-module(hello_world).

-export([hello/0]).


hello() -> undefined.

-module(hello_world).

-export([hello/0]).

hello() ->
  "Goodbye, Mars!".

Simplify the `hello-world` exercise's stub. The goal of this is to make things easier for students to get started and to introduce as little syntax as possible.
Simplify the `hello-world` exercise's stub. The goal of this is to make things easier for students to get started and to introduce as little syntax as possible.
