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Secure Coding Practices in C++: A Deep Dive into const

Gain insights into the C++ keyword 'const,' its usage in various contexts, and implications when returning pointers and references. Learn about preventing accidental data changes.

5.0

49 Lessons

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LEARNING OBJECTIVES

Use of const with variables
Effect of const on functions and return types
Const with parameters
Relation between const and smart pointers

Learning Roadmap

49 Lessons8 Quizzes

Introduction

Get familiar with using the const keyword in C++ to improve code quality and performance.

A Bit about const

Arguments using const

Get started with using const in arguments to enhance clarity, performance, and code robustness.

Arguments Against const

const and Visual Noise

How const may Confuse Developers

Why does const matter?

Key Takeaways

Quiz

Local Variables

3 Lessons

Work your way through const local variables to enhance immutability and code clarity.

Local Members

8 Lessons

Break down complex ideas about using `const` with member variables in C++ classes.

Functions

6 Lessons

Take a closer look at const functions, overloads, key takeaways, and practical exercises for secure coding in C++.

Return Types

7 Lessons

Follow the process of managing const return types to avoid performance and safety issues.

const Parameters

6 Lessons

Maximize code clarity and safety with const in function parameters, avoiding unintentional modifications in C++.

const and Smart Pointers

4 Lessons

Get familiar with using `const` with smart pointers to enhance C++ coding practices.

Rvalue References

7 Lessons

Discover the logic behind const rvalue references, key binding rules, and their practical usages.

10.

Summary

Break apart the best practices for using `const` in C++ for safe, optimized code.

Summary

Certificate of Completion

Showcase your accomplishment by sharing your certificate of completion.

Developed by MAANG Engineers

ABOUT THIS COURSE

In this course, you will learn about the C++ keyword const and its behaviour under different usage conditions, including local, global and static contexts. This course will help you to understand const and its implications when you attempt to return pointers and references in C++. By the end of the course, you will have a solid grip on const and its usage in preventing any accidental change of data.

ABOUT THE AUTHOR

Sandor Dargo

Principal engineer. Author. Speaker. Happy father.

Learn more about Sandor

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