#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use std::fmt;
struct Length(i32);
impl fmt::UpperHex for Length {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        let val = self.0;
        fmt::UpperHex::fmt(&val, f)
    }
}
fn main() {
    let l = Length(i32::MAX);
    assert_eq!(format!("l as hex is: {l:X}"), "l as hex is: 7FFFFFFF");
    assert_eq!(format!("l as hex is: {l:#010X}"), "l as hex is: 0x7FFFFFFF");
}