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Modern C++ Programming Cookbook

You're reading from   Modern C++ Programming Cookbook Master Modern C++ with comprehensive solutions for C++23 and all previous standards

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Product type Paperback
Published in Feb 2024
Publisher Packt
ISBN-13 9781835080542
Length 816 pages
Edition 3rd Edition
Languages
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Author (1):
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Marius Bancila Marius Bancila
Author Profile Icon Marius Bancila
Marius Bancila
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Toc

Table of Contents (15) Chapters Close

Preface 1. Learning Modern Core Language Features FREE CHAPTER 2. Working with Numbers and Strings 3. Exploring Functions 4. Preprocessing and Compilation 5. Standard Library Containers, Algorithms, and Iterators 6. General-Purpose Utilities 7. Working with Files and Streams 8. Leveraging Threading and Concurrency 9. Robustness and Performance 10. Implementing Patterns and Idioms 11. Exploring Testing Frameworks 12. C++ 20 Core Features 13. Other Books You May Enjoy
14. Index

Container access with non-member functions

Standard containers provide the begin() and end() member functions for retrieving iterators for the first and one-past-last elements of the container. There are actually four sets of these functions. Apart from begin()/end(), containers provide cbegin()/cend() to return constant iterators, rbegin()/rend() to return mutable reverse iterators, and crbegin()/crend() to return constant reverse iterators. In C++11/C++14, all these have non-member equivalents that work with standard containers, arrays, and any custom type that specializes them. In C++17, even more non-member functions have been added: std::data(), which returns a pointer to the block of memory containing the elements of the container; std::size(), which returns the size of a container or array; and std::empty(), which returns whether the given container is empty. These non-member functions are intended for generic code but can be used anywhere in your code. Moreover, in C++20, the...

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