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.

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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.

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

## Problem statement
Fix the following code with smart pointers:

`const` rvalue reference should fail.

Make sure that the following function cannot be called with rvalue references, but it can be called with lvalues and lvalue references.

  



# Problem statement
Fix the following code with smart pointers:

`const` rvalue reference should fail.

Make sure that the following function cannot be called with rvalue references, but it can be called with lvalues and lvalue references.

  



Let's test your knowledge of smart pointers with this exercise.

Introduction

Arguments using const

Local Variables

Local Members

Functions

Return Types

const Parameters

const and Smart Pointers

Rvalue References

Summary

Exercise

Problem statement