#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use std::fmt;
struct Length(i32);
impl fmt::Binary for Length {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        let val = self.0;
        fmt::Binary::fmt(&val, f)
    }
}
fn main() {
    let l = Length(107);
    assert_eq!(format!("l as binary is: {l:b}"), "l as binary is: 1101011");
    assert_eq!(
        format!("l as binary is: {l:#034b}"),
        "l as binary is: 0b00000000000000000000000001101011"
    );
}