| #![warn(clippy::cmp_null)] |
| #![allow(unused_mut)] |
| |
| use std::ptr; |
| |
| fn main() { |
| let x = 0; |
| let p: *const usize = &x; |
| if p.is_null() { |
| //~^ cmp_null |
| |
| println!("This is surprising!"); |
| } |
| if p.is_null() { |
| //~^ cmp_null |
| |
| println!("This is surprising!"); |
| } |
| |
| let mut y = 0; |
| let mut m: *mut usize = &mut y; |
| if m.is_null() { |
| //~^ cmp_null |
| |
| println!("This is surprising, too!"); |
| } |
| if m.is_null() { |
| //~^ cmp_null |
| |
| println!("This is surprising, too!"); |
| } |
| |
| let _ = (x as *const ()).is_null(); |
| //~^ cmp_null |
| } |
| |
| fn issue15010() { |
| let f: *mut i32 = std::ptr::null_mut(); |
| debug_assert!(!f.is_null()); |
| //~^ cmp_null |
| } |