Search⌘ K

Pass by Reference in Functions

Explore how pass by reference works in C++ functions, allowing you to modify original variables by passing their memory addresses. Learn the syntax, see example code, and understand how changes inside functions affect variables in the main program.

Introduction

Suppose you have sent an email to your friend with a link to a file present on Google Drive. Your friend made some changes to the document. Since you and your friend are sharing the same file, you will both see the changes made by either of you in the document.


In pass by reference, when we call a function, we pass the address of the actual parameters to the formal parameters in the function. ...