October 2018
Beginner
180 pages
4h 48m
English
Content preview from Rust Quick Start Guide
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Block expressions
Sometimes, the necessary steps to figure out an expression's result value just don't fit into a single expression of the sorts we've looked at before. Maybe they need to store a data value for a little while in order to execute efficiently, or are otherwise too complex to be reasonably written in the 1 + ((2 * 57) / 13) style.
That's where block expressions come in. Block expressions look a lot like the body of a function because the body of a function is a block expression. They start with { and end with }. Between those two markers, we can write whatever instructions we need, including doing things like defining variables or other named items.
At the very end of the block should come the expression that produces the final ...
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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.