Rust for C-Programmers

9.9 Structs with References and Lifetimes

9.9.1 Defining Lifetimes

#![allow(unused)]
fn main() {
struct PersonRef<'a> {
    name: &'a str,
    age: u8,
}
}

9.9.2 Using Lifetimes in Practice

struct PersonRef<'a> {
    name: &'a str,
    age: u8,
}
fn main() {
    let name = String::from("Henry");
    let person = PersonRef {
        name: &name,
        age: 50,
    };
    println!("Name: {}, Age: {}", person.name, person.age);
}

The name variable must outlive the PersonRef instance so the reference remains valid.