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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25. Take parameters appropriately by value, (smart) pointer, or reference
Summary
Parameterize well: Distinguish among input, output, and input/output parameters, and between value and reference parameters. Take them appropriately.
Discussion
Choosing well among values, references, and pointers for parameters is good habit that maximizes both safety and efficiency.
Although efficiency should not be our primary up-front concern (see Item 8), neither should we write needlessly inefficient code when all other things, including clarity, are equal (see Item 9).
Prefer to follow these guidelines for choosing how to take parameters. For input-only parameters:
• Always const-qualify all pointers or references to input-only parameters.
• Prefer taking ...
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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.