rust-oop-example.rs

// Define a struct called Person
struct Person {
    name: String,
    age: u8,
}

impl Person {
    // Method to create a new person
    fn new(name: &str, age: u8) -> Person {
        Person {
            name: name.to_string(),
            age,
        }
    }

    // Method to modify the age of a person
    fn grow_up(&mut self) {
        self.age += 1;
    }

    // Method to print out information about a person
    fn describe(&self) {
        println!("Name: {}, Age: {}", self.name, self.age);
    }
}

fn main() {
    // Create a new person
    let mut john = Person::new("John", 30);

    // Print out the initial state of John
    john.describe();

    // Make John grow up
    john.grow_up();

    // Print out the updated state of John
    john.describe();
}