Hidden Features of Erlang

Posted by pageman on Stack Overflow See other posts from Stack Overflow or by pageman
Published on 2009-06-30T12:52:10Z Indexed on 2010/03/19 7:51 UTC
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In the spirit of:

Hidden Features of C#
Hidden Features of Java
Hidden Features of ASP.NET
Hidden Features of Python
Hidden Features of HTML
and other Hidden Features questions

What are the hidden features of Erlang that every Erlang developer should be aware of?

One hidden feature per answer, please.

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