What is pass by reference in C++?
An example of an AI chatbot conversation about pass by reference in C++ programming.
Can you explain what pass by reference means in C++?
Sure! Pass by reference in C++ means passing the address of a variable to a function, allowing the function to modify the original variable.
How is it different from pass by value?
In pass by value, a copy of the variable is passed to the function, so changes made inside the function do not affect the original variable.
Can you give me an example of pass by reference?
Certainly! Here's a simple example:
void increment(int &num) {
num++;
}
int main() {
int value = 5;
increment(value);
// value is now 6
}
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