Elixir v1.18 released: type checking of function calls, Language Server listeners, built-in JSON, and ExUnit improvements

[NewsBot]

A new Elixir blog post/announcement has been posted!

Elixir v1.18 is an impressive release with improvements across the two main efforts happening within the Elixir ecosystem right now: set-theoretic types and language servers. It also comes with built-in JSON support and adds new capabilities to its unit testing library. Let’s go over each of those in detail.

Type inference of patterns and return types

There are several updates in the typing department, so let’s break them down.

A type system? In my Elixir?

There is an on-going research and development effort to bring static types to Elixir. Elixir’s type system is:

• sound - the types inferred and assigned by the type system align with the behaviour of the program

• gradual - Elixir’s type system inc...

Get the full details here: Elixir v1.18 released: type checking of function calls, Language Server listeners, built-in JSON, and ExUnit improvements - The Elixir programming language