Cover by Fred Hebert

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Chapter 19. Building Applications the OTP Way

After seeing our whole application’s supervision tree start at once with a simple function call, you might wonder why we would want to package it in any way. What could be simpler than a single function call?

The concepts behind supervision trees are a bit complex already, and I could see myself just starting all of these trees and subtrees manually with a script when the system is first set up. Then after that, I would be free to go outside and try to find clouds that look like animals for the rest of the afternoon.

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This is entirely true, yes. This is an acceptable way to do things (especially the part ...

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