March 2018
Intermediate to advanced
272 pages
7h 4m
English
Content preview from Rust High Performance
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Borrowing degradations
Iterations are not the only place where translation degradations occur. There are also a couple of extra points where you can sometimes see that the same code performs much worse in Rust than in C/C++. One of these points is reference handling. Due to borrow checker constraints, you can do three things with variables when passing them to a function: send a reference (borrow), give the new function control of the variable (own), or copy/clone the variable to send it to a function. It seems easy to decide, right? If you do not require the variable anymore, let the function own your variable. If you require it, send the reference, and if you require it and the API only accepts ownership, clone it.
Well, it actually isn'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.