AstonJ
by Benjamin Tan Wei Hao
The Little Elixir & OTP Guidebook gets you started programming applications with Elixir and OTP. You begin with a quick overview of the Elixir language syntax, along with just enough functional programming to use it effectively. Then, you’ll dive straight into OTP and learn how it helps you build scalable, fault-tolerant and distributed applications through several fun examples.
About the technology
Elixir is an elegant programming language that combines the expressiveness of Ruby with the concurrency and fault-tolerance of Erlang. It makes full use of Erlang?s BEAM VM and OTP library, so you get two decades? worth of maturity and reliability right out of the gate. Elixir?s support for functional programming makes it perfect for modern event-driven applications.
About the book
The Little Elixir & OTP Guidebook gets you started writing applications with Elixir and OTP. You?ll begin with the immediately comfortable Elixir language syntax, along with just enough functional programming to use it effectively. Then, you?ll dive straight into several lighthearted examples that teach you to take advantage of the incredible functionality built into the OTP library.
What’s inside
- Covers Elixir 1.2 and 1.3
- Introduction to functional concurrency with actors
- Experience the awesome power of Erlang and OTP
- About the reader
- Written for readers comfortable with a standard programming language like Ruby, Java, or Python. FP experience is helpful but not required.
About the author
Benjamin Tan Wei Hao is a software engineer at Pivotal Labs, Singapore. He is also an author, a speaker, and an early adopter of Elixir.
Don’t forget you can get 35% off the ebook using the code ‘devtalk.com’ 
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drwolfe
Does anyone know if this book is still relevant for the current versions of Elixir? I have realised that the author has not updated his code base in about 2 years.
I have been burnt with Elm… bought a 0.18 book and its incompatible with 0.19 :(.
AstonJ
Can you believe I bought this book back when it was in beta and I still haven’t got around to reading it!
@bentanweihao is a member here so am pinging him as he’d be the best person to answer your query for you
erikmiller
One of the first books I read and it’s still very relevant. Otp hasn’t changed much, there are new mechanisms on top of it, but the fundamentals are all still there.
bentanweihao
Ohai @drwolfe! Said author here. :D.
I don’t think there are going to be major changes in the code, primarily because I didn’t use anything particularly fancy. So in other words, but Elixir code is pretty basic and I don’t think there should be much changes.
I placed quite a bit of focus on how OTP works under the hood rather than “check out this cool syntactical feature!” (except pattern matching because pattern matching is cool).
Hope this makes sense.
bentanweihao
I have sooooo many books that I haven’t gotten around to read yet … Life is hard.
AstonJ
I’m on a mission to read all professionally published Elixir books so I am sure I will get around to it one day Ben!
Sorry it’s taking me so long 
drwolfe
Thanks! I will be purchasing your book.
eksperimental
In my case, the code didn’t work out of the box with the latest Elixir versions if you want to avoid warnings and stick to the latest changes in Elixir. The most important change as far as I can remember is that
Supervisor.Spechas been deprecated. There were so many changes, that some of the exercises were never finished, even I tried to port them. So, you have been warned.drwolfe
Thank you.
david_ex
I ran into similar challenges as you, so I wrote blog posts about the pool supervision chapter (i.e. pooly) with code updated to Elixir 1.6 which may be of interest to you (and @drwolfe when you get there).