October 2004
Intermediate to advanced
240 pages
6h 22m
English
book
C++ Coding Standards: 101 Rules, Guidelines, and Best Practices
by Herb Sutter, Andrei Alexandrescu
Content preview from C++ Coding Standards: 101 Rules, Guidelines, and Best Practices
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47. Define and initialize member variables in the same order
Summary
Agree with your compiler: Member variables are always initialized in the order they are declared in the class definition; the order in which you write them in the constructor initialization list is ignored. Make sure the constructor code doesn’t confusingly specify a different order.
Discussion
Consider the code below:
This code harbors a bug that’s as pernicious as it is hard to spot. Because email_ is declared before first_ and last_ in the class definition, it will be initialized first and will attempt to use the other not-yet-initialized fields. Worse, if the constructor’s ...
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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.