#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use std::cmp;
fn main() {
    let abs_cmp = |x: &i32, y: &i32| x.abs().cmp(&y.abs());
    let result = cmp::max_by(3, -2, abs_cmp);
    assert_eq!(result, 3);
    let result = cmp::max_by(1, -2, abs_cmp);
    assert_eq!(result, - 2);
    let result = cmp::max_by(1, -1, abs_cmp);
    assert_eq!(result, - 1);
}