June 2021
Beginner
344 pages
8h 9m
English
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Categorizing with Enumerations
The bouncer would like even more functionality. They’d like to know how to treat different visitors and if they can drink alcohol. The final set of improvements to the visitor list are:
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Store an action associated with a visitor: admit them, admit them with a note, refuse entry, or mark them as probationary treehouse members.
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Store the visitor’s age, and forbid them from drinking if they’re under 21.
Enumerations
Rust lets you define a type that can only be equal to one of a set of predefined values. These are known as enumerations, and are declared with the enum keyword. You are going to define an enumeration listing each of the four actions associated with a visitor. Rust enumerations are very powerful, and can ...
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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.