December 2019
Intermediate to advanced
248 pages
5h 34m
English
Content preview from Designing Elixir Systems With OTPBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Wrap Your Core in a Boundary API
In this chapter, we left our safe bubble of the functional core and ventured out to the real world to deal with state, processes, and communication between components. Here’s how we did it.
To begin our exploration, we dove into some techniques to handle composition with inputs and outputs that were less certain. We looked at ways to transform executing errors to data. We also encountered composition using with.
Next, we built a server layer in two pieces, the QuizManager and the QuizSession. We used a GenServer to build a quiz and another to let a user take a quiz. The server layer used start_link and handle_call functions to encapsulate state and handle communication between processes. We eschewed handle_cast ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.