Errors in main

fn main() -> Result<(), CantRide> {
    let family = [
        Person { name: "Alice".to_owned(), age: 30, height: 160 },
        Person { name: "Bob".to_owned(), age: 35, height: 170 },
        Person { name: "Charlie".to_owned(), age: 8, height: 100 },
        Person { name: "David".to_owned(), age: 12, height: 75 },
    ];
    println!("The price is {}", price_people(&family)?);
    Ok(())
}
struct Person {
    name: String,
    age: u32,    // in years
    height: u32, // in centimeters
}
impl Person {
    // Price to ride the roller coaster
    fn price(&self) -> Result<u32, CantRide> {
        if self.age < 10 {
            return Err(CantRide::TooYoung(self.name.clone()));
        }
        if self.height < 80 {
            return Err(CantRide::TooShort(self.name.clone()));
        }
        Ok(if self.age < 18 {
            5
        } else if self.age < 66 {
            8
        } else {
            7
        })
    }
}
fn price_people(people: &[Person]) -> Result<u32, CantRide> {
    let mut price = 0;
    for person in people {
        price += person.price()?;
    }
    Ok(price)
}
#[derive(Debug)] // for the output later
enum CantRide {
    TooShort(String),
    TooYoung(String),
}