Book Image

Modern C++: Efficient and Scalable Application Development

By : Richard Grimes, Marius Bancila
Book Image

Modern C++: Efficient and Scalable Application Development

By: Richard Grimes, Marius Bancila

Overview of this book

C++ is one of the most widely used programming languages. It is fast, flexible, and used to solve many programming problems. This Learning Path gives you an in-depth and hands-on experience of working with C++, using the latest recipes and understanding most recent developments. You will explore C++ programming constructs by learning about language structures, functions, and classes, which will help you identify the execution flow through code. You will also understand the importance of the C++ standard library as well as memory allocation for writing better and faster programs. Modern C++: Efficient and Scalable Application Development deals with the challenges faced with advanced C++ programming. You will work through advanced topics such as multithreading, networking, concurrency, lambda expressions, and many more recipes. By the end of this Learning Path, you will have all the skills to become a master C++ programmer. This Learning Path includes content from the following Packt products: • Beginning C++ Programming by Richard Grimes • Modern C++ Programming Cookbook by Marius Bancila • The Modern C++ Challenge by Marius Bancila
Table of Contents (24 chapters)
Title Page
About Packt
Math Problems
Language Features
Strings and Regular Expressions
Streams and Filesystems
Date and Time
Algorithms and Data Structures

Creating a library of string helpers

The string types from the standard library are a general purpose implementation that lacks many helpful methods, such as changing the case, trimming, splitting, and others that may address different developer needs. Third-party libraries that provide rich sets of string functionalities exist. However, in this recipe, we will look at implementing several simple, yet helpful, methods you may often need in practice. The purpose is rather to see how string methods and standard general algorithms can be used for manipulating strings, but also to have a reference to reusable code that can be used in your applications.

In this recipe, we will implement a small library of string utilities that will provide functions for the following:

  • Changing a string to lowercase or uppercase.
  • Reversing a string.
  • Trimming white spaces from the beginning and/or the end of the string.
  • Trimming a specific set of characters from the beginning and/or the end of the string.
  • Removing occurrences...