Gleam: Hello panic, goodbye try

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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 v0.27.0 has been released, let’s take a look at what’s new.

Using patterns in use expressions

The Gleam v0.25 release introduced the use expression, a feature that helps avoid “callback hell” in Gleam programs. It is quite powerful and can be used to emulate many features found in other languages such as early returns, list comprehensions, async/await, monadic do syntax, and more!

pub fn handle(req: Request) -> Response {
  // Return an error for non-post requests
  use <- when(req.method != Post, return: method_not_allowed)

  // Parse the request body or return an error
  use json <- require_json_body(req)

  // Open a database c...

Get the full details here: Hello panic, goodbye try – Gleam

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