April 2017
Beginner to intermediate
394 pages
9h 16m
English
Content preview from Game Development Patterns and Best Practices
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Problems with const
As we said before, const isn't magic. It doesn't make your code 100% secure and protected. Knowing and understanding the rules related with const parameters and const member function will help prevent mistakes. However, failing to understand the rules and behaviors of const can lead to bugs.
The biggest problem with const in C++ is a misunderstanding of bitwise const versus logical const. This means that the compiler will try to ensure that the bits and bytes will not change through that specific variable. This doesn't mean that those bits won't change through another variable, and it doesn't mean that the data you may care about won't change. Consider the following code:
//Example of modifying const bits through different ...
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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.