to_from_strings.rs

use std::fmt;

#[derive(Debug)]
struct Circle {
    radius: i32
}

impl fmt::Display for Circle {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "Circle of radius {}", self.radius)
    }
}

pub fn play() {
    let circle = Circle { radius: 6 };
    println!("{}", circle.to_string());

    let parsed: i32 = "5".parse().unwrap();
    let turbo_parsed = "10".parse::<i32>().unwrap();
    
    let sum = parsed + turbo_parsed;
    println!("Sum: {:?}", sum);
}