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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61. Don’t define entities with linkage in a header file
Summary
Repetition causes bloat: Entities with linkage, including namespace-level variables or functions, have memory allocated for them. Defining such entities in header files results in either link-time errors or memory waste. Put all entities with linkage in implementation files.
Discussion
While starting to use C++, we all learn quite quickly that header files like
are liable to cause link-time errors complaining of duplicate symbols as soon as such a header is included by more than one source file. The reason is simple: Each source file actually defines and allocates space for fudgeFactor ...
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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.