August 2021
Intermediate to advanced
450 pages
9h 36m
Chinese
Content preview from C++程序设计：原理与实践（基础篇）（原书第2版）Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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8.5 函数调用和返回
函数为我们提供了表示操作和计算的途径。当我们要完成某些工作，而这些工作值得我们为它起一个名字的话，我们就可以编写一个函数。C++语言为我们提供了运算符（如+和*），我们可以在表达式中用运算符从运算对象产生出新值。C++还提供了语句（如for和if），我们可以用之控制程序执行的顺序。为了组织由这些原语构成的代码，我们需要使用函数。
为了完成自身的工作，函数通常需要参数，很多函数还返回一个结果。本节关注参数如何指定和传递。
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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.