Gleam: Improved performance and publishing

[NewsBot]

A new Gleam blog post/announcement has been posted!

Gleam is a type-safe and scalable language for the Erlang virtual machine and JavaScript runtimes. Today Gleam v1.7.0 has been published, featuring an array of wonderful improvements. Let’s take a look!

Faster record updates

Gleam is a language with immutable data, and it has a syntax for creating a new record from an old one with some updated fields.

/// Create a new version of the user with `admin` set to true.
pub fn make_admin(person: User) {
  User(..person, admin: True)
}

If you’re familiar with JavaScript this is similar to the object spread update syntax, and similarly it is fast, only copying the references to the fields, not the data itself.

The code that the Gleam compiler would generate would also be similar to how JavaScript’s update works, using a small amount of dynamic code at runtime to...

Get the full details here: Improved performance and publishing - Gleam