February 2018
Intermediate to advanced
304 pages
7h 11m
English
Content preview from Programming Clojure, 3rd EditionBecome 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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Wrapping Up
In this chapter we’ve looked at how to specify the structure of both our data and our functions. You learned how to validate your data using a spec with s/valid?, as well as how to discover how it conformed with s/conform or how it failed with s/explain.
Additionally, you learned how to check for invalid calls with stest/instrument when working at the REPL or in tests, and how to automatically test a properly spec’d function using stest/check.
The spec library requires a fair amount of extra effort in the code you write, particularly if you take the extra step to ensure that the :args spec of any function generates high-quality inputs for testing. However, you also gain lots of leverage by doing so, and it’s entirely up to you how ...
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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.