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.

Where Next?

Popular Backend topics Top

Scorpil
I dabbled in Phoenix for a while now, but never really got my hands dirty with it right up until now. Apart from the whole framework bein...
New
AstonJ
This article was written by @rvirding …over a decade ago! Posting here in case anyone else finds it of interest and adding it to our Erla...
New
First poster: bot
In a previous post we talked about implementing a simple video chat with WebRTC and Elixir. This update will touch on some of the API cha...
New
paulanthonywilson
So you’re enjoying using WebSockets with Elixir’s Phoenix Framework, and you want to send some binary messages. Maybe it’s an audio clip,...
New
First poster: dimitarvp
I’ve spent the last year building keyboards, which has included writing firmware for a variety custom circuit boards. I initially wrote ...
New
First poster: bot
I’ve been more serious about learning Rust recently, after dragging on with passive learning for a while. My first real programming langu...
New
First poster: bot
I wrote Python for the last 10 years, and I always tend to write code in a “functional” way - map, filter, lambda and so on, it makes me ...
New
chikega
Mark Hoffman, the author of Programming WebAssembly in Rust, is a pretty hilarious lecturer if you like a dry sense of humor.
New
RudManusachi
Hi there! Recently I was playing around with extracting and updating data in the DB and for fun challenged myself to try to implement a ...
New
vkatsuba
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 ...
New

Other popular topics Top

New
AstonJ
Do the test and post your score :nerd_face: :keyboard: If possible, please add info such as the keyboard you’re using, the layout (Qw...
New
dimitarvp
Small essay with thoughts on macOS vs. Linux: I know @Exadra37 is just waiting around the corner to scream at me “I TOLD YOU SO!!!” but I...
New
Margaret
Hello everyone! This thread is to tell you about what authors from The Pragmatic Bookshelf are writing on Medium.
1147 29841 760
New
mafinar
This is going to be a long an frequently posted thread. While talking to a friend of mine who has taken data structure and algorithm cou...
New
AstonJ
We’ve talked about his book briefly here but it is quickly becoming obsolete - so he’s decided to create a series of 7 podcasts, the firs...
New
New
PragmaticBookshelf
Author Spotlight: Peter Ullrich @PJUllrich Data is at the core of every business, but it is useless if nobody can access and analyze ...
New
PragmaticBookshelf
Explore the power of Ash Framework by modeling and building the domain for a real-world web application. Rebecca Le @sevenseacat and ...
New
Margaret
Ask Me Anything with Mark Volkmann @mvolkmann On February 24 and 25, we are giving you a chance to ask questions of PragProg author M...
New