#![allow(dead_code, deprecated, unused_variables, unused_mut)]
#![feature(range_bounds_is_empty)]
use std::ops::Bound::*;
use std::ops::RangeBounds;
fn main() {
    assert!(! (Excluded(1), Excluded(3)).is_empty());
    assert!(! (Excluded(1), Excluded(2)).is_empty());
    assert!((Excluded(1), Excluded(1)).is_empty());
    assert!((Excluded(2), Excluded(1)).is_empty());
    assert!((Excluded(3), Excluded(1)).is_empty());
}