January 2019
Intermediate to advanced
246 pages
5h 23m
English
Content preview from Programming CrystalBecome 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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Batteries Included
Crystal comes with a lot of tooling baked in to help you get started quickly on projects. Because the compiler is smart enough to catch many errors, Crystal has effectively already written many of the input tests you’d need to write when coding in dynamic languages. Nevertheless, the Crystal standard library contains a Spec module supporting unit testing and Behavior-Driven Development. It even has the look and feel of RSpec, the well-known BDD framework in Ruby.
Here’s an overview of what’s included:
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Project creation tools with ready-made code templates and spec testing.
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Dependency management, which offers easy automated inclusion of external packages (called shards: a pun on Crystal and shared library).
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A code formatter ...
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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.