#![allow(dead_code, deprecated, unused_variables, unused_mut)]
fn main() {
    assert!((..= 5).contains(&- 1_000_000_000));
    assert!((..= 5).contains(& 5));
    assert!(! (..= 5).contains(& 6));
    assert!((..= 1.0).contains(& 1.0));
    assert!(! (..= 1.0).contains(& f32::NAN));
    assert!(! (..= f32::NAN).contains(& 0.5));
}