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

lpil
Backend>Blogs/Talks

Shayne Tremblay's talk on Gleam at the Denver Elixir Meetup
Shayne gave this excellent talk the other day on Gleam, so I thought I’d share it. From my point of view it was really interesting to se...
youtube.com
#video#talk/gleam
3 1367 0
New
First poster: bot
Backend>Blogs/Talks

Where (and how) you limit your concurrency in Go can matter
utcc.utoronto.ca
/go
0 1576 0
New
First poster: bot
Backend>Blogs/Talks

The beauty of Phoenix LiveView
dashbit.co
/phoenix#liveview
2 1481 0
New
First poster: bot
Backend>Blogs/Talks

Haskell is a Bad Programming Language (2020)
Such inflammatory, much wow. Unfortunately, Haskell itself agrees. Some languages naturally lend themselves towards adoption. Some don’t...
blog.shitiomatic.tech
/haskell#programming
0 1782 0
New
Rainer
Backend>Blogs/Talks

Giving C# enums string values using attributes and extension methods
Just wrote a short post, more a memo to myself, but maybe someone find it useful :stuck_out_tongue: https://dwarfte.ch/2021/02/03/giving...
dwarfte.ch
/c-sharp
4 1281 4
New
prajaut
Backend>Blogs/Talks

Golang Error Handling blog post
Being a part of the tech industry, it would be good to share thoughts on specific technologies. Having surrounded by skilled and experie...
bacancytechnology.com
/go
7 1898 2
New
First poster: bot
Backend>Blogs/Talks

I finally escaped Node (and you can too)
Creation vs. Evolution Consider the history of Elixir: first you take Erlang, which was invented by Joe Armstrong and team to solve the ...
acco.io
/elixir/nodejs
1 1439 0
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
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
vkatsuba
Backend>Blogs/Talks

Why Erlang/OTP Still Matters in 2025
Hi folks! Ukrainian Erlanger is here :sign_of_the_horns:! I’d like to share my recent talk at the TADSummit Online Conference, where I ...
youtube.com
/erlang#blog-post#functional-programming
5 1357 2
New

Other popular topics Top

PragmaticBookshelf
Backend>Learning Resources

Distributed Services with Go
Take your Go skills to the next level by learning how to design, develop, and deploy a distributed service. Start from the bare essential...
pragprog.com
#pragprog/go#published-book/book-distributed-services-with-go
1 4310 0
New
PragmaticBookshelf
Data Science

Genetic Algorithms in Elixir
From finance to artificial intelligence, genetic algorithms are a powerful tool with a wide array of applications. But you don't need an ...
#pragprog#ai/elixir#published-book/book-genetic-algorithms-in-elixir
25 5243 6
New
PragmaticBookshelf
Frontend>Learning Resources

Modern CSS with Tailwind
Tailwind CSS is an exciting new CSS framework that allows you to design your site by composing simple utility classes to create complex e...
pragprog.com
#pragprog/tailwind#published-book/book-modern-css-with-tailwind
12 5813 4
New
AstonJ
General Dev>Hardware

CharaChorder - type at the speed of thought?
Saw this on TikTok of all places! :lol: Anyone heard of them before? Lite:
/keyboards#charachorder
13 4703 4
New
PragmaticBookshelf
Community>In The Spotlight

Spotlight: Dmitry Zinoviev (Author) Interview and AMA!
Author Spotlight Dmitry Zinoviev @aqsaqal Today we’re putting our spotlight on Dmitry Zinoviev, author of Data Science Essentials in ...
#author-spotlight/python/book-complex-network-analysis-in-python/book-data-science-essentials-in-python/book-resourceful-code-reuse/book-pythonic-programming
33 5211 14
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
DevotionGeo
General Dev>Questions

Do you prefer regular mechanical keyboards or low profile mechanical keyboards and why?
I have always used antique keyboards like Cherry MX 1800 or Cherry MX 8100 and almost always have modified the switches in some way, like...
/keyboards#mechanical-keyboards
27 3877 9
New
PragmaticBookshelf
Community>In The Spotlight

Spotlight: Peter Ullrich (Author) Interview and AMA!
Author Spotlight: Peter Ullrich @PJUllrich Data is at the core of every business, but it is useless if nobody can access and analyze ...
/elixir/phoenix/book-building-table-views-with-phoenix-liveview
72 4765 21
New
PragmaticBookshelf
General Dev>Learning Resources

A Common-Sense Guide to Data Structures and Algorithms in Python, Volume 1
Big O Notation can make your code faster by orders of magnitude. Get the hands-on info you need to master data structures and algorithms ...
pragprog.com
#pragprog/python#published-book/book-a-common-sense-guide-to-data-structures-and-algorithms-in-python-volume-1
24 5988 11
New
First poster: AstonJ
General Dev>In The News

Jan: An open source alternative to ChatGPT that runs on the desktop
Jan | Rethink the Computer. Jan turns your computer into an AI machine by running LLMs locally on your computer. It’s a privacy-focus, l...
jan.ai
#desktop#chatgpt
4 5652 4
New
Back to top

Sponsor Spotlight

Honeybadger

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

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