September 2017
Intermediate to advanced
822 pages
26h 51m
English
book
C++ Templates: The Complete Guide, 2nd Edition
by David Vandevoorde, Nicolai M. Josuttis, Douglas Gregor
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Appendix C
Overload Resolution
Overload resolution is the process that selects the function to call for a given call expression. Consider the following simple example:
void display_num(int); // #1 void display_num(double); // #2 int main() { display_num(399); // #1 matches better than #2 display_num(3.99); // #2 matches better than #1 }
In this example, the function name display_num() is said to be overloaded. When this name is used in a call, a C++ compiler must therefore distinguish between the various candidates using additional information; mostly, this information is the types of the call arguments. In our example, it makes intuitive sense to call the int version when the function is called with ...
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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.