#![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..3).contains(& 3));
    assert!(! (3..2).contains(& 3));
    assert!((0.0..1.0).contains(& 0.5));
    assert!(! (0.0..1.0).contains(& f32::NAN));
    assert!(! (0.0..f32::NAN).contains(& 0.5));
    assert!(! (f32::NAN..1.0).contains(& 0.5));
}