October 2018
Beginner
180 pages
4h 48m
English
Content preview from Rust Quick Start Guide
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Lending
There's one more way we can send information to a different scope and that is by lending. When we move a data value, the receiving scope becomes the value's new owner. When we copy a data value, the receiving scope owns the duplicate it received, and the sending scope retains ownership of the original. When we lend a data value, things can get more complicated, because the original scope retains ownership, but the receiving scope is still allowed to access the data.
The original scope still owns the data, which means that, when that scope ends, the data will go away. If some of the scope's contained data was still loaned to a different scope at that time, the program would likely crash and, since the Rust compiler hates potential ...
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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.