
Backend>Blogs/Talks

PHP in 2021
Once a year, I look back at the recent developments in the PHP world, and also look forward to what’s to come. And just like in 2020 and ...
stitcher.io
/php
0 1390 0
New
First poster: bot
Backend>Blogs/Talks

Zig Makes Rust Cross-compilation Just Work
This post is a spiritual successor to Loris Cro’s Go cross-compilation. The encounter During a recent stage 2 meeting Jakub Konka wanted...
actually.fyi
/rust/zig
2 1524 0
New
elbrujohalcon
Backend>Blogs/Talks

How do List Functions Fail in Erlang?
A long time ago, I wrote an article about The Asymmetry of ++, thanks to Fede Bergero’s findings. Let’s add a few more asymmetries to th...
medium.com
/erlang#blog-post
17 1659 5
New
wolf4earth
Backend>Blogs/Talks

ElixirMix 142 - Building PWAs in Elixir and Phoenix ft. Tej Pochiraju
Tej Pochiraju joins the mix to discuss Progressive Web Apps and how you can support them using Elixir and Phoenix to control IoT devices....
devchat.tv
/elixir/phoenix/flutter#podcasts#pwa
1 1616 0
New
tonyxrandall
Backend>Blogs/Talks

Migrating From Python to Kotlin for Our Backend Services (DoorDash)
When DoorDash approached the limits of what our Django-based monolithic codebase could support, we needed to design a new stack that woul...
doordash.engineering
/kotlin/python#blog-post#backend
3 3489 0
New
brainlid
Backend>Blogs/Talks

ThinkingElixir 092 - Temple with Mitchell Hanberg
In episode 92 of Thinking Elixir, we talk with Mitchell Hanberg and learn about why he created the alternate Phoenix templating language ...
podcast.thinkingelixir.com
/elixir#podcasts#testing#browser/html#dev-news-source
4 1327 0
New
GoulvenClech
Backend>Blogs/Talks

Directory structure with Elixir/Phoenix
Hi everyone :wave: I’m excited to share an article detailing how we have reorganized our Elixir/Phoenix project’s directory structure. W...
goulven-clech.dev
/elixir/phoenix#blog-post#folder-structure
9 1191 3
New

Other popular topics Top

PragmaticBookshelf
Backend>Learning Resources

Programming Machine Learning
Machine learning can be intimidating, with its reliance on math and algorithms that most programmers don't encounter in their regular wor...
pragprog.com
#pragprog#ai/python#published-book/book-programming-machine-learning#math#algorithms
6 5350 3
New
PragmaticBookshelf
Backend>Learning Resources

Testing Elixir
Write Elixir tests that you can be proud of. Dive into Elixir’s test philosophy and gain mastery over the terminology and concepts that u...
pragprog.com
#pragprog/elixir#published-book/book-testing-elixir
33 5004 8
New
PragmaticBookshelf
Backend>Learning Resources

Programming Phoenix LiveView
Build highly interactive applications without ever leaving Elixir, the way the experts do. Let LiveView take care of performance, scalabi...
pragprog.com
#pragprog/elixir/phoenix#published-book/book-programming-phoenix-liveview
80 11261 25
New
Margaret
General Dev>Dev Chat

PragProg’s Medium Posts
Hello everyone! This thread is to tell you about what authors from The Pragmatic Bookshelf are writing on Medium.
#pragprog#blog-post
1147 29994 760
New
PragmaticBookshelf
Community>In The Spotlight

Spotlight: Jamis Buck (Author) Interview and AMA!
Author Spotlight Jamis Buck @jamis This month, we have the pleasure of spotlighting author Jamis Buck, who has written Mazes for Prog...
#author-spotlight/ruby/book-the-ray-tracer-challenge/book-mazes-for-programmers
21 6352 9
New
Help
Game Dev>Questions

Can I use Java to program a game for Nintendo switch?
I am trying to crate a game for the Nintendo switch, I wanted to use Java as I am comfortable with that programming language. Can you use...
/java#nintendo
8 4771 3
New
AstonJ
macOS>Chat

How to block any website on Mac using Little Snitch
If you want a quick and easy way to block any website on your Mac using Little Snitch simply… File > New Rule: And select Deny, O...
#macos#how-to#littlesnitch
5 11227 3
New
AstonJ
AI>Chat

Post your DeepSeek results
Curious what kind of results others are getting, I think actually prefer the 7B model to the 32B model, not only is it faster but the qua...
/deepseek
15 4275 15
New
RobertRichards
Game Dev>Chat

Hair Salon Games for Girls Fun
Hair Salon Games for Girls Fun Girls Hair Saloon game is mainly developed for kids. This game allows users to select virtual avatars to ...
#ios#android#unity#fun
2 3556 1
New
PragmaticBookshelf
Backend>Learning Resources

MySQL 9 Essentials
A concise guide to MySQL 9 database administration, covering fundamental concepts, techniques, and best practices. Neil Smyth MySQL...
pragprog.com
#pragprog#published-book/mysql/book-mysql-9-essentials
2 4162 0
New
Back to top

Sponsor Spotlight

Pragmatic Bookshelf

Practical resources that improve the lives of professional developers.

Latest in Gleam

Gleam Portal ❯

Backend>Blogs/Talks

Backend Blogs/Talks ❯

Latest on Devtalk

Devtalk ❯

We ❤️ helpful members!

We reward our most helpful members via our MOTM scheme - by giving away a whopping 25 books per year!

Member of the Month

Devtalk Sponsors

Pragmatic Bookshelf

Practical resources that improve the lives of professional developers.

Erlang Solutions

We build trusted fault-tolerant systems that scale to billions of users.

Honeybadger

Real-time error tracking, performance insights, and observability for devs.

EEF

Supporting innovation across the BEAM ecosystem.

coders51

We build reliable cloud platforms for business-critical systems.

Manning Publications

Develop your skills with books, videos, and courses.

AppSignal

Catch errors, track performance, monitor hosts and more.

WyeWorks

Enabling companies to succeed by building software people love.

Pragmatic Studio

Courses that move you from confusion to "Aha, now I get it!"

Linux New Media

Publishing Linux Magazine, ADMIN, and MakerSpace for 25+ years.

View all our sponsors ❯

Categories:

Sub Categories:

Popular Portals

Devtalk Sponsors

Pragmatic Bookshelf

Practical resources that improve the lives of professional developers.

Erlang Solutions

We build trusted fault-tolerant systems that scale to billions of users.

Honeybadger

Real-time error tracking, performance insights, and observability for devs.

EEF

Supporting innovation across the BEAM ecosystem.

coders51

We build reliable cloud platforms for business-critical systems.

Manning Publications

Develop your skills with books, videos, and courses.

AppSignal

Catch errors, track performance, monitor hosts and more.

WyeWorks

Enabling companies to succeed by building software people love.

Pragmatic Studio

Courses that move you from confusion to "Aha, now I get it!"

Linux New Media

Publishing Linux Magazine, ADMIN, and MakerSpace for 25+ years.

View all our sponsors ❯

We're in Beta

About us Mission Statement See our Roadmap