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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Unbound Method
UnboundMethod is a method that’s not currently attached to an instance, which means it can’t yet be called. UnboundMethod instances are created by Module methods such as instance_method and can also be created by calling unbind on a Method object.
To use an UnboundMethod, you must bind it to an object using UnboundMethod#bind(object), which returns a Method that can be called. The object must be a member of the class that the unbound method came from or a subclass of that class. You can get that class with UnboundMethod#owner. It’s pretty common to call the method immediately so the shortcut method UnboundMethod#bind_call(object, ...) is equivalent to bind(object).call(...) but with a performance improvement because it doesn’t ...
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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.