Designing Elixir Systems With OTP – Part One

These are my notes as I am working my way through this book from PragProg. I am reading a beta version of the book so things may change. I’ll be posting this to my github repo: (https://github.com/chriseyre2000/designing_elixir)

The introduction starts by building a simple counter application as the domain and wraps it in a send/receive process with an API.

The code samples here are clean and clearly ordered. The only note that I have found so far is that I needed to delete the autogenerated Count.ex file to avoid a warning.

Takeaway from the intro: Supervisors are about lifecycles.

Takeaway from type introductions: Send the functions to the data!

Chapter 3 typo: response.ex is misspelt (reported).

excoveralls looks to be a better code coverage tool.

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