//use std::fmt::Debug;
//use std::io;

fn main() {
    /*println!("Hello, world!");
    println!("{} of {:b} people know binary, the other half doesn't", 1, 2);
    println!("{number:>width$}", number=1, width=6);
    println!("My name is {0}, {1} {0}", " Bond","james");*/

    #[derive(Debug)]
    struct Structure(i32);
    // However, custom types such as this structure require more complicated
    // handling. This will not work.
    println!("{:?}",  Structure(3));

    let formatted_number = format!("{:.*}",2,1.234567);
    assert_eq!("1.23", formatted_number);
    println!("{}",formatted_number);

    let pi = 3.141592;
    let formatted_pi = format!("{:.*}",3, pi);
    println!("Pi is roughly {}", formatted_pi);

    println!("{}", format!("{:.*}",3, 3.141592));






}