Return Custom Data Types

In C++, you can return custom structures and classes from functions. When you return an instance of a struct or class from a function, you essentially return a copy of the object ( the same as returning simple data types).

This allows you to encapsulate related data and behavior within a single structure or class instance, pass it around between functions, or use it in different parts of your program.

To return a structure/class, you must use the structure/class name as a type specifier in the function signature.

main

#include <iostream>

// Define a custom structure called Person

struct Person {

std::string name;

int age;

};

// Function that returns a Person object

Person createPerson(const std::string name, const int age)

{

return Person { name, age };

}

int main() {

// Call the function to create a Person object

Person person1 = createPerson("Alice", 30);

// Access and print the attributes of the returned Person object

std::cout << "Name: " << person1.name << std::endl;

std::cout << "Age: " << person1.age << std::endl;

}


              12345678910111213141516171819202122
            
#include <iostream>

// Define a custom structure called Person
struct Person {
    std::string name;
    int age;
};

// Function that returns a Person object
Person createPerson(const std::string name, const int age)
{
    return Person { name, age };
}

int main() {
    // Call the function to create a Person object
    Person person1 = createPerson("Alice", 30);

    // Access and print the attributes of the returned Person object
    std::cout << "Name: " << person1.name << std::endl;
    std::cout << "Age: " << person1.age << std::endl;
}

Tutto è chiaro?

Grazie per i tuoi commenti!

Sezione 3. Capitolo 3

Chieda ad AI

Chieda pure quello che desidera o provi una delle domande suggerite per iniziare la nostra conversazione