Wrapping Up
Thank you for reading this book. I hope you’ve enjoyed it. It’s been a long journey; you’ve learned a lot of new things. The Erlang view of the world is very different from other programming languages. The biggest differences are in how we handle errors and in how we deal with concurrency.
Concurrency is natural in Erlang. The real world actually has independent things communicating through messages. I’m an ex-physicist—we perceive the world by receiving messages. Packets of light and sound carry information. All that we know about the world is what we’ve learned by receiving messages.
We don’t have shared memory. I have my memory, you have yours, and I don’t know what you think about anything. If I want to know what you think ...
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