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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Assemble Your Components
In this chapter we showed how components work together. Starting a project with abstract structs rather than immediately into persistence give us some tangible benefits. The biggest one was having a bigger functional core and a smaller boundary. Building in persistence at that point allowed us to reduce coupling between the base OTP component and the database schema. To illustrate that benefit, we have implemented persistence as a straight path dependency.
Building MasteryPersistence with path dependencies let us isolate implementations into separate projects without the additional ceremony of maintaining separate repositories. Git and Hex dependencies offer their own trade-offs, providing reduced coupling at the cost ...
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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.