#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use std::ops::Bound::*;
use std::ops::RangeBounds;
fn main() {
    assert_eq!((..100).start_bound(), Unbounded);
    assert_eq!((1..12).start_bound(), Included(& 1));
    assert_eq!((1..12).end_bound(), Excluded(& 12));
}