Unlocking the Power of Structures in C++

Effortless Function Integration

When it comes to programming in C++, structures play a vital role in organizing and manipulating data. But did you know that you can pass structure variables to functions and even return them from functions, just like any other data type? This flexibility opens up a world of possibilities for efficient and effective coding.

Passing Structures to Functions

Imagine being able to pass a structure variable to a function, allowing you to manipulate and utilize its members with ease. This is exactly what C++ enables you to do. Consider the following example:

“`cpp

include

using namespace std;

struct Person {
string name;
int age;
};

void display_data(Person &p) {
cout << “Name: ” << p.name << endl;
cout << “Age: ” << p.age << endl;
}

int main() {
Person p;
p.name = “John Doe”;
p.age = 30;
display_data(p);
return 0;
}
“`

In this program, we pass the structure variable p by reference to the display_data() function, which effortlessly displays its members.

Returning Structures from Functions

But that’s not all – you can also return a structure variable from a function. This allows you to generate and manipulate structures within a function, and then utilize the returned structure in your main program. Let’s explore an example:

“`cpp

include

using namespace std;

struct Person {
string name;
int age;
};

Person get_data() {
Person p;
cout << “Enter name: “;
cin >> p.name;
cout << “Enter age: “;
cin >> p.age;
return p;
}

void display_data(Person &p) {
cout << “Name: ” << p.name << endl;
cout << “Age: ” << p.age << endl;
}

int main() {
Person p = getdata();
displaydata(p);
return 0;
}
“`

In this program, we take user input for the structure variable within the get_data() function and return it from the function. We then pass the returned structure variable p to the display_data() function by reference, which displays the information.

By mastering the art of passing and returning structures in C++, you’ll unlock a new level of efficiency and flexibility in your programming endeavors.