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Mastering the C++17 STL

You're reading from   Mastering the C++17 STL Make full use of the standard library components in C++17

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Product type Paperback
Published in Sep 2017
Publisher Packt
ISBN-13 9781787126824
Length 384 pages
Edition 1st Edition
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Arthur O'Dwyer Arthur O'Dwyer
Author Profile Icon Arthur O'Dwyer
Arthur O'Dwyer
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Table of Contents (13) Chapters Close

Preface 1. Classical Polymorphism and Generic Programming 2. Iterators and Ranges FREE CHAPTER 3. The Iterator-Pair Algorithms 4. The Container Zoo 5. Vocabulary Types 6. Smart Pointers 7. Concurrency 8. Allocators 9. Iostreams 10. Regular Expressions 11. Random Numbers 12. Filesystem

The Container Zoo

In the previous two chapters, we introduced the ideas of iterators and ranges (Chapter 2, Iterators and Ranges) and the vast library of standard generic algorithms that operate on ranges of data elements defined by pairs of those iterators (Chapter 3, The Iterator-Pair Algorithms). In this chapter, we'll look at where those data elements themselves are allocated and stored. That is, now that we know all about how to iterate, the question gains urgency: what is it that we are iterating over?

In the Standard Template Library, the answer to that question is generally: We are iterating over some sub-range of the elements contained in a container. A container is simply a C++ class (or class template) which, by its nature, contains (or owns) a homogeneous range of data elements, and exposes that range for iteration by generic algorithms.

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