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

First poster: bot
Backend>Blogs/Talks

Rust vs Go
Rust vs Go — Bitfield Consulting. Which is better, Rust or Go? Which language should you choose for your next project, and why? How do t...
bitfieldconsulting.com
/go/rust
0 1590 0
New
First poster: wolf4earth
Backend>Blogs/Talks

Understanding Partial Moves in Rust
Understanding Partial Moves in Rust. Partial moves are an interesting but often misunderstood feature of Rust. However, with the right ...
whileydave.com
/rust
8 1614 4
New
First poster: bot
Backend>Blogs/Talks

Tutorial – Write a Shell in C
It’s easy to view yourself as “not a real programmer.” There are programs out there that everyone uses, and it’s easy to put their develo...
brennan.io
/c
0 1699 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

Between Go and Elixir
I discovered Elixir and Go at about the same time (2019). I had pivoted almost eight years of working as a Java developer, and part of me...
preslav.me
/elixir/go
2 1463 0
New
CommunityNews
Backend>Blogs/Talks

Functional Programming in Go with Generics
Functional programming is an increasing popular programming paradigm with many languages building or already supporting it. Go already su...
ani.dev
/go#programming
4 1625 1
New
First poster: bot
Backend>Blogs/Talks

From Julia to Rust
I’ve been more serious about learning Rust recently, after dragging on with passive learning for a while. My first real programming langu...
miguelraz.github.io
/julia/rust
2 1623 0
New
pablocostass
Backend>Blogs/Talks

Galicia ❤️ a BEAM (blog-post in Galician)
Todos coñecemos os focos de Erlang/Elixir máis renomeados do mundo, como a Suecia, o Brasil, a California ou Londres. Mais a comunidade, ...
medium.com
#community/elixir/erlang#blog-post#galicia
13 1801 3
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
fullstackplus
Backend>Blogs/Talks

Bulding apps data-first with Sinatra
The Ruby ecosystem is rich with tools that make us developers more productive at what we do. Both Rails and Sinatra have been used to bui...
fullstackplus.tech
/ruby/rails/sinatra#functional-programming
21 1381 10
New

Other popular topics Top

siddhant3030
General Dev>Dev Chat

Which vertical monitor do you use?
I’m thinking of buying a monitor that I can rotate to use as a vertical monitor? Also, I want to know if someone is using it for program...
#monitors#programming
51 4892 20
New
AstonJ
General Dev>Dev Chat

Which language or framework do you want to learn next?
Curious to know which languages and frameworks you’re all thinking about learning next :upside_down_face: Perhaps if there’s enough peop...
#community#learning
243 6639 97
New
Rainer
Community>Journals

Programming Erlang Book Club
My first contact with Erlang was about 2 years ago when I used RabbitMQ, which is written in Erlang, for my job. This made me curious and...
/erlang/book-programming-erlang-2nd-edition#book-club
195 6815 95
New
AstonJ
General Dev>Hardware

Planck vs Preonic vs Subatomic (Keyboards)
I ended up cancelling my Moonlander order as I think it’s just going to be a bit too bulky for me. I think the Planck and the Preonic (o...
/keyboards#mechanical-keyboards#ortholinear#planck#preonic
105 17596 47
New
AstonJ
General Dev>Hardware

BIIP MT3 Extended 2048 Custom Keycap Set (Drop)
This looks like a stunning keycap set :orange_heart: A LEGENDARY KEYBOARD LIVES ON When you bought an Apple Macintosh computer in the e...
/keyboards#apple#keycaps#mechanical-keyboards
14 6713 7
New
PragmaticBookshelf
Backend>Learning Resources

Programming WebRTC
Use WebRTC to build web applications that stream media and data in real time directly from one user to another, all in the browser. ...
pragprog.com
#pragprog#published-book/js#webrtc/book-programming-webrtc
27 6969 6
New
CommunityNews
General Dev>In The News

X can’t stop spread of explicit, fake AI Taylor Swift images
Will Swifties’ war on AI fakes spark a deepfake porn reckoning?
arstechnica.com
/swift
0 8379 0
New
CommunityNews
General Dev>In The News

Review of Linux on Minisforum V3 AMD Ryzen Tablet
A Brief Review of the Minisforum V3 AMD Tablet. Update: I have created an awesome-minisforum-v3 GitHub repository to list information fo...
mudkip.me
#linux#review#amd
0 4635 0
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
PragmaticBookshelf
Backend>Learning Resources

Simplicity
Fight complexity and reclaim the original spirit of agility by learning to simplify how you develop software. The result: a more humane a...
pragprog.com
#pragprog#published-book/book-simplicity
10 6553 8
New
Back to top

Sponsor Spotlight

WyewWorks

Enabling companies to succeed by building software people love.

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