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Template Metaprogramming with C++

You're reading from   Template Metaprogramming with C++ Learn everything about C++ templates and unlock the power of template metaprogramming

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Product type Paperback
Published in Aug 2022
Publisher Packt
ISBN-13 9781803243450
Length 480 pages
Edition 1st 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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Table of Contents (16) Chapters Close

Preface 1. Part 1: Core Template Concepts
2. Chapter 1: An Introduction to Templates FREE CHAPTER 3. Chapter 2: Template Fundamentals 4. Chapter 3: Variadic Templates 5. Part 2: Advanced Template Features
6. Chapter 4: Advanced Template Concepts 7. Chapter 5: Type Traits and Conditional Compilation 8. Chapter 6: Concepts and Constraints 9. Part 3: Applied Templates
10. Chapter 7: Patterns and Idioms 11. Chapter 8: Ranges and Algorithms 12. Chapter 9: The Ranges Library 13. Assignment Answers 14. Other Books You May Enjoy Appendix: Closing Notes

Writing a custom general-purpose algorithm

In the first section of this chapter, we saw why abstracting access to container elements with iterators is key for building general-purpose algorithms. However, it should be useful for you to practice writing such an algorithm because it can help you better understand the use of iterators. Therefore, in this section, we will write a general-purpose algorithm.

The standard library features many such algorithms. One that is missing is a zipping algorithm. What zipping means is actually interpreted or understood differently by different people. For some, zipping means taking two or more input ranges and creating a new range with the elements from the input ranges intercalated. This is exemplified in the following diagram:

Figure 8.4

For others, zipping means taking two or more input ranges and creating a new range, with elements being tuples formed from the elements of the input ranges. This is shown in the next diagram...

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