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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 2. Working with Numbers and Strings FREE CHAPTER 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

Formatting and printing text with std::format and std::print

The C++ language has two ways of formatting text: the printf family of functions and the I/O streams library. The printf functions are inherited from C and provide a separation of the formatting text and the arguments. The streams library provides safety and extensibility and is usually recommended over printf functions, but is, in general, slower. The C++20 standard proposes a new formatting library alternative for output formatting, which is similar in form to printf but safe and extensible and is intended to complement the existing streams library. In this recipe, we will learn how to use the new functionalities instead of the printf functions or the streams library.

Getting ready

The new formatting library is available in the header <format>. You must include this header for the following samples to work.

How to do it...

The std::format() function formats its arguments according to the provided formatting string...

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