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Iterators and Ranges

In the previous chapter, we implemented several generic algorithms that operated on containers, but in an inefficient manner. In this chapter, you'll learn:

How and why C++ generalizes the idea of pointers to create the iterator concept
The importance of ranges in C++, and the standard way to express a half-open range as a pair of iterators
How to write your own rock-solid, const-correct iterator types
How to write generic algorithms that operate on iterator pairs
The standard iterator hierarchy and its algorithmic importance

Key benefits

Boost your productivity as a C++ developer with the latest features of C++17

Develop high-quality, fast, and portable applications with the varied features of the STL

Migrate from older versions (C++11, C++14) to C++17

Description

Modern C++ has come a long way since 2011. The latest update, C++17, has just been ratified and several implementations are on the way. This book is your guide to the C++ standard library, including the very latest C++17 features. The book starts by exploring the C++ Standard Template Library in depth. You will learn the key differences between classical polymorphism and generic programming, the foundation of the STL. You will also learn how to use the various algorithms and containers in the STL to suit your programming needs. The next module delves into the tools of modern C++. Here you will learn about algebraic types such as std::optional, vocabulary types such as std::function, smart pointers, and synchronization primitives such as std::atomic and std::mutex. In the final module, you will learn about C++'s support for regular expressions and file I/O. By the end of the book you will be proficient in using the C++17 standard library to implement real programs, and you'll have gained a solid understanding of the library's own internals.

What you will learn

- Make your own iterator types, allocators, and thread pools.

- Master every standard container and every standard algorithm.

- Improve your code by replacing new/delete with smart pointers.

- Understand the difference between monomorphic algorithms, polymorphic algorithms, and generic algorithms.

- Learn the meaning and applications of vocabulary type, product type and sum type.

What do you get with Print?

Instant access to your digital eBook copy whilst your Print order is Shipped

Paperback book shipped to your preferred address

Download this book in EPUB and PDF formats

Access this title in our online reader with advanced features

DRM FREE - Read whenever, wherever and however you want

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AlGrenadine May 23, 2021

If like me you need your c++ knowledge to be boosted from c++11 to c++17 this book is perfect.Quite clear and exhaustive, i'll definitely recommend it to my coworkers

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user65486731 Apr 27, 2019

This is a great book! I really enjoyed reading it, I was even a bit sad when I finished the last chapter. The writing is clear, concise and even entertaining. When appropriate, explanations are accompanied by example implementations, which I found to be very instructive. The amount of information is limited in a useful way, it doesn't discourage you to dive into a chapter, neither is it too superficial. Code snippets and explanation are well equilibrated.I obviously won't remember all the details, but the concepts and ideas behind the library facilities should stick. Also, remembering how certain problem statements might be solved with the STL building blocks and where to dive back into a particular topic is quite a valuable outcome. I wouldn't want to digest what specific things I learned from the book. The real question is whether it was enjoyable, thought-provoking and comprehensive with regard to the reasoning about code. And that's exactly the case.

Guneet Lamba May 03, 2021

Easy to understand, in depth topics

Yesudeep Mangalapilly Jul 03, 2022

Steal this book if you see one around! It is chock full of great explanation, excellent code, and very well thought-out practices. The C++ STL was a mystery to me, and I think Mr. Arthur O'Dwyer has cleared a lot of cobwebs a budding C++ programmer may have in their understanding of C++! Give copies to your colleagues!

Jon Kalb Oct 29, 2017

There are two things that we want in a technical book. One is for it to be understandable. We want to learn and we need a book that can teach. Arthur's style is conversational and very approachable and this book builds from simple concepts to cover complicated issues, by taking us step by step. You can see this yourself by reading a few sample pages and looking at the table of contents.The other thing we need from a technical book is authority. It doesn't help us to read a book that does us a good job of teaching us the wrong information or gives questionable advise on how to write code. This is a real problem for anyone that wants to learn because, how can you know that the author is an authority on material we've not learned yet. If we already knew the truth, we wouldn't be shopping for a book.Many tech books are written by experts, who know their material very well, but many are written by individuals that know how to sound like experts by writing with confidence about things they don't completely understand. You can't tell them apart unless you are already a expert in the area of the book that you are looking for.This is where reviews like this can help. I make my living teach people how to write modern C++ and recruiting people to speak at C++ conferences like C++Now and CppCon. It is my job to be able to spot people that are real experts in C++ and have the ability to explain it well. I'm happy to endorse Arthur as having the knowledge we expect of experts and the ability to explain that we hope to find in the best teachers.This book is just out, so I'm only a quarter of the way through it, but it is clear that Arthur have found the right voice and level of detail to cover the latest iteration of the STL without getting bogged down in minutia. This book will be essential for those learning to use the STL for the first time and also valuable to old-timers that appreciate a refresher that includes an update to the latest standard.

Mastering the C++17 STL: Make full use of the standard library components in C++17

What do you get with Print?

Mastering the C++17 STL

Iterators and Ranges

The problem with integer indices

On beyond pointers

Const iterators

A pair of iterators defines a range

Iterator categories

Input and output iterators

Putting it all together

The deprecated std::iterator

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Mastering the C++17 STL: Make full use of the standard library components in C++17

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