January 2024
Intermediate to advanced
718 pages
20h 15m
English
Content preview from Programming Ruby 3.3Become 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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Typed Ruby
RBS has its own syntax for defining Ruby types. The definitive source for the syntax reference is found at https://github.com/ruby/rbs/blob/master/docs/syntax.md. We’ll go over the structure here.
RBS Declarations and File Structure
RBS syntax has a few main parts (we’re adopting the naming convention from the official syntax file):
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Declarations are class, module, and interface structures that can be used as types in other parts of the file.
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Members are things that are inside declarations that might have type information, including instance variables, attributes, and methods.
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Types are the things that RBS uses to specify actual type information, including class names, union of class names, or literal types, as well as a few RBS-specific ...
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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.