#[derive(Debug)]
struct Person {
    name: &'static str,
    age: u8,
}

fn foo() {
    let mut name = String::new();
    for _ in 0..100000000 {
        name.push('0');
    }
    let name_str = name.as_str();
    let p = Person {
        name: name_str,
        age: 30,
    };
    println!("{}", p.age);
}

fn main() {
    foo();
    loop {}
}