1 // Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution.
4 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
5 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
6 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
7 // option. This file may not be copied, modified, or distributed
8 // except according to those terms.
10 #![warn(clippy::cmp_null)]
17 let p: *const usize = &x;
19 println!("This is surprising!");
22 let mut m: *mut usize = &mut y;
23 if m == ptr::null_mut() {
24 println!("This is surprising, too!");