June 2021
Beginner
344 pages
8h 9m
English
Content preview from Hands-on Rust
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Moving Input to a Function
You’re frequently going to be asking the user for their name in this chapter. Whenever you have commonly used code, it’s a good idea to move it into a function. This has two advantages: you don’t keep typing the same code, and a single call to what_is_your_name() is less disruptive of the overall flow of your function, which lets you concentrate on the important parts. This is a form of abstraction: you replace detailed code with a function call and move the detail into a function.
When Should I Use a Function? | |
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Try to use a function when you are typing the same code repeatedly. This is called the DRY principle: Do ... |
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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.
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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.