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

Takeaway Skills

Use of const with variables

Effect of const on functions and return types

Const with parameters

Relation between const and smart pointers

Use of const with variables

Effect of const on functions and return types

Const with parameters

Relation between const and smart pointers

Course Overview

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 t... See More

How You'll Learn

Hands-on coding environments

You don’t get better at swimming by watching others. Coding is no different. Practice as you learn with live code environments inside your browser.

Faster than videos

Videos are holding you back. The average video tutorial is spoken at 150 words per minute, while you can read at 250. That‘s why our courses are text-based.

No set-up required

Start learning immediately instead of fiddling with SDKs and IDEs. It‘s all on the cloud.

Progress you can show

Built in assessments let you test your skills. Completion certificates let you show them off.

Hands-on coding environments

You don’t get better at swimming by watching others. Coding is no different. Practice as you learn with live code environments inside your browser.

Faster than videos

Videos are holding you back. The average video tutorial is spoken at 150 words per minute, while you can read at 250. That‘s why our courses are text-based.

No set-up required

Start learning immediately instead of fiddling with SDKs and IDEs. It‘s all on the cloud.

Progress you can show

Built in assessments let you test your skills. Completion certificates let you show them off.

Course Contents

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1. Introduction

A Bit about const

2. Arguments using const

Arguments Against const

const and Visual Noise

How const may Confuse Developers

Why does const matter?

Key Takeaways

Quiz

3. Local Variables

const Local Variables

Key Takeaways

Quiz

4. Local Members

const with Member Variables

Unexpected Implications

Find a Workaround

Move Semantics

Key Takeaways

Quiz

Exercise

Solution

5. Functions

const Functions

const Overloads

Key Takeaways

Quiz

Exercise

Solution

6. Return Types

const Return Types

Returning const References

Return const Pointers

int * const func() const

const int * func() const

Key Takeaways

Quiz

7. const Parameters

const Primitive Data Type

const Class Type Parameters

Ignoring the const

const Qualifier

Key Takeaways

Quiz

8. const and Smart Pointers

Smart Pointers as Pointers

Smart Pointers as Objects

Key Takeaways

Quiz

9. Rvalue References

const Rvalue References

Binding Rules

Use of const Rvalue References

Key Takeaways

Quiz

Exercise

Solution

10. Summary

Summary