struct Student{
    name: String,
    age: i64,
    birth: String,
    score: f64
}

trait make_student{
    fn get_name(&self) -> &str;

    fn print(&self){
        println!("{0} is my name, Oh yeah", &self.get_name());
    }
}

impl make_student for Student{
    fn get_name(&self) -> &str {
        return &self.name;
    }
    
}

fn main(){
    let s = Student{
        name: String::from("Van"),
        age: 19,
        birth: String::from("2025-09-30"),
        score: 99.99
    };
    s.print();
}