Search icon CANCEL
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Boost C++ Application Development  Cookbook

You're reading from   Boost C++ Application Development Cookbook Recipes to simplify your application development

Arrow left icon
Product type Paperback
Published in Aug 2017
Publisher Packt
ISBN-13 9781787282247
Length 438 pages
Edition 2nd Edition
Languages
Tools
Arrow right icon
Author (1):
Arrow left icon
Anton Polukhin Alekseevic Anton Polukhin Alekseevic
Author Profile Icon Anton Polukhin Alekseevic
Anton Polukhin Alekseevic
Arrow right icon
View More author details
Toc

Table of Contents (13) Chapters Close

Preface 1. Starting to Write Your Application FREE CHAPTER 2. Managing Resources 3. Converting and Casting 4. Compile-Time Tricks 5. Multithreading 6. Manipulating Tasks 7. Manipulating Strings 8. Metaprogramming 9. Containers 10. Gathering Platform and Compiler Information 11. Working with the System 12. Scratching the Tip of the Iceberg

Using an unordered set and map

In the previous recipe, we saw how string comparison can be optimized using hashing. After reading it, the following question may arise: can we make a container that will cache hashed values to use faster comparison?

The answer is yes, and we can do much more. We may achieve almost constant search, insertion, and removal times for elements.

Getting ready

Basic knowledge about C++ and STL containers are required. Reading the previous recipe will also help.

How to do it...

This will be the simplest of all recipes:

  1. All you need to do is just...
lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at €18.99/month. Cancel anytime