Gleam: Supercharged labels

[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 v1.4.0 has been published, so let’s go over all that’s new.

A shorthand syntax for labels

Gleam’s labelled arguments are a way to give a parameter a name that can be used at the call site. These serve as documentation and to make code easier to read and modify. Here the function date takes 3 labelled arguments, day, month, and year.

pub fn main() {
  let day = 11
  let month = October
  let year = 1998
  date(year: year, month: month, day: day)
}

It’s relatively common in Gleam programs to have this repetition of a label and a variable with the same name. The new label shorthand means that the variable name can be omitted if it matches the nam...

Get the full details here: Supercharged labels – Gleam