#![allow(dead_code, deprecated, unused_variables, unused_mut)]
#![feature(cmp_minmax)]
use std::cmp;
fn main() {
    let abs_cmp = |x: &i32, y: &i32| x.abs().cmp(&y.abs());
    assert_eq!(cmp::minmax_by(- 2, 1, abs_cmp), [1, - 2]);
    assert_eq!(cmp::minmax_by(- 1, 2, abs_cmp), [- 1, 2]);
    assert_eq!(cmp::minmax_by(- 2, 2, abs_cmp), [- 2, 2]);
    let [min, max] = cmp::minmax_by(-42, 17, abs_cmp);
    assert_eq!(min, 17);
    assert_eq!(max, - 42);
}