December 2023
Intermediate to advanced
400 pages
11h 31m
English
Content preview from Programming with Rust
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11
Functions
A function is a named block of source code that typically performs a specific task. The task provides the source code within the function cohesion. The return value is the result of the task. In addition, functions can cause side effects, such as setting an out parameter, writing to a file, or inserting data into a network stream.
With functions, you can decompose an application into reusable software components, instead of a single interminable block of source code. A modular approach to programming makes an application more readable and maintainable.
The function name should convey the purpose of the function. For example, a function named factorial would execute the factorial algorithm and then return the result directly or indirectly ...
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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.