| #![warn(clippy::ptr_eq)] |
| #![no_std] |
| #![feature(lang_items)] |
| |
| use core::panic::PanicInfo; |
| |
| #[lang = "eh_personality"] |
| extern "C" fn eh_personality() {} |
| |
| #[panic_handler] |
| fn panic(info: &PanicInfo) -> ! { |
| loop {} |
| } |
| |
| macro_rules! mac { |
| ($a:expr, $b:expr) => { |
| $a as *const _ as usize == $b as *const _ as usize |
| }; |
| } |
| |
| macro_rules! another_mac { |
| ($a:expr, $b:expr) => { |
| $a as *const _ == $b as *const _ |
| }; |
| } |
| |
| fn main() { |
| let a = &[1, 2, 3]; |
| let b = &[1, 2, 3]; |
| |
| let _ = a as *const _ as usize == b as *const _ as usize; |
| let _ = a as *const _ == b as *const _; |
| let _ = a.as_ptr() == b as *const _; |
| let _ = a.as_ptr() == b.as_ptr(); |
| |
| // Do not lint |
| |
| let _ = mac!(a, b); |
| let _ = another_mac!(a, b); |
| |
| let a = &mut [1, 2, 3]; |
| let b = &mut [1, 2, 3]; |
| |
| let _ = a.as_mut_ptr() == b as *mut [i32] as *mut _; |
| let _ = a.as_mut_ptr() == b.as_mut_ptr(); |
| |
| let _ = a == b; |
| let _ = core::ptr::eq(a, b); |
| } |