#![allow(dead_code, deprecated, unused_variables, unused_mut)]
fn main() {
    assert!(! (3..= 5).contains(& 2));
    assert!((3..= 5).contains(& 3));
    assert!((3..= 5).contains(& 4));
    assert!((3..= 5).contains(& 5));
    assert!(! (3..= 5).contains(& 6));
    assert!((3..= 3).contains(& 3));
    assert!(! (3..= 2).contains(& 3));
    assert!((0.0..= 1.0).contains(& 1.0));
    assert!(! (0.0..= 1.0).contains(& f32::NAN));
    assert!(! (0.0..= f32::NAN).contains(& 0.0));
    assert!(! (f32::NAN..= 1.0).contains(& 1.0));
}