Introduction to Erlang

Erlang is a functional programming language designed for building massively scalable soft real-time systems.

Key Features:

• Designed for concurrency
• Fault-tolerant
• Hot code swapping
• Distributed computing
• Pattern matching

Hello World:

-module(hello).
-export([world/0]).

world() ->
  io:format("Hello, Erlang!~n").

Variables and Atoms:

Name = "Erlang".
Age = 38.
Status = ok.  % atom