#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use std::num::NonZero;
fn main() {
    test().unwrap();
}
fn test() -> Option<()> {
    let pos_five = NonZero::new(5i8)?;
    let neg_five = NonZero::new(-5i8)?;
    let min = NonZero::new(i8::MIN)?;
    let min_plus_one = NonZero::new(i8::MIN + 1)?;
    let max = NonZero::new(i8::MAX)?;
    assert_eq!(pos_five.saturating_neg(), neg_five);
    assert_eq!(min.saturating_neg(), max);
    assert_eq!(max.saturating_neg(), min_plus_one);
    Some(())
}